Best Parallel Dialer Chrome Extensions for HubSpot and Salesloft (2026)

By CRM Integrated Dialers Editors · August 12, 2026 · 60 sources

Ten parallel dialers document integration with both HubSpot and Salesloft in 2026: CallCloud, Trellus, Elto, CloudTalk, JustCall, PowerDialer.ai, Orum, Nooks, Apollo, and Kixie. They do not work the same way, and treating them as interchangeable Chrome extensions is the most common purchasing mistake in this category. Three distinct architectures are in play: literal Chrome overlays that embed inside your existing platform (CallCloud Original, Trellus, PowerDialer.ai, Kixie), companion extensions paired with a separate web-based parallel engine (CloudTalk, JustCall, Elto), and dedicated browser workspaces that require no extension at all (Orum, Nooks). The right answer depends on whether your team needs to stay inside HubSpot or Salesloft, or is willing to move to a dedicated calling workspace.

All ten products below document integration with both platforms. The meaningful question is how deep that integration goes, because a logo on an integrations page is not the same as two-way field synchronization. Three names that appear on generic parallel dialer lists were removed from consideration: Aircall's power dialer places calls sequentially, not simultaneously; Amplemarket explicitly says it does not offer parallel dialing; and PhoneBurner's reviewed material does not establish multi-line simultaneous calling.

Sixteen candidates were assessed. Six were removed before the final ranking: Salesfinity (no verified Chrome extension), Koncert (Salesloft integration depth unresolved), FlashRev (no verified extension, pricing evidence outdated), Klenty (insufficient direct Salesloft evidence), Symbo (HubSpot documented, Salesloft not), and 2xConnect (no adequate provider proof for Chrome plus both integrations).

1. 01Simultaneous outbound calls. The product must launch multiple attempts at once and bridge the rep to the first human answer. Sequential auto-dialers that move one record at a time were disqualified regardless of other features.
2. 02Chrome or browser delivery. We separated three architecture classes rather than treating them as equivalent. A literal overlay preserves the rep's existing HubSpot or Salesloft screen. A companion extension paired with a web dialer requires some context switching. A browser workspace centralizes detection and analytics but has no extension at all.
3. 03Documented HubSpot integration depth. Logo presence on a marketplace page was not sufficient. We required evidence of list or task import, call-result write-back, and ideally field-level synchronization.
4. 04Documented Salesloft integration depth. The same standard applied. Browser-level phone-number detection was flagged as weaker than a native connector that syncs calls, notes, dispositions, and sentiments back to Salesloft records.

Rankings prioritize four-way fit in the order above, not market share or brand recognition. Pricing figures come from provider-published pages and are noted with update dates where available. Always verify against a current order form, because marketplace snapshots and provider pages sometimes conflict.

Editor's Pick · 01

CallCloud

★ 9 / 10

CallCloud splits into two distinct products that serve different purposes. CallCloud Original is a literal Chrome extension that auto-logs calls and dispositions inside HubSpot and Salesloft and lets reps control calls from any tab. CallCloud Homebase is the actual parallel dialer: a browser-based application at $125 per seat per month (month-to-month, no published enterprise minimum) with 1-, 3-, or 5-line modes, a zero-millisecond lag claim on live audio bridges, and unusually complete outcome logging that records no-answer, busy, and bad-number results separately. A buyer that installs Original and expects five-line parallel dialing will not get it.

Original price

Personal $40/seat/mo; Team $60/seat/mo (billed annually)

Homebase price

$125/seat/mo, month-to-month, no published enterprise minimum

Homebase capacity

1, 3, or 5 simultaneous lines

Outcome logging

No-answer, busy, bad-number, notes, dispositions, and sentiments all logged

Pros

• +Zero-millisecond lag claim on live audio bridge addresses the handoff delay that causes early hang-ups
• +HubSpot campaign and task-list import with native dispositions for write-back
• +Salesloft calls, notes, dispositions, and sentiments mapped automatically
• +Local calling windows, DNC enforcement, and retry cadence logic built into Homebase

Cons

• –Parallel dialing requires Homebase at $125/seat; Original ($40) does not include it
• –Homebase must be named explicitly in any proposal or test script to avoid pricing confusion

