Guide · AI Receptionists
The cheapest AI receptionist under $50 is a question of what gets capped, not what's on the price tag
Six vendors will start you for under $50 a month — but $24.95 buys 30 calls, $29 buys 60 minutes, $39 buys roughly 133, and $49 buys 250, so the headline price is the least useful number on the page.
If your only rule is “under $50 a month and a real paid plan, not a trial,” the dataset gives you six doors. The cheapest sticker is $24.95 — shared identically by Upfirst’s and AIRA’s Starter tiers — followed by ReceptionHQ’s MessageExpress at $25, Dialzara’s Business Lite at $29, a tie at $39 between ReceptionHQ’s ReceptionistPlus 15 and ServiceAgent’s Core, and Rosie’s Professional at $49. But each of those numbers buys a completely different unit of work, and the moment you look at what’s included, the ranking scrambles.
Here is what under-$50 actually buys, by the included quota the vendor publishes:
| Vendor | Plan | Price/mo | What’s included | Overage | Effective entry rate |
|---|---|---|---|---|---|
| Upfirst | Starter | $24.95 | 30 calls | $1.50/call | ~$0.83/call |
| AIRA | Starter | $24.95 | 30 calls | $1.50/call | ~$0.83/call |
| ReceptionHQ | MessageExpress | $25 | not published (“from”) | $1.99/call | — |
| Dialzara | Business Lite | $29 | 60 minutes | $0.48/min | ~$0.48/min |
| ReceptionHQ | ReceptionistPlus 15 | $39 | 15 calls | not published | ~$2.60/call |
| ServiceAgent | Core | $39 | ~133 voice min | $0.15/min | ~$0.29/min |
| Rosie | Professional | $49 | 250 minutes | not published | ~$0.20/min |
$24.95 and $24.95 are the same plan twice
The two cheapest entries are not two options — they’re one. Upfirst and AIRA publish byte-identical Starter tiers: $24.95/mo, 30 included calls, $1.50 per call after that, and the same ~20% annual discount. The dataset flags it directly: AIRA’s pricing table appears to share a pricing engine or white-label lineage with Upfirst. Treat them as a single price point with two front doors, and pick on languages, integrations, or whichever brand you trust — not on cost, because there is no cost difference.
At 30 calls a month, that’s about $0.83 a call all-in. Cross the line into call 31 and every extra call is $1.50 — so the “cheap” plan is only cheap if your volume genuinely fits inside 30. A practice taking even two calls a day will blow through the quota by mid-month and pay Premium-tier money on a Starter plan.
Per-call versus per-minute is the real fork
The cheapest sticker ($24.95) and the cheapest unit are not the same vendor. Dialzara’s $29 buys 60 included minutes with $0.48/min overage — a per-minute model, not per-call. If your calls average three minutes, that 60 minutes is roughly 20 calls, and overage runs ~$1.44 per additional three-minute call. So Dialzara costs $4 more than Upfirst/AIRA up front and includes fewer effective calls, but its overage is gentler per minute on long calls.
ServiceAgent’s Core plan looks like the volume outlier at first glance. Its $39 unlocks 2,000 credits, and at 15 credits per voice minute (the dataset’s stated $0.01/credit math) that’s ~133 voice minutes — more than double Dialzara’s included time for $10 more — with the lowest published overage in the group at $0.15/min. The asterisk: those 2,000 credits are shared with SMS and ad features, so 133 minutes is an upper bound, not a guarantee. ServiceAgent’s 20% annual discount drops the effective monthly rate to around $31 if you prepay, undercutting Dialzara on both price and included volume.
But ServiceAgent is not the most minutes you can buy under $50. Rosie’s Professional plan sits at the top of the bracket at $49 and includes 250 minutes — about 88% more voice time than ServiceAgent’s 133 for just $10 more, and nearly four times Dialzara’s 60. On a pure per-minute basis that works out to roughly $0.20 a minute included — the lowest effective entry rate of any voice plan in this group, ServiceAgent’s $0.29 included. Rosie is a flat-billing plan with English and Spanish on every call. The catch is the unknown: Rosie does not publish an overage rate, so once you exhaust 250 minutes the marginal cost is a blank you’d have to confirm with the vendor — whereas ServiceAgent’s $0.15/min and Dialzara’s $0.48/min are known quantities. Rosie also lists a ~17% annual discount, which would pull the effective monthly rate to around $41 if you prepay.
ReceptionHQ is the one to read carefully
ReceptionHQ lists two sub-$50 plans, and both hide their quota. MessageExpress starts “from $25/mo” with a $1.99 per-call rate but no published included call count — a message-taking plan, not a full AI receptionist. ReceptionistPlus 15 is more honest at $39 for 15 included calls, which works out to roughly $2.60 a call before any overage — the most expensive per-call entry in this entire group. ReceptionHQ is a live-answering incumbent, so you’re partly paying for human handling, but on raw included volume it’s the worst value in the bracket.
How to read this
Under $50, the cheapest sticker ($24.95, Upfirst/AIRA) and the cheapest work are at opposite ends of the same shortlist — and the cheapest work is not ServiceAgent. For any volume-sensitive buyer, Rosie’s $49 for 250 minutes is the most included voice time in the bracket: ~88% more minutes than ServiceAgent’s 133 for $10 more, which prices out to roughly $0.20 a minute included versus ServiceAgent’s $0.29. ServiceAgent claws value back in two places — a known $0.15/min overage (Rosie publishes none) and a deeper 20% annual discount that drops it to about $31/mo prepaid against Rosie’s ~$41 — so if you expect to run past your included minutes, ServiceAgent’s predictable overage may still win on the margin. If you take a handful of short calls a month, the $24.95/30-call plan wins outright; the included minutes are wasted on you. ReceptionHQ’s $25 “from” price is the trap: it’s the lowest number on the page that tells you the least about what you’ll actually pay. None of these is “the cheapest” until you’ve named your own call volume — which is exactly why we list the quota next to every price.