# Oslyn Tabs vs fonio.ai

The clearest difference is device support: Oslyn Tabs at 3 against fonio.ai's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Oslyn Tabs ships an update every 5 days, fonio.ai every 3 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Oslyn Tabs | fonio.ai |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | — | Free |
| Size | 26 MB | 64 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Dominic Fung](https://appshunter.io/developer/1723051278) | [fonio GmbH](https://appshunter.io/developer/6774538488) |

## What reviewers say

### Oslyn Tabs

[App page](https://appshunter.io/ios/app/oslyn-tabs/id6475010048)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Oslyn Tabs free?

Oslyn Tabs is free to download, with no in-app purchases.

### Is fonio.ai free?

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

### Do Oslyn Tabs or fonio.ai have ads?

Neither Oslyn Tabs nor fonio.ai shows ads.

### Which is updated more often, Oslyn Tabs or fonio.ai?

Oslyn Tabs ships an update every 5 days, and fonio.ai every 3 days. Most recently, Oslyn Tabs was updated on October 27, 2026 and fonio.ai on October 24, 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.*