Best for: Teams that want a lightweight Chrome extension for everyday auto-logging and a separate parallel engine for high-volume sessions, with complete failed-call logging in both HubSpot and Salesloft

Visit CallCloud →

Editor's Pick · 02

Trellus

★ 8 / 10

Trellus is the clearest literal-overlay candidate: its Chrome extension embeds directly inside HubSpot, Salesloft, Outreach, and Apollo without requiring a separate application or any context switch. Up to five parallel lines run inside the platforms your reps are already in, with automated voicemail drop and spam remediation included on the Parallel plan. The main procurement risk is a pricing page that simultaneously shows $149.99 and $34.99 per month around the Parallel plan, which is a real ambiguity in the provider's own published material, not a discount calculation.

Architecture

Literal Chrome overlay (Chrome Web Store listing confirmed)

Concurrent lines

Up to 5

Parallel plan includes

Multiline calling, voicemail drop, unlimited AI practice calls, 8 numbers with spam remediation

Price

$149.99 or $34.99/mo shown on Parallel plan (conflicting figures; verify in writing)

Pros

• +Embeds inside HubSpot and Salesloft with no screen switching required
• +Five parallel lines with automated voicemail drop
• +Spam remediation and number management included on Parallel plan

Cons

• –Published pricing page shows conflicting figures; get a written price before committing
• –Pricing ambiguity is an unnecessary procurement risk on an otherwise strong product

Best for: Teams that need a true overlay dialer inside HubSpot or Salesloft and cannot afford to leave those platforms to make calls

Editor's Pick · 03

Elto

★ 8 / 10

Elto sits between the five-line overlays and the ten-line companion products: six concurrent calls at $179 per seat per month with unlimited dials and a single transparent price rather than a base-plus-add-on structure. Its Chrome extension (listed as Elto Dialer, publisher Monoid) pairs with the Elto platform, and the provider describes native two-way integration with both HubSpot and Salesloft covering dispositions, analytics, sequences, and lists. Before committing, confirm whether six-line call controls run inside the extension itself or require switching to the connected Elto application.

Architecture

Chrome extension (Elto Dialer, publisher Monoid) + Elto platform

Concurrent lines

Up to 6

Price

$179/seat/mo, unlimited dials

Integration

Native two-way: dispositions, analytics, sequences, and lists for both HubSpot and Salesloft

Pros

• +Single transparent seat price with no add-on tiers
• +Six-line capacity is above five-line overlays and below ten-line products
• +Native two-way integration documented for both HubSpot and Salesloft

Cons

• –Clarify whether multicall controls live in the extension or require switching to the connected platform
• –Higher price per seat than CloudTalk ($39) and the CallCloud extensions

Best for: Teams that want a clear per-seat price, six-line capacity, and verified native sync with both HubSpot and Salesloft without a tiered pricing negotiation

Visit Elto →

Editor's Pick · 04

CloudTalk

★ 8 / 10

CloudTalk publishes $39 per user per month for its Parallel Dialer tier (page updated July 31, 2026) with up to ten simultaneous numbers, the highest capacity alongside JustCall. Its companion Chrome extension ties to the CloudTalk Phone desktop app, and a browser web app is also available with no installation required. The 1.5-second voicemail detection time is the only measurable detection-speed claim in this set, which directly affects how quickly failed attempts cycle to the next number.

Architecture

Companion Chrome extension + CloudTalk Phone desktop app + browser web app

Concurrent lines

Up to 10

Price

$39/user/mo (parallel dialer tier, updated July 31 2026)

Voicemail detection

1.5 seconds (detection time, not an accuracy claim)

Pros

• +Lowest published parallel-tier price in this ranked set
• +Ten-line capacity tied for highest
• +1.5-second voicemail detection is the only published detection-speed figure in the group

Cons

• –Clarify whether base seat fees, telephony costs, or plan minimums add to the $39 figure
• –The Chrome extension is a companion, not a standalone parallel engine; test the full stack before signing

Best for: Teams that need maximum line count with a published price to compare against, and are comfortable testing the full companion-plus-desktop-plus-browser stack together

Editor's Pick · 05

JustCall

★ 7 / 10

JustCall has the deepest documented HubSpot data model in this set: two-way custom-field synchronization, HubSpot list import, and AI summaries written into the activity feed, with recordings, dispositions, transcripts, and call notes all writing back. The SalesPro parallel tier that activates ten-line dialing costs approximately $199 to $249 per user per month with a two-seat minimum, which is five to eight times the $29 Team entry price. Those two prices are completely unrelated; building a budget on the $29 figure is the most common evaluation error in this category.

