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Koncert vs FrontSpin
A dialer family that goes up to five lines at once against a single-line dialer that lives next to Salesforce. The question is how many conversations an hour you need.
Reviewed by Théo Pascard, Co-founder · Updated October 2026
Quick answer
Koncert lets you choose the dialing mode: a single-line AI power dialer, or parallel dialing on up to five lines with answering-machine detection, plus cadences and local presence. FrontSpin does one mode, power dialing through prioritized lists, and ties it to email, cadences and Salesforce logging. Pick Koncert if connect volume is the bottleneck and you have the list to feed parallel lines. Pick FrontSpin if your reps work from Salesforce and one line at a time is enough. Both are quote-only.
Side by side
| Koncert | FrontSpin | |
|---|---|---|
| What it is | AI dialers from single-line power to multi-line parallel | Power dialer and sales communication hub for Salesforce teams |
| Category | Phone Dialers | Phone Dialers |
| Pricing model | Quote only | Quote only |
| Starting price | Quote only | Quote only |
| Free plan | No | No |
| Dialing modes | Single-line power, parallel on up to 5 lines | Single-line power dialing |
| Around the dialer | Cadences, local presence, answering-machine detection | Email, cadences, local presence, voicemail tools |
| CRM | CRM and sales-engagement integrations | Built around Salesforce |
| Market rating | 4.6/5 (396 reviews) | 4.3/5 (68 reviews) |
| Enjyn Score | 9.2/10 | 8.6/10 |
| Our experience | Tested | Researched |
Cost per result from our Credit Cost Comparator. Market rating is the public review average; the Enjyn Score is our own grading.
Pick Koncert if
- Reps need more live conversations per hour than one line gives
- You want to move between power and parallel dialing without changing vendor
- You want the larger public review base
Where it breaks. Koncert gives you dialer options, but choice is only useful with the volume and list quality to justify it. Parallel modes still carry the usual answer-experience and reputation trade-offs.
Full Koncert review →Pick FrontSpin if
- Salesforce is the system of record and every call has to land there
- You want calls and email cadences on one screen
- Single-line dialing fits your volume and your market
Where it breaks. FrontSpin is a smaller, Salesforce-leaning tool, so teams off Salesforce or wanting parallel dialing and a large integration catalog will feel the limits. Its review base is modest compared with the category leaders.
Full FrontSpin review →Our take. Parallel dialing is a volume tool, and it only pays when the list behind it is large and clean. Several lines on a thin or badly targeted list burn through numbers faster and carry the usual trade-offs on answer experience and number reputation. So the decision is less about the two vendors than about your call strategy. A team of SDRs dialing all day into a broad market gets more from Koncert's parallel modes. A smaller team working named accounts out of Salesforce loses nothing with FrontSpin's single line and gains simpler logging. We have tested Koncert; FrontSpin we have researched, not run. Since neither shows a price, ask both for a written quote on the same seat count before comparing features.
Frequently asked questions
Does FrontSpin have a parallel dialer?
No. FrontSpin is a power dialer: one call at a time through a prioritized list. Koncert offers parallel dialing on up to five lines.
How much do they cost?
Neither publishes prices. Koncert quotes per plan, FrontSpin per seat. Budget from a written quote.
Which is better with Salesforce?
FrontSpin is built around Salesforce and logs activity there by design. Koncert integrates with CRMs and sales-engagement tools more broadly.
Is parallel dialing worth it?
When reps spend most of the day waiting for someone to pick up, yes. When the list is small or the accounts are named, it mostly adds risk to your numbers.
Still torn between the two?
We run outbound stacks for B2B teams and pick tools by what they cost per result, not by the pitch.
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