KnowBot vs Stella
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KnowBot
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Welcome to KnowBot, a smart chatbot powered by the state-of-the-art LLM large model! There's no need for any settings or keys, just open it and use it!!! you can jump right in and start asking KnowBot a wide range of questions, or enlist its help with tasks like summarization, content extraction, or formatting. The power of our robot is directly tied to the quality of your prompts, so feel free to experiment and see what it can do for you! If you have any questions or suggestions, you can contact me through the following ways. tg: https://t.me/guageaa twitter: https://twitter.com/guageaaa mail: jokimina1@gmail.com
Stella
This AI assistant enhances productivity through intelligent conversations. It offers a seamless, private chat experience without requiring logins or fees. Powered by advanced AI, it aims to transform task management and communication.
- Intelligent conversation
- Productivity enhancement
- Private chat interactions
- No login required
- Free to use
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Dive into the future of conversation with Stella, the intelligent assistant that will improve your productivity and transform the way you do task. Download today and experience the thrill of smart chatting! Your chat interactions are not being monitored or saved in any way Easy usage: no login, no fee, no nothing. Enjoy! Stella is powered by OpenAI and may generate offensive or dangerous content. Stella is not liable for any content generated.
Screenshots
Verdict
The clearest difference is in-app purchases: Stella at none against KnowBot's 3. KnowBot's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement 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. KnowBot sells 3 in-app purchases, starting at $1.99 per month. Stella asks for nothing beyond the download.
KnowBot ships an update every 4 days, Stella every 2 months. The most recent releases landed on August 29, 2026 and June 5, 2026 respectively.
| Parameter | KnowBot | Stella |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 36 MB | 33 MB |
| Age rating | 4+ | 17+ |
| Developer | 钤 朱 | NorthSoft HB |
In-app purchases
KnowBot
- VIP for one month$1.991 Month
- VIP for six months$9.996 Months
- VIP for one year$14.991 Year
Stella
No in-app purchases
