Cjexplorer vs Prime Numbers Math Games
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cjexplorer
Easily find Cangjie, Pinyin, Onyomi, and Kunyomi codes for Chinese characters. Features include clipboard lookup, live camera scanning of text or objects, and pronunciation synthesis. Supports Korean Hanja lookup, all processed on-device.
- Clipboard character lookup
- Live text camera scanning
- Live object camera scanning
- Pinyin pronunciation synthesis
- Korean Hanja lookup
- On-device processing
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CJExplorer is a fast, private reference tool for anyone who studies, types, reads, or teaches Chinese characters. Look up the Cangjie input code, Mandarin Pinyin, Cantonese Jyutping, Japanese Onyomi and Kunyomi readings, and Korean Hanja/Hangul information for Chinese characters in seconds. Copy a character, scan printed text with the live camera, or point the camera at an object and let on-device AI identify the related Chinese word for lookup. Whether you are learning Cangjie, checking Mandarin pronunciation, reading Cantonese, comparing Kanji readings, or working with Korean Hanja, CJExplorer keeps the answer close without forcing you into a heavy dictionary workflow. Key features: 1. Clipboard lookup for quick Cangjie, Pinyin, Jyutping, Japanese reading, and Hanja reference. 2. Live OCR camera lookup for Chinese characters and Korean Hangul romanization. 3. Object camera mode that recognizes everyday objects and shows the related Chinese word and codes. 4. Built-in Mandarin pronunciation to help learners hear the word. 5. On-device processing, so lookups stay private and the app does not need internet access. Buy CJExplorer once and keep a practical Chinese character companion ready whenever a character, reading, or input code slows you down.
Prime Numbers Math Games
This app offers interactive lessons and games to help users learn and practice prime numbers, HCF, and LCM. It provides clear explanations, timed challenges, and adjustable difficulty levels for focused math revision and skill-building.
- Learn prime number concepts
- Practice HCF and LCM calculations
- Interactive number challenges
- Timed game modes
- Adjustable difficulty levels
- Clear learning screens
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Prime Numbers Math Games helps you learn and practise prime numbers, HCF, and LCM through simple lessons and quick number challenges. Start with clear learning screens, then test your number skills in interactive games. You can practise identifying prime numbers, play timed challenges, and build confidence with HCF and LCM calculations. Main Features: • Learn what prime numbers are • View prime number examples from 1 to 100 and beyond • Practise prime number identification • Play classic and timed challenge modes • Learn and practise HCF calculations • Learn and practise LCM calculations • Choose difficulty levels for different practice needs • Clean, simple interface for focused learning • No data collection Why Use This App: Prime numbers, HCF, and LCM are important foundations in mathematics. This app turns number practice into short, focused activities that are easy to understand and quick to play. Suitable for: • Learners practising number skills • Students reviewing prime numbers, HCF, and LCM • Parents supporting math revision • Teachers looking for a simple classroom practice tool • Anyone who enjoys mental math and number puzzles Build your number sense one challenge at a time.
Screenshots
Verdict
The clearest difference is rating: Cjexplorer at 5.0 against Prime Numbers Math Games's 3.0. Cjexplorer also leads on iOS requirement (15.0 vs 17.2). On price, ratings volume, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.
Cjexplorer holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.
| Parameter | Cjexplorer | Prime Numbers Math Games |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 100 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Wing Shun Vincent Chu | Tsz Poon |
In-app purchases
Cjexplorer
No in-app purchases
Prime Numbers Math Games
No in-app purchases
Questions
Is Cjexplorer free?
Is Prime Numbers Math Games free?
Which has better reviews, Cjexplorer or Prime Numbers Math Games?
Do Cjexplorer or Prime Numbers Math Games have ads?
Which is updated more often, Cjexplorer or Prime Numbers Math Games?
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