# ZapYap vs Fabius

The clearest difference is in-app purchases: ZapYap at none against Fabius's 3. Fabius's advantage is update cadence (weekly vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fabius sells 3 one-off in-app purchases. ZapYap asks for nothing beyond the download.

ZapYap ships an update every 2 weeks, Fabius weekly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ZapYap | Fabius |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 41 MB | 68 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Neutron Lock](https://appshunter.io/developer/1782916305) | [Subhi Mukbel](https://appshunter.io/developer/6806046893) |

## What reviewers say

### ZapYap

[App page](https://appshunter.io/ios/app/zapyap-ai-chat-plus-security/id6741761517)

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

**In-app purchases:** none


### Fabius

[App page](https://appshunter.io/ios/app/fabius/id6806862609)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,400 Credits | $4.99 | one-time |
| 6,200 Credits | $19.99 | one-time |
| 17,000 Credits | $49.99 | one-time |


## Frequently asked questions

### Is ZapYap free?

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

### Is Fabius free?

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

### Do ZapYap or Fabius have ads?

Neither ZapYap nor Fabius shows ads.

### Which is updated more often, ZapYap or Fabius?

ZapYap ships an update every 2 weeks, and Fabius weekly. Most recently, ZapYap was updated on October 10, 2026 and Fabius on October 8, 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.*