# 易工 vs Latch

The clearest difference is price: 易工 at Free against Latch's $0.99. 易工 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). Latch's advantage is in-app purchases (none vs 1) and update cadence (every 6 days vs every 2 months). On ads there is nothing between them.

易工 is free to download; Latch costs $0.99 up front. 易工 sells 1 in-app purchase, starting at $6.99 per year. Latch asks for nothing beyond the download.

易工 ships an update every 2 months, Latch every 6 days. The most recent releases landed on October 19, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 易工 | Latch |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 1 MB | 3 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [庆福 曾](https://appshunter.io/developer/1464870475) | [有伟 董](https://appshunter.io/developer/1679483114) |

## What reviewers say

### 易工

[App page](https://appshunter.io/ios/app/id1633570403)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级版-连续包年 | $6.99 | per year |


### Latch

[App page](https://appshunter.io/ios/app/latch/id6452399901)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 易工 free?

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

### Is Latch free?

Latch costs $0.99, with no in-app purchases.

### Do 易工 or Latch have ads?

Neither 易工 nor Latch shows ads.

### Which is updated more often, 易工 or Latch?

易工 ships an update every 2 months, and Latch every 6 days. Most recently, 易工 was updated on October 19, 2026 and Latch on October 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.*