彩虹图 vs Image Compression Assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
彩虹图
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极简视屏动图转化器,可以将您拍摄的一些视屏转化为高清晰度的gif图,支持截取,速度调整,帧数调整!
Image Compression Assistant
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A lightweight and efficient image processing tool, specially designed for daily image compression and format conversion, making image management easier. 【Core Features】 • Image Compression: Quickly reduce image size to save storage space, with multiple compression quality options • Image Conversion: Supports conversion between common formats such as JPEG, PNG, WebP, with additional HEIC support on iOS • Batch Processing: Process up to 10 images at a time to improve work efficiency • Resize: Freely adjust image width and height, with options to maintain aspect ratio or set custom dimensions • Local Processing: No need to upload, protecting privacy, with fast processing speed 【Use Cases】 • Images are too large to send or upload to social media • Not enough phone storage space, need to free up space • Need to unify image formats for compatibility across different platforms • Batch processing multiple images to save time • Resize images to fit different screen requirements 【Product Features】 • Simple operation, complete with one click, intuitive and user-friendly interface • No internet needed, all local processing, protects user privacy • No ad interference, providing a clean user experience • Fast, stable, and reliable processing, supports multiple image formats • Compatible with various device screens, clear display quality Suitable for users who need to quickly process images, whether for daily use or work needs, it can easily handle various image processing scenarios.
Screenshots
Verdict
The clearest difference is update cadence: Image Compression Assistant at every 3 days against 彩虹图's every 38 months. 彩虹图's advantage is iOS requirement (10.0 vs 15.1). 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. Neither carries in-app purchases, so what you see is what you pay.
彩虹图 ships an update every 38 months, Image Compression Assistant every 3 days. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.
| Parameter | 彩虹图 | Image Compression Assistant |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 38 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 21 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | 泽勇 周 | 俊岚 贺 |
In-app purchases
彩虹图
No in-app purchases
Image Compression Assistant
No in-app purchases
Questions
Is 彩虹图 free?
Is Image Compression Assistant free?
Do 彩虹图 or Image Compression Assistant have ads?
Which is updated more often, 彩虹图 or Image Compression Assistant?
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