ZapYap vs Foxstack AI
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
ZapYap
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AI Features - AI Chat with all the latest models - Private AI Chat using local models (require download) - Secure chat sessions stored locally on device - Generous free usage tier - Create todolist and notes straight from the AI prompt ------------------------------------------------------------------------------------------ Features - Zero Knowledge Architecture - Generous free account tier - Simple and convenient to use - Military grade encryption directly on your devices * best practices to further enhance your own safely online https://zapyap.com/en/security/ ------------------------------------------------------------------------------------------ Use any of the following methods to secure your account: Fingerprint Login Easy and quick access to mobile app using fingerprint (mobile app only) IP Address Verification Any new IP addresses will be required to verify through mobile or email Device ID Verification Mobile or email notification will be sent to approve new devices Mobile App 2FA Login Receive notification on mobile to approve any new logins TOTP 2FA Verification Use any 2FA TOTP apps like Google Authenticator or Authy Backup Email Set a backup email for login, in case main email account has been lost
Foxstack AI
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Foxstack lets you communicate with your AI task assistant from anywhere. Your computer runs the AI agent locally. Foxstack on your phone connects to it securely over the cloud.
Screenshots
Verdict
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.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
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.
| Parameter | ZapYap | Foxstack AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 2 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 41 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Neutron Lock | Meridio |
In-app purchases
ZapYap
No in-app purchases
Foxstack AI
No in-app purchases









