# AI Buddy 2 vs Sync

The clearest difference is device support: Sync at 3 against AI Buddy 2's 1. Sync also leads on iOS requirement (15.0 vs 17.6). 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.

AI Buddy 2 ships an update every 2 weeks, Sync fortnightly. Both last shipped on October 28, 2026.

## The numbers

| Metric | AI Buddy 2 | Sync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 5 MB | 192 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Kong Fai Poon](https://appshunter.io/developer/1534417140) | [SYNC GLOBAL TECHNOLOGIES PTE. LTD.](https://appshunter.io/developer/6825264213) |

## What reviewers say

### AI Buddy 2

[App page](https://appshunter.io/ios/app/ai-buddy-2/id6740550029)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sync

[App page](https://appshunter.io/ios/app/sync-secure-chat-and-private-ai/id6747809379)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Buddy 2 free?

AI Buddy 2 is free to download, with no in-app purchases.

### Is Sync free?

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

### Do AI Buddy 2 or Sync have ads?

Neither AI Buddy 2 nor Sync shows ads.

### Which is updated more often, AI Buddy 2 or Sync?

AI Buddy 2 ships an update every 2 weeks, and Sync fortnightly. Most recently, AI Buddy 2 was updated on October 28, 2026 and Sync on October 28, 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.*