# 工作留痕 vs LASM

The clearest difference is price: LASM at Free against 工作留痕's $0.99. 工作留痕's advantage is update cadence (every 2 days vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

LASM is free to download; 工作留痕 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

工作留痕 ships an update every 2 days, LASM every 2 months. The most recent releases landed on October 9, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 工作留痕 | LASM |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Size | 3 MB | 6 MB |
| Requires iOS | **17** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [广亿 丁](https://appshunter.io/developer/1758979534) | [Shanghai Terjin Information Technology Co., Ltd.](https://appshunter.io/developer/649957877) |

## What reviewers say

### 工作留痕

[App page](https://appshunter.io/ios/app/id6740536209)

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

**In-app purchases:** none


### LASM

[App page](https://appshunter.io/ios/app/lasm/id6762499364)

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

**In-app purchases:** none


## Frequently asked questions

### Is 工作留痕 free?

工作留痕 costs $0.99, with no in-app purchases.

### Is LASM free?

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

### Do 工作留痕 or LASM have ads?

Neither 工作留痕 nor LASM shows ads.

### Which is updated more often, 工作留痕 or LASM?

工作留痕 ships an update every 2 days, and LASM every 2 months. Most recently, 工作留痕 was updated on October 9, 2026 and LASM on September 26, 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.*