# ALT vs OneSync

The clearest difference is in-app purchases: ALT at none against OneSync's 2. ALT also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. OneSync sells 2 in-app purchases, starting at $2.99 per month. ALT asks for nothing beyond the download.

ALT ships an update weekly, OneSync every 9 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ALT | OneSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/onesync-file-share/id6753986352/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | — | Free |
| Size | 12 MB | 43 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marco Polo Moreno de Souza](https://appshunter.io/developer/1687830766) | [JUKI JUNG](https://appshunter.io/developer/1212179274) |

## What reviewers say

### ALT

[App page](https://appshunter.io/ios/app/alt-legibilidade-textual/id6449625423)

**Features:** macOS Compatibility

**In-app purchases:** none


### OneSync

[App page](https://appshunter.io/ios/app/onesync-file-share/id6753986352)

Instantly share files and text between all your devices without needing to sign up. Use QR codes for quick connections and enjoy secure, end-to-end encrypted transfers. Ideal for personal use or quick transfers to friends.

**Highlights:** Instant cross-platform file sharing, QR code for quick session joining, Secure end-to-end encryption, No sign-up required, Share text and files

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneSync Pro Monthly | $2.99 | per month |
| OneSync Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is ALT free?

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

### Is OneSync free?

OneSync is free to download, with in-app purchases available.

### Do ALT or OneSync have ads?

OneSync shows ads; ALT does not.

### Which is updated more often, ALT or OneSync?

ALT ships an update weekly, and OneSync every 9 days. Most recently, ALT was updated on October 27, 2026 and OneSync 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.*