Architecture

Click-to-call Chrome companion (publisher SaaS Labs) + web parallel engine

Concurrent lines

Up to 10

Team plan price

$29/user/mo billed annually, 2-seat minimum, 14-day trial (not the parallel tier)

SalesPro parallel price

~$199-249/user/mo (2-seat minimum)

Pros

• +Deepest documented HubSpot data model: two-way custom fields, list import, AI summaries in activity feed
• +Ten-line capacity tied for highest in this set
• +Recordings, dispositions, transcripts, and summaries all write back

Cons

• –SalesPro parallel tier costs five to eight times the Team entry price; confirm exact parallel price in writing
• –Salesloft documentation is less detailed than HubSpot docs; request a live write-back demonstration

Best for: Teams where HubSpot is the primary CRM and data fidelity matters more than price, and who need ten lines per rep

Editor's Pick · 06

PowerDialer.ai

★ 7 / 10

PowerDialer.ai is one of the clearest literal-extension architectures in this set: its Chrome Web Store listing is named PowerDialer AI Parallel Dial and Click to Call and states it calls multiple lines. Features include live transcripts, AI summaries, CRM synchronization, smart phone-number detection on webpages, Local Presence Dialing, and a dedicated Salesloft integration page. Two figures are missing before this product can be fairly compared: the parallel-tier line count and the parallel-tier price. The $45 per month figure in official material applies only to Single Line operation.

Architecture

Literal Chrome extension (PowerDialer AI: Parallel Dial and Click to Call)

Concurrent lines

Multiple (exact number not published in official reviewed material)

Single Line price

$45/mo (annual saves up to 35%, quarterly saves 25%)

Parallel tier price

Not published in reviewed material

Pros

• +One of the clearest literal-extension architectures in the set
• +Live transcripts, AI summaries, and Local Presence Dialing included
• +Dedicated Salesloft integration workflow documented by the provider

Cons

• –Parallel-tier line count not published in official material; request in writing
• –Parallel-tier price not published; do not use the $45 single-line figure as a proxy

Best for: Teams that require a literal Chrome extension with Salesloft cadence integration and can request parallel capacity and pricing directly from the provider

Visit PowerDialer.ai →

Editor's Pick · 07

Orum

★ 7 / 10

Orum operates as a browser workspace rather than a verified Chrome extension, which matters if your security policy requires a Chrome Web Store installation. Its Launch tier supports five lines and its Ascend tier ten lines. The real differentiator for revenue-operations teams is real-time webhook delivery for call events, letting engineering push call data into custom systems beyond what a standard CRM UI exposes. No public seat price is available; the reviewed material says to request pricing, with a three-seat minimum and a 500-dial trial.

Architecture

Browser workspace (no verified literal Chrome extension)

Concurrent lines

Launch: 5 / Ascend: 10

Price

Request pricing (3-seat minimum, 500-dial trial)

Technical differentiator

Real-time webhooks for call-event delivery beyond standard CRM fields

Pros

• +Only product in this set that explicitly documents real-time webhook delivery for custom automation
• +Ten-line capacity on Ascend tier
• +Names both HubSpot and Salesloft as native integrations

Cons

• –Browser workspace, not a verified literal Chrome extension
• –No public seat price and three-seat minimum limits individual or very small team use

Best for: Enterprise or scaling SDR teams that need custom revenue-operations automation via webhooks and are not constrained by a Chrome extension requirement

Editor's Pick · 08

Nooks

★ 7 / 10

Nooks runs as a browser workspace with five parallel lines, automatic call logging, and answering-machine detection that skips machine calls rather than requiring manual disposition. Custom pricing applies and no public per-seat figure is available, but the two-seat minimum is lower than Orum's three-seat floor. Both HubSpot and Salesloft appear on the current Nooks pricing page as named integrations. The workspace architecture is not equivalent to a Chrome extension if a team has an extension-only deployment requirement.

