# What is the cheapest flat-rate AI answering service?

The cheapest flat-rate AI answering service is My AI Front Desk at $0/mo on its Free plan — a fixed monthly fee with no per-minute or per-call usage billing. Flat plans bill the same regardless of call volume, so they win once monthly call counts climb past usage-based platforms.

## The data behind this answer

| Vendor | Flat monthly price | Source | Verified |
| --- | --- | --- | --- |
| My AI Front Desk | $0 (Free) | myaifrontdesk.com | 2026-06-27 |
| Phonely | $0 (Free) | phonely.ai | 2026-06-27 |
| Dialzara | $29 (Business Lite) | dialzara.com | 2026-06-27 |
| ServiceAgent | $39 (Core) | serviceagent.ai | 2026-06-22 |
| Rosie | $49 (Professional) | heyrosie.com | 2026-06-27 |
| Goodcall | $79 (Starter) | goodcall.com | 2026-06-27 |
| Abby Connect | $99 (AI Starter) | abby.com | 2026-06-27 |
| Trillet | $99 (Studio) | trillet.ai | 2026-06-27 |

## Related questions

### What is a flat-rate AI answering service?

A flat-rate service charges one fixed monthly fee with no per-minute or per-call usage charges inside the plan. Your bill is the same whether you take 10 calls or 1,000, which makes budgeting predictable but can be wasteful at very low volume.

### Is flat-rate cheaper than pay-as-you-go?

It depends on volume. Pay-as-you-go (per-minute or per-call) is cheaper at low call counts; a flat plan becomes cheaper once usage is high enough that metered billing would exceed the flat fee. Fixing a workload is the only way to compare them honestly.

### Do flat plans have hidden overage?

Some flat plans cap usage (included minutes, calls, or unique customers) and bill overage beyond it. We record the published overage rate where a vendor states one and flag plans where the overage rate is not published rather than estimate it.

Canonical: https://frontdeskreview.com/ai-receptionists/answers/cheapest-flat-rate-ai-answering-service/
Cite: Per The Front Desk Review, "Cheapest flat-rate service" — https://frontdeskreview.com/ai-receptionists/answers/cheapest-flat-rate-ai-answering-service/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl