ChatCharm Keyboard vs Conver City
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Conver City
This app offers comprehensive batch processing for images, videos, and documents directly on your device. Convert, compress, edit, and extract content from various file types, ensuring your data remains private.
- Batch image conversion and compression
- Video conversion, compression, and watermarking
- Convert video to Live Photo
- Text to document conversion (PDF, TXT, DOCX)
- PDF merging and splitting
- Text scanning and recognition
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Images, videos, documents, PDFs, and scanned text — batch processing, all on your device. Key Features 1. Image Processing - Batch format conversion: convert between JPEG, PNG, HEIC, WebP, GIF, and more. - Batch compression: reduce file size for storage or sharing. - Crop & rotate: adjust composition and orientation. 2. Video Processing - Batch format conversion: convert between MP4, MOV, MKV, AVI, FLV, and other common formats. - Batch compression: control file size while keeping usable quality. - Add watermark: text or image watermarks to protect your content. - Convert video to Live Photo: turn video clips into Live Photos. - Separate video and audio: extract background music or vocals. - Mute and replace audio: remove original sound and add new audio. - Noise reduction: reduce background noise from video or audio. - Crop & mirror flip: adjust video frame and apply mirror effect. 3. Text to Document - Convert typed text, text from files, or text from images into PDF, TXT, or DOCX formats. 4. PDF Tools - Merge: combine multiple PDFs into one. - Split: divide a single PDF into multiple files by page. 5. Text Scan & Recognition - Scan text from images and export as image or PDF. - Scan text from documents (PDF, Word) and export as image or PDF. - Scan any visible text and export as image or PDF. All processing happens locally. Your files never leave your device. Simple, batch‑ready, and private. -Payment will be charged to iTunes Account at confirmation of purchase. -Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. -Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Privacy Policy:http://juneidol.com/convert01/privacy Terms of Use :http://juneidol.com/convert01/terms
Screenshots
Verdict
The clearest difference is rating: Conver City at 3.2 against ChatCharm Keyboard's 2.2. Conver City also leads on review sentiment (33% vs 0%). 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. ChatCharm Keyboard sells 2 in-app purchases, starting at $19.99 per 7 days and Conver City sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Conver City holds the better App Store score, 3.2 against 2.2. Both are backed by a comparable volume of ratings — 47 and 21 respectively. Written reviews point the same way: 0% of ChatCharm Keyboard's written reviews are positive against 33% of Conver City's.
ChatCharm Keyboard ships an update weekly, Conver City every 9 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.
| Parameter | ChatCharm Keyboard | Conver City |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (47 ratings) | 3.2 (21 ratings) — better |
| Positive reviews | 0.0% of reviews | 33.3% of reviews — better |
| Number of ratings | 47 — better | 21 |
| Update frequency | Weekly — better | Every 9 days |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 99 MB | 50 MB |
| Age rating | 4+ | 17+ |
| Developer | 亚雯 雷 | 利濠 梁 |
Customer experience
ChatCharm Keyboard
Conver City
In-app purchases
ChatCharm Keyboard
- Weekly3 Days trial$19.997 Days
- Yearly$89.991 Year
Conver City
- Weekly Plan$6.997 Days
- Conver City3 Days trial$19.997 Days
- Monthly Plan$24.991 Month
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- Conver City$39.991 Month