Architecture

Browser workspace (no verified literal Chrome extension)

Concurrent lines

Up to 5

Price

Custom quote (2-seat minimum)

Machine detection

Automatic skip on machine answer; no manual disposition required

Pros

• +Automatic call logging reduces manual entry burden
• +Machine calls skipped automatically rather than requiring manual disposition
• +Lower seat minimum than Orum

Cons

• –Custom pricing with no published figure makes budget comparisons unreliable until a quote is in hand
• –Browser workspace only; not a Chrome extension

Best for: Small-to-mid teams willing to adopt a dedicated browser workspace who want automatic logging with minimal manual overhead

The central decision axis in this category is the overlay-vs-workspace split. If your team needs to stay inside HubSpot or Salesloft without switching screens, you need an overlay. If your team is willing to open a dedicated dialing workspace and accepts the context switch, workspace products become viable. That split changes your shortlist before any other factor, including price.

• Need a literal Chrome overlay that stays inside HubSpot and Salesloft without switching screens: Start with CallCloud Homebase (1-3-5 lines, $125/seat/mo, zero-lag bridge, complete outcome logging) and Trellus (five lines, embedded overlay, verify pricing in writing). These two cover the overlay-first requirement better than any other option in the set.
• Maximum line count matters and you have a published price to compare: CloudTalk (ten lines, $39/user/mo, updated July 31 2026) is the clearest budget option. JustCall matches the ten-line capacity but costs $199-249 on the parallel tier and earns that with the deepest documented HubSpot data model in the set.
• Want a literal extension with a transparent seat price and six-line capacity: Elto ($179/seat/mo) is the cleanest middle option between the five-line overlays and the ten-line companion products.
• Revenue-operations team needs real-time webhook delivery for custom automation beyond standard CRM fields: Orum is the only product in this set that explicitly documents that capability. Request pricing given the three-seat minimum.
• Already using Apollo for prospecting and engagement: The built-in multicall dialer avoids adding another vendor, but verify the numeric line capacity and the HubSpot write-back path in a live session before relying on them.
• Hard Chrome extension requirement and HubSpot matters more than Salesloft: Kixie is a viable literal-extension option with a no-card trial, but treat Salesloft as browser-level compatibility only until native synchronization is demonstrated in a live session.

The overlay-vs-workspace split answers the architecture question. A second, equally important axis is what happens after a call ends. Two products in this set illustrate why this matters. CallCloud Homebase logs no-answer, busy, and bad-number outcomes as separate records, not just connected calls; this matters for reps who need to follow up differently on a no-answer versus a wrong number. JustCall writes two-way custom fields, AI summaries, recordings, and transcripts back to HubSpot activity feeds, which is materially more than most dialers that pass the integration logo test.

Detection-time claims and accuracy claims describe different things and cannot be ranked against each other. CloudTalk publishes a 1.5-second voicemail detection time, a measurable speed figure that directly affects how fast failed attempts cycle to the next number. JustCall states approximately 75% answering-machine detection accuracy. One is speed, one is correctness. Buyers should ask each vendor for both figures to make a fair comparison.

Compliance features are not cosmetic. CallCloud Homebase applies local calling windows, do-not-call list enforcement, and retry cadence logic. Trellus bundles eight numbers with spam remediation on the Parallel plan. Line capacity creates little value if carrier labeling or excessive retries suppress answer rates before a human ever picks up.

Published parallel-dialer prices in this set range from $39 per user per month (CloudTalk) to $179 per seat per month (Elto), with JustCall's parallel tier at approximately $199-249. Three products require a custom quote with no published figure: Orum, Nooks, and Kixie. Two products have internal pricing ambiguities: Trellus ($149.99 and $34.99 appear on the same plan card) and PowerDialer.ai (single-line $45 is the only published figure; the parallel tier price is not in the reviewed material).

The most dangerous comparison trap is JustCall's $29 Team plan next to its $199-249 SalesPro parallel tier. These are not the same product. A buyer who builds a budget on the $29 figure and then discovers the parallel tier during procurement has wasted the evaluation cycle. The same logic applies to CallCloud: Original at $40 per seat is a power-dialing Chrome extension with auto-logging, not Homebase at $125 per seat with five-line parallel dialing. Always confirm the exact SKU and price in a written order form before shortlisting.