# 易工 vs e维通达

The clearest difference is in-app purchases: e维通达 at none against 易工's 1. e维通达 also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 易工 sells 1 in-app purchase, starting at $6.99 per year. e维通达 asks for nothing beyond the download.

易工 ships an update every 2 months, e维通达 every 2 weeks. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 易工 | e维通达 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 1 MB | 103 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [庆福 曾](https://appshunter.io/developer/1464870475) | [Chengdu Fulimeng Environmental Protection Big Data Co., Ltd.](https://appshunter.io/developer/1435884795) |

## 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 |


### e维通达

[App page](https://appshunter.io/ios/app/e/id6505058206)

**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 e维通达 free?

e维通达 is free to download, with no in-app purchases.

### Do 易工 or e维通达 have ads?

Neither 易工 nor e维通达 shows ads.

### Which is updated more often, 易工 or e维通达?

易工 ships an update every 2 months, and e维通达 every 2 weeks. Most recently, 易工 was updated on September 14, 2026 and e维通达 on September 17, 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.*