Second Brain vs Chatzi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Second Brain
This AI chatbot uses GPT technology to generate creative content like stories and songs, answer questions, and provide entertainment. It offers a premium subscription for enhanced features and a free trial period.
- AI-powered writing assistance
- Story and song generation
- Question answering
- Joke telling
- GPT technology integration
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Second Brain is a revolutionary AI chat bot powered by GPT Technology. It can write stories, songs, answer your questions, tell a joke and much more! Privacy Policy: https://sites.google.com/view/ai-app-privacy/home User Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Chatzi
Engage in conversations with a personalized AI assistant powered by GPT. Choose from various assistant characters to suit your needs, whether for friendship, help, or casual chat. Enjoy quick and accurate responses in a beautifully designed interface.
- Personalized AI assistant
- GPT-powered conversations
- Multiple assistant characters
- Intuitive design
- Quick and accurate responses
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Hello, i am Chatzi, your personalized AI Assistant. Chatzi lets you chat with your very own GPT assistant! With a beautiful and intuitive design, you can easily ask your assistant anything and receive quick and accurate responses. But that's not all - our app also features multiple assistant characters to choose from, so you can chat with the one that best fits your personality. Whether you're looking for a friend, a helper, or just someone to talk to, Chatzi is here for you. Download now and start chatting! Terms of Use: https://chatziapp.tumblr.com/post/713875577921208320/terms-and-conditions Privacy Policy: https://chatziapp.tumblr.com/post/713875657428500480/privacy-policy
Screenshots
Verdict
The clearest difference is update cadence: Chatzi at every 4 days against Second Brain's every 4 weeks. Chatzi also leads on device support (4 vs 1). Second Brain's advantage is ratings volume (61 vs 15). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Second Brain sells 3 in-app purchases, starting at $5.99 per 7 days and Chatzi sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for Second Brain against 4.8 for Chatzi. Both are backed by a comparable volume of ratings — 61 and 15 respectively.
Second Brain ships an update every 4 weeks, Chatzi every 4 days. The most recent releases landed on September 25, 2026 and July 20, 2026 respectively.
| Parameter | Second Brain | Chatzi |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (61 ratings) | 4.8 (15 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 61 — better | 15 |
| Update frequency | Every 4 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 16.6 | 16 — better |
| Further details — not scored | ||
| Size | 78 MB | 23 MB |
| Age rating | 17+ | 17+ |
| Developer | Tairs Rzajevs | Tuan Anh Do |
Customer experience
Second Brain
Chatzi
In-app purchases
Second Brain
- Premium for one Week3 Days trial$5.997 Days
- Premium for one Month3 Days trial$9.991 Month
- Premium for one Year3 Days trial$39.991 Year
Chatzi
- Pro Monthly3 Days trial$3.991 Month
- Pro Yearly3 Days trial$24.991 Year
