Best AI receptionist for iPhone (2026)

Affiliate disclosure: we earn a commission if you sign up for Rosie, Allo AI Receptionist through the links marked “affiliate link” on this page. We don’t link to other vendors; affiliate status never changes picks or order. Full disclosure.

Short answer: For iPhone calls, if your iPhone is your business line, the simplest setup is conditional forwarding: your phone rings first and the AI answers what you miss. Upfirst AI documents that best, with missed-call codes for major US carriers and an iPhone Live Voicemail warning, and is cheapest at light volume. Rosie includes native iOS and Android apps on every plan. Allo, Beside and Quo give you a separate business line in an app.

Order rule: how clearly the vendor documents using it with a cell phone (forwarding steps, mobile apps) first, then list price. Rosie and Allo are affiliate partners; affiliation does not change the order. We have not test-called these tools.

Verdict

• Pick: Upfirst AI
• Best for: owners who answer on their own cell and want the AI to pick up only the calls they miss
• Starting price (verified): Starter $24.95/mo for 30 calls, then $1.50 per call; 14-day free trial (tools.json, checked 2026-10-22)
• Source: upfirst.ai/docs/call-forwarding.md and upfirst.ai/pricing, checked 2026-10-22

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Upfirst AI is not an affiliate partner, so it has no link here.

Cost at 3-minute calls

Price table is generated from tools.json. Estimated monthly cost, cheapest plan, monthly list prices: - Upfirst AI: $24.95 at 30 calls, $69.95 at 100, $159.95 at 300. - Rosie: $49 at 30, $149 at 100, $149 at 300 (no published overage rate). - Allo: not computable; AI add-on $32/mo per agent billed yearly on top of a seat, no published call allowance. - Beside: Baseline $29 for 30 AI calls; Unlimited $99. Higher volumes not modelled. - Quo: $39 at 30 calls, $68 at 100, $145.50 at 300, including the $19 Starter phone plan.

Assumptions: every call 3 minutes; minute plans bill calls × 3; Quo adds its cheapest phone plan per tools.json notes. Script: batch6/calc.py.

Partner tools from this list, in page order:

Visit Rosie ↗(opens vendor site in new tab) (affiliate link) AFFILIATE50: 50% off your first month checked 2026-10-20 Visit Allo AI Receptionist ↗(opens vendor site in new tab) (affiliate link)

Upfirst AI

Upfirst AI's forwarding guide gives all-call and missed-call codes for US carriers (for example Cricket, Consumer Cellular, Boost and Mint), says "iPhone users: turn off Live Voicemail first. Otherwise calls can go to voicemail instead of Upfirst", and recommends a 15 to 20 second ring time for missed-call forwarding. Its FAQ says you can forward all calls, only missed ones, or only after-hours ones "in your cell phone's settings".

Source: upfirst.ai/docs/call-forwarding.md and upfirst.ai, checked 2026-10-22

Rosie

Rosie's pricing page lists "Native iOS & Android apps" and "English & Spanish on every call" under "All plans include". You keep your existing number by forwarding. Code AFFILIATE50: 50% off your first month (checked 2026-10-20).

Source: heyrosie.com/pricing and heyrosie.com/solutions/after-hours-answering-service, checked 2026-10-22

Visit Rosie ↗(opens vendor site in new tab) (affiliate link) AFFILIATE50: 50% off your first month checked 2026-10-20

Allo

Allo is a business phone system "available everywhere your team works": iOS, Android, macOS, Windows and web. The AI receptionist add-on answers "when nobody on your team can" and texts back missed calls. Allo says its pricing "is early and can still change."

Source: withallo.com and withallo.com/pricing, checked 2026-10-22

Visit Allo AI Receptionist ↗(opens vendor site in new tab) (affiliate link)

Beside

Beside gives you a business line with the AI receptionist in iOS, Android and iPad apps. You can forward or port your number, or get a new one. Its pricing page says web plans are "also offered to eligible new iPhone customers in the US"; Android and Canadian in-app subscriptions use a separate per-seat plan.

Source: beside.com and beside.com/phone/pricing, checked 2026-10-22

Quo

Quo works on iOS, Android and desktop and "uses your Internet connection - wifi or data", not your phone plan's minutes. Its Sona AI agent "answers calls 24/7" and is billed in AI credits on top of a Quo phone plan.

Source: quo.com/pricing, checked 2026-10-22

Bottom line

Keeping your cell as the business line and just want missed calls caught? Upfirst AI with missed-call forwarding. Want an app to see and manage every call on your phone? Rosie includes native iOS and Android apps on every plan. Want a separate business line on your cell? Allo for a team, Beside or Quo for a solo owner.

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Related

• Cheapest AI receptionists
• Quo vs Rosie
• Beside vs Upfirst AI