# 图片转压 vs decibella 2

The clearest difference is ads: 图片转压 at none against decibella 2's shown. 图片转压 also leads on iOS requirement (12.0 vs 16.4). decibella 2's advantage is update cadence (every 2 weeks vs every 12 months). On price, in-app purchases and device support there is nothing between them.

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

图片转压 ships an update every 12 months, decibella 2 every 2 weeks. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 图片转压 | decibella 2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Size | 83 MB | 53 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [静 胡](https://appshunter.io/developer/1687913013) | [Jisu Jung](https://appshunter.io/developer/1731788096) |

## What reviewers say

### 图片转压

[App page](https://appshunter.io/ios/app/id6479608625)

**Features:** macOS Compatibility

**In-app purchases:** none


### decibella 2

[App page](https://appshunter.io/ios/app/decibella-2/id6768519741)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 图片转压 free?

图片转压 is free to download, with no in-app purchases.

### Is decibella 2 free?

decibella 2 is free to download, with no in-app purchases.

### Do 图片转压 or decibella 2 have ads?

decibella 2 shows ads; 图片转压 does not.

### Which is updated more often, 图片转压 or decibella 2?

图片转压 ships an update every 12 months, and decibella 2 every 2 weeks. Most recently, 图片转压 was updated on October 15, 2026 and decibella 2 on October 21, 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.*