Document Detection vs ChatCharm Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Document Detection
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Detect rectangular regions in images that contain text.
ChatCharm Keyboard
Enhance your writing with an AI-powered keyboard that assists with replies, rewrites, and proofreading. Communicate effortlessly across languages and manage text snippets efficiently for faster typing.
- AI-generated replies
- Tone and style improvement
- Real-time grammar and spelling check
- Seamless translation
- Clipboard management
- Quick phrase shortcuts
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ChatCharm Keyboard is your all-in-one AI typing assistant designed to improve how you write, reply, and communicate. Whether you're chatting, working, or writing content, ChatCharm helps you express yourself effortlessly. Key Features: • AI Reply – generate natural responses instantly • AI Rewrite – improve tone, clarity, and style • AI Proofread – fix grammar and spelling in real time • Translation – communicate across languages seamlessly • Clipboard Manager – save and reuse frequently used text • Quick Phrases – speed up repetitive typing tasks From casual chats to professional communication, ChatCharm helps you always say the right thing. https://sites.google.com/view/chatcharmkeyboardtermsofuse/%E9%A6%96%E9%A1%B5 https://sites.google.com/view/privacy-policy-for-chatcharm-k/%E9%A6%96%E9%A1%B5 duyulong84@gmail.com
Screenshots
Verdict
The clearest difference is in-app purchases: Document Detection at none against ChatCharm Keyboard's 2. ChatCharm Keyboard's advantage is update cadence (weekly vs every 5 weeks) and iOS requirement (15.6 vs 17.5). On price, ads 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. ChatCharm Keyboard sells 2 in-app purchases, starting at $19.99 per 7 days. Document Detection asks for nothing beyond the download.
Document Detection ships an update every 5 weeks, ChatCharm Keyboard weekly. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.
| Parameter | Document Detection | ChatCharm Keyboard |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.3 (46 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 46 — better |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.5 | 15.6 — better |
| Further details — not scored | ||
| Size | 14 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | Hideaki Uchikoshi | 亚雯 雷 |
In-app purchases
Document Detection
No in-app purchases
ChatCharm Keyboard
- Weekly3 Days trial$19.997 Days
- Yearly$89.991 Year
Questions
Is Document Detection free?
Is ChatCharm Keyboard free?
Do Document Detection or ChatCharm Keyboard have ads?
Which is updated more often, Document Detection or ChatCharm Keyboard?
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