Comparison

Chat vs Zero Chat

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Chat

Features
Read full description

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

About

Zero Chat

Features
Read full description

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

Chat4 screens
Zero Chat4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 4 level
Chat versus Zero Chat: the parameters behind the verdict, then further details
ParameterChatZero Chat
PriceFreeFree
Update frequencyEvery 6 monthsEvery 5 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS13.0 โ€” better16.4
Further details โ€” not scored
Size47 MB117 MB
Age rating17+4+
DeveloperOPQC Labs Inc.Oleg Filimonov

In-app purchases

3 purchases

Chat

Subscriptions2
  • Chat-O Monthly$6.991 Month
  • Chat-O Yearly$69.991 Year
One-time1
  • 5000 Extra Credits$6.99
1 purchases

Zero Chat

Subscriptions1
  • Premium7 Days trial$8.991 Month

Questions

Is Chat free?
Chat is free to download, with in-app purchases available.
Is Zero Chat free?
Zero Chat is free to download, with in-app purchases available.
Do Chat or Zero Chat have ads?
Neither Chat nor Zero Chat shows ads.
Which is updated more often, Chat or Zero Chat?
Chat ships an update every 6 months, and Zero Chat every 5 days. Most recently, Chat was updated on November 12, 2026 and Zero Chat on November 13, 2026.

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