Chatzoo vs Zero Chat
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Chatzoo
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Chatzoo is a chat-based AI assistant designed to make AI simple for everyday users. This beta version includes: โข AI chat with automatic model selection โข Manual model switching โข Expert modes (Writing, Research, Strategy, etc.) โข AI image generation โข Voice input (if enabled) โข Free tier and Premium subscription flow This beta is intended for testing performance, usability, and model routing. Please report any bugs, crashes, unexpected outputs, or UI issues. AI-generated responses may contain inaccuracies and are provided for informational purposes only. By using the app, you confirm that you acknowledge and accept our Privacy Policy and Terms of Use: https://www.chatzoo.ai/chatzoo-privacy https://www.chatzoo.ai/chatzoo-terms
Zero Chat
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Zero Chat puts GPT, Claude, Gemini, and other AI models in one app. An active subscription is required. Pick a model for each chat without moving between services or splitting your conversation history. Add custom instructions, turn chat tools on or off, and use the same account on supported devices. WHAT YOU CAN DO โข Chat with more than 40 AI models โข Keep one searchable conversation history โข Switch models when a task calls for a different one โข Set custom instructions for every chat โข Sync your account across supported devices A monthly auto-renewable subscription enables Zero Chat's AI features. Apple charges your Apple ID when you confirm the purchase. The subscription renews automatically unless you cancel at least 24 hours before the current period ends. Privacy Policy: https://zero-chat.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Zero Chat at every 4 days against Chatzoo's every 2 weeks. Zero Chat also leads on device support and iOS requirement (16.4 vs 26.2). On price and in-app purchases 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. Chatzoo sells 7 in-app purchases, starting at $5.99 per 7 days and Zero Chat sells 1 in-app purchase, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.
Chatzoo ships an update every 2 weeks, Zero Chat every 4 days. The most recent releases landed on October 18, 2026 and October 2, 2026 respectively.
| Parameter | Chatzoo | Zero Chat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 4 days โ better |
| Ads | โ | No |
| In-app purchases | Yes | Yes |
| Devices | โ | iPhone, iPad โ better |
| Requires iOS | 26.2 | 16.4 โ better |
| Further details โ not scored | ||
| Size | 20 MB | 72 MB |
| Age rating | 12+ | 4+ |
| Developer | Biscotte AI GmbH | Oleg Filimonov |
In-app purchases
Chatzoo
- Weekly7 Days trial$5.997 Days
- Computer Light$24.991 Month
- Computer Pro$39.991 Month
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- Yearly$99.001 Year
- Small Pack$5.99
- Medium Pack$29.99
- Large Pack$59.99
Zero Chat
- Premium14 Days trial$8.991 Month









