# LT vs 图片转压

The clearest difference is iOS requirement: 图片转压 at 12.0 against LT's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

LT ships an update every 17 months, 图片转压 every 12 months. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | LT | 图片转压 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 12 months** |
| Size | 19 MB | 83 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZHUHAI L-TWOO SPORTS TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1594488765) | [静 胡](https://appshunter.io/developer/1687913013) |

## What reviewers say

### LT

[App page](https://appshunter.io/ios/app/lt-tool/id6473872070)

**Features:** macOS Compatibility

**In-app purchases:** none


### 图片转压

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LT free?

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

### Is 图片转压 free?

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

### Do LT or 图片转压 have ads?

Neither LT nor 图片转压 shows ads.

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

LT ships an update every 17 months, and 图片转压 every 12 months. Most recently, LT was updated on September 17, 2026 and 图片转压 on September 11, 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.*