# ZapYap vs Foxstack AI

The clearest difference is update cadence: Foxstack AI at every 2 days against ZapYap's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

ZapYap ships an update every 2 weeks, Foxstack AI every 2 days. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ZapYap | Foxstack AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 41 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Neutron Lock](https://appshunter.io/developer/1782916305) | [Meridio](https://appshunter.io/developer/1836499552) |

## 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


### Foxstack AI

[App page](https://appshunter.io/ios/app/foxstack-ai/id6760570536)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZapYap free?

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

### Is Foxstack AI free?

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

### Do ZapYap or Foxstack AI have ads?

Neither ZapYap nor Foxstack AI shows ads.

### Which is updated more often, ZapYap or Foxstack AI?

ZapYap ships an update every 2 weeks, and Foxstack AI every 2 days. Most recently, ZapYap was updated on October 10, 2026 and Foxstack AI on October 6, 2026.

---

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