Comparison

Chatzoo 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

Chatzoo

Read full description

Chatzoo is a chat-based AI assistant designed to make AI simple for everyday users. This beta version includes: โ€ข AI chat with automatic model selection โ€ข Manual model switching โ€ข Expert modes (Writing, Research, Strategy, etc.) โ€ข AI image generation โ€ข Voice input (if enabled) โ€ข 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

About

Zero Chat

Features
Read full description

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 โ€ข Chat with more than 40 AI models โ€ข Keep one searchable conversation history โ€ข Switch models when a task calls for a different one โ€ข Set custom instructions for every chat โ€ข 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

Chatzoo4 screens
Zero Chat3 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences ยท 3 level
Chatzoo versus Zero Chat: the parameters behind the verdict, then further details
ParameterChatzooZero Chat
PriceFreeFree
Update frequencyEvery 2 weeksEvery 4 days โ€” better
Adsโ€”No
In-app purchasesYesYes
Devicesโ€”iPhone, iPad โ€” better
Requires iOS26.216.4 โ€” better
Further details โ€” not scored
Size20 MB72 MB
Age rating12+4+
DeveloperBiscotte AI GmbHOleg Filimonov

In-app purchases

7 purchases

Chatzoo

Subscriptions4
  • Weekly7 Days trial$5.997 Days
  • Computer Light$24.991 Month
  • Computer Pro$39.991 Month
Show 1 more
  • Yearly$99.001 Year
One-time3
  • Small Pack$5.99
  • Medium Pack$29.99
  • Large Pack$59.99
1 purchases

Zero Chat

Subscriptions1
  • Premium14 Days trial$8.991 Month

Questions

Is Chatzoo free?
Chatzoo is free to download, with in-app purchases available.
Is Zero Chat free?
Zero Chat is free to download, with in-app purchases available.
Which is updated more often, Chatzoo or Zero Chat?
Chatzoo ships an update every 2 weeks, and Zero Chat every 4 days. Most recently, Chatzoo was updated on October 18, 2026 and Zero Chat on October 2, 2026.

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