# 图片压缩 vs 抖抖水印

The clearest difference is update cadence: 抖抖水印 at every 3 days against 图片压缩's every 5 weeks. 抖抖水印 also leads on ratings volume (5 vs 1). 图片压缩's advantage is rating (5.0 vs 4.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 图片压缩 sells 1 in-app purchase, starting at $4.49 per year and 抖抖水印 sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

图片压缩 holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: 抖抖水印 has 5 ratings behind it against 1, so its average is the more settled of the two.

图片压缩 ships an update every 5 weeks, 抖抖水印 every 3 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 图片压缩 | 抖抖水印 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1591004380/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/id6474031482/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 98.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Freemium | Freemium |
| Size | 5 MB | 60 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [阳理 江](https://appshunter.io/developer/1645314423) | [智强 莫](https://appshunter.io/developer/1717014578) |

## What reviewers say

### 图片压缩

[App page](https://appshunter.io/ios/app/id1591004380)

This app efficiently reduces image file sizes by up to 90% while preserving high quality. It supports various formats, batch processing, and custom resolution adjustments, all processed locally for security and speed.

**Highlights:** High-quality image compression (up to 90% reduction), Supports JPG, PNG, HEIC formats, Customizable resolution and size, Real-time preview and comparison, Batch compression, iCloud integration

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员 | $4.49 | per year |


### 抖抖水印

[App page](https://appshunter.io/ios/app/id6474031482)

Easily enhance and modify your images and videos. Add watermarks, adjust quality, convert formats, and even play videos in reverse or at variable speeds. Offers a range of editing tools for both static and moving media.

**Highlights:** Image analysis and attribution, Add image and video watermarks, Lossless image enlargement, Image and video format conversion, Image and video compression, Video playback in reverse, Video variable speed adjustment

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $4.99 | per month |
| Quarterly membership | $14.99 | per 3 months |
| Yuarterly membership | $29.99 | per year |


## Frequently asked questions

### Is 图片压缩 free?

图片压缩 is free to download, with in-app purchases available.

### Is 抖抖水印 free?

抖抖水印 is free to download, with in-app purchases available.

### Which has better reviews, 图片压缩 or 抖抖水印?

图片压缩 is rated higher. 图片压缩 averages 5.0 out of 5 from 1 ratings, while 抖抖水印 averages 4.6 from 5 ratings.

### Do 图片压缩 or 抖抖水印 have ads?

Neither 图片压缩 nor 抖抖水印 shows ads.

### Which is updated more often, 图片压缩 or 抖抖水印?

图片压缩 ships an update every 5 weeks, and 抖抖水印 every 3 days. Most recently, 图片压缩 was updated on November 3, 2026 and 抖抖水印 on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*