# fonio.ai vs AI Phone Call Assistant

The clearest difference is in-app purchases: fonio.ai at none against AI Phone Call Assistant's 2. fonio.ai also leads on iOS requirement (16.4 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AI Phone Call Assistant sells 2 in-app purchases, starting at $9.99 per month. fonio.ai asks for nothing beyond the download.

fonio.ai ships an update every 3 days, AI Phone Call Assistant every 4 days. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | fonio.ai | AI Phone Call Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fonioai/id6774538486/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free | — |
| Size | 60 MB | 11 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [fonio GmbH](https://appshunter.io/developer/6774538488) | [Alejandro Pacheco](https://appshunter.io/developer/1776997586) |

## What reviewers say

### fonio.ai

[App page](https://appshunter.io/ios/app/fonioai/id6774538486)

This app allows users to make and receive business calls using their existing Fonio phone numbers. It provides features like selecting outgoing caller ID, viewing call history, and searching contacts. An active Fonio business account and internet connection are required for use.

**Highlights:** Make and answer business calls, Select outgoing caller ID, View call history, Search and call contacts, Manage Fonio phone numbers

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### AI Phone Call Assistant

[App page](https://appshunter.io/ios/app/ai-phone-call-assistant-relay/id6799187737)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Relay Pro Monthly | $9.99 | per month |
| Relay Pro Yearly | $99.99 | per year |


## Frequently asked questions

### Is fonio.ai free?

fonio.ai is free to download, with no in-app purchases.

### Is AI Phone Call Assistant free?

AI Phone Call Assistant is free to download, with in-app purchases available.

### Do fonio.ai or AI Phone Call Assistant have ads?

Neither fonio.ai nor AI Phone Call Assistant shows ads.

### Which is updated more often, fonio.ai or AI Phone Call Assistant?

fonio.ai ships an update every 3 days, and AI Phone Call Assistant every 4 days. Most recently, fonio.ai was updated on October 7, 2026 and AI Phone Call Assistant on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*