Comparison

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.

Head to head
About

彩虹图

Features
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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!

About

Image Compression Assistant

Features
Read full description

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

彩虹图4 screens
Image Compression Assistant4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 4 level
彩虹图 versus Image Compression Assistant: the parameters behind the verdict, then further details
Parameter彩虹图Image Compression Assistant
PriceFreeFree
Update frequencyEvery 38 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.1
Further details — not scored
Size21 MB34 MB
Age rating4+4+
Developer泽勇 周俊岚 贺

In-app purchases

None

彩虹图

No in-app purchases

None

Image Compression Assistant

No in-app purchases

Questions

Is 彩虹图 free?
彩虹图 is free to download, with no in-app purchases.
Is Image Compression Assistant free?
Image Compression Assistant is free to download, with no in-app purchases.
Do 彩虹图 or Image Compression Assistant have ads?
Neither 彩虹图 nor Image Compression Assistant shows ads.
Which is updated more often, 彩虹图 or Image Compression Assistant?
彩虹图 ships an update every 38 months, and Image Compression Assistant every 3 days. Most recently, 彩虹图 was updated on October 7, 2026 and Image Compression Assistant on September 29, 2026.

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