# Saisunkun vs Image Compressor & ZIP

The clearest difference is update cadence: Saisunkun at every 10 days against Image Compressor & ZIP's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Saisunkun sells 1 in-app purchase, starting at $2.99 per month and Image Compressor & ZIP sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Saisunkun ships an update every 10 days, Image Compressor & ZIP monthly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Saisunkun | Image Compressor & ZIP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/image-compressor-and-zip/id6762104289/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | — | Freemium |
| Size | 18 MB | 10 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [masafumi etoh](https://appshunter.io/developer/1689334069) | [家宝 戴](https://appshunter.io/developer/1826395838) |

## What reviewers say

### Saisunkun

[App page](https://appshunter.io/ios/app/saisunkun/id6449476032)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Saisunkun premium 月額プラン | $2.99 | per month |


### Image Compressor & ZIP

[App page](https://appshunter.io/ios/app/image-compressor-and-zip/id6762104289)

This app lets you quickly shrink large image files, offering control over compression levels and format. You can compare image quality before saving and export compressed photos individually or bundled into a ZIP file. It prioritizes privacy by processing all data on your device without requiring an account or internet connection.

**Highlights:** Batch image compression, Adjustable compression levels, Side-by-side quality comparison, Export as ZIP file, Offline processing, On-device privacy

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ImageCompressor Pro Monthly | $2.99 | per month |
| ImageCompressor Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is Saisunkun free?

Saisunkun is free to download, with in-app purchases available.

### Is Image Compressor & ZIP free?

Image Compressor & ZIP is free to download, with in-app purchases available.

### Do Saisunkun or Image Compressor & ZIP have ads?

Neither Saisunkun nor Image Compressor & ZIP shows ads.

### Which is updated more often, Saisunkun or Image Compressor & ZIP?

Saisunkun ships an update every 10 days, and Image Compressor & ZIP monthly. Most recently, Saisunkun was updated on November 7, 2026 and Image Compressor & ZIP on November 5, 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.*