Chat vs Zero Chat
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Chat
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Chat with multiple AI models in the same conversation. For just $6.99/month you have access to multiple different AI models, including the most premium models currently available. Chat-O also has best in class: - Conversational image editing - Code generation - Diagrams generation - Image generation powered by top AI models - Organization features - tags, projects and much more! Our terms of service and privacy policy are available in the links below: Terms of Service - https://chat-o.chat/terms-of-service Privacy Policy - https://chat-o.chat/privacy-policy
Zero Chat
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Zero Chat brings GPT, Claude, Gemini, and more AI models into one app. An active subscription is required. Choose the right model for the task. Browse models by provider, compare their strengths and token prices, or search for a favorite. Switch models in the same conversation when you want a different perspective. Plan a trip, draft a message, explore an idea, or work through a problem. Add photos from your camera or gallery, use web search, and set custom instructions. Your chats stay together 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 5 days against Chat's every 6 months. Chat's advantage is iOS requirement (13.0 vs 16.4). 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. Chat sells 3 in-app purchases, starting at $6.99 per month 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.
Chat ships an update every 6 months, Zero Chat every 5 days. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.
| Parameter | Chat | Zero Chat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 5 days โ better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 13.0 โ better | 16.4 |
| Further details โ not scored | ||
| Size | 47 MB | 117 MB |
| Age rating | 17+ | 4+ |
| Developer | OPQC Labs Inc. | Oleg Filimonov |
In-app purchases
Chat
- Chat-O Monthly$6.991 Month
- Chat-O Yearly$69.991 Year
- 5000 Extra Credits$6.99
Zero Chat
- Premium7 Days trial$8.991 Month









