Math 24 vs I
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Math 24
This app challenges users to reach the number 24 using basic arithmetic operations. It offers various practice modes, timed challenges, and a problem generator for educators. Users can track their progress on leaderboards and utilize hints for assistance.
- Daily practice with difficulty levels
- Create custom test papers
- Timed race challenges
- Global leaderboards
- Adjustable difficulty and titles
- Hints and solutions provided
- Gesture-based puzzle solving
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Goal: Use addition, subtraction, multiplication, and division to quickly reach 24 points! Features: 1. Practice: Three difficulty levels to practice every day. 2. Problem Generator: Teachers can create 24-point test papers easily for printing and exporting. 3. Race: Take on 1-minute, 2-minute, 3-minute, and 5-minute challenges. 4. Leaderboards: Compare your quick calculation skills with others. 5. Customization: Adjust difficulty and add a title to your challenges. 6. Hints and Solutions: Get help and see the answers. 7. Gesture Support: Use gestures to solve puzzles faster. If you have any feedback or questions, please feel free to contact us at miaozhi.ai@gmail.com
I
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i-talk-u helps you practise languages and communicate across language barriers using ready-to-use prompts for compatible AI chat apps. How to use: Choose your languages and preferences in Settings Select a conversation scenario, Interview mode, or Real Conversation Copy the generated prompt Paste it into ChatGPT, Claude, Gemini, or another compatible AI chat app Use the AI app's read-aloud or voice features for listening, speaking, or live conversation Features: • Multi-language interface • Everyday conversation practice • Real Conversation mode for live two-way translation • Automatic language detection option for Real Conversation • Interview mode using your job description and notes • Interview scoring, feedback, and suggested corrected answers from the external AI • Saved setups for quick reuse • No account required • Settings and saved data are stored locally on your device Real Conversation: Choose two languages, or use automatic language detection when you do not know which language the other person speaks. Copy the generated prompt into a compatible AI chat app and start its voice conversation mode. The external AI can then act as an interpreter between both speakers. Interview Practice: Paste a job description and optional notes to create a personalised interview prompt. The external AI can conduct the interview and provide a score, feedback, and suggested corrected answers when the session ends. Access: Some features may require watching a rewarded ad before copying a prompt. An optional one-time Remove Ads purchase removes rewarded ads from supported features. Note: i-talk-u does not provide its own AI chat or translation service. AI conversations, translations, responses, voice features, interview scoring, and feedback are provided by the compatible external AI service selected by the user. Availability and capabilities may vary between AI services.
Screenshots
Verdict
The clearest difference is update cadence: I at every 10 days against Math 24's every 4 months. Math 24's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support 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. Math 24 sells 5 one-off in-app purchases and I sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Math 24 ships an update every 4 months, I every 10 days. The most recent releases landed on October 12, 2026 and September 18, 2026 respectively.
| Parameter | Math 24 | I |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (525 ratings) — better | — |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 525 — better | — |
| Update frequency | Every 4 months | Every 10 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 54 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | CHENGDU MIAOZHI TECHNOLOGY CO., LTD. | Kin Tong Lee |
In-app purchases
Math 24
- Buy 10 hints$0.99
- Buy 10 skips$0.99
- Buy 50 generate questions$3.99
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- Remove Ads$4.99
- Lifetime Premium$5.99
I
- Remove Ads$1.99









