Atkinson vs ChoCho
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Atkinson
This app processes photos using the Atkinson dithering algorithm, originally used for black and white displays on old Macintosh computers. It creates small file-sized images with options for square cropping, rounded corners, and white borders, offering a real-time preview of the effect.
- Atkinson dithering algorithm processing
- Square photo output
- Toggleable rounded corners
- White border option
- Real-time preview
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Transform your photos with the iconic Atkinson dithering algorithm — the same technique used on the original Macintosh by Bill Atkinson. Create stunning retro-style images with a single tap. # What is Atkinson Dithering? Atkinson dithering was the algorithm behind the classic 1-bit graphics of early Macintosh computers. It converts photos i nto beautiful two-tone pixel patterns, producing images with a distinctive vintage charm and remarkably small file sizes. # Features - Real-time Atkinson dithering preview through your camera - 7 retro-tech color palettes: Terminal Green, Amber Monitor, Original Macintosh, Game Boy, Apple II Green, White Phospho r, and classic black & white - 5 iconic frames inspired by computing history: MacPaint, Classic Mac window, Terminal, White Frame, and frameless - Adjustable brightness control - Rounded corner option - Square photo output optimized for social media - Lightweight PNG output with tiny file sizes # Color Palettes Go beyond black and white. Choose from color palettes inspired by legendary displays — the green glow of VT100 terminals, the warm amber of IBM monitors, the creamy screen of the original Macintosh, and more. # Retro Frames Wrap your dithered photos in frames inspired by classic software. The MacPaint frame features pixel-perfect tool palettes and menu bars, just like Bill Atkinson's legendary paint program. The Classic Mac frame recreates the iconic window chrome of early Macintosh. # Perfect for - Retro and vintage photo enthusiasts - Pixel art lovers - Social media posts with a unique aesthetic - Anyone who appreciates the beauty of 1-bit graphics
ChoCho
This tool adds a vintage aesthetic to your photos with Y2K-inspired polka dots and stickers. Easily transform everyday pictures into charming plog-style images with a soft, scrapbook feel. Enjoy a simple creative process for unique social media content or personal keepsakes.
- Y2K-inspired polka dots and stickers
- Soft background options
- Scrapbook-style image creation
- Random effect generator
- Simple, intuitive interface
- Suitable for plogs, avatars, and sharing
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chocho 是一个很轻的古早味波点拼贴工具 上传一张照片,加一点 y2k 感的波点、贴纸、和柔软的背景,就可以把日常照片变成充满古早味波点和拼贴的 plog 图。 经过精心打磨,参数的存在感在chocho里变得很淡。选照片,换背景,点一点波点,抽一个随机效果,一张有手帐感、soft core 氛围的图片就做好了。 它适合用来做日常 plog、头像、分享图、相册封面,或仅仅是享受创作的过程而已。 在 chocho 里,你会嗅到满满的古早味。 把照片放进来,因为chocho需要更多波点。
Screenshots
Verdict
The clearest difference is rating: ChoCho at 5.0 against Atkinson's 3.3. ChoCho also leads on in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume, 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. Atkinson sells 2 in-app purchases, starting at $0.99 per month. ChoCho asks for nothing beyond the download.
ChoCho holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 71% of Atkinson's written reviews are positive against 82% of ChoCho's.
Atkinson ships an update every 3 weeks, ChoCho every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Atkinson | ChoCho |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (6 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 71.4% of reviews | 81.8% of reviews — better |
| Number of ratings | 6 — better | 5 |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 19 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | koyachi | 依克买提· 阿力木 |
Customer experience
Atkinson
ChoCho
In-app purchases
Atkinson
- Standard Month$0.991 Month
- Standard Year$9.991 Year
ChoCho
No in-app purchases









