# 新电工大师 vs Roots Master

The clearest difference is price: 新电工大师 at Free against Roots Master's $8.99. 新电工大师 also leads on update cadence (every 5 weeks vs every 9 months) and iOS requirement (13.0 vs 15.1). Roots Master's advantage is in-app purchases (none vs 4) and device support.

新电工大师 is free to download; Roots Master costs $8.99 up front. 新电工大师 sells 4 one-off in-app purchases. Roots Master asks for nothing beyond the download.

新电工大师 ships an update every 5 weeks, Roots Master every 9 months. The most recent releases landed on September 29, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 新电工大师 | Roots Master |
| --- | --- | --- |
| Price | **Free** | $8.99 |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | **Every 5 weeks** | Every 9 months |
| Size | 44 MB | 93 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [深圳扳手会供应链科技有限公司](https://appshunter.io/developer/1718660653) | [SimTeCon GmbH](https://appshunter.io/developer/1761797043) |

## What reviewers say

### 新电工大师

[App page](https://appshunter.io/ios/app/id6479356825)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30天会员 | $1.99 | one-time |
| 一季会员（90天） | $3.99 | one-time |
| 一年会员（365天） | $7.99 | one-time |
| 终身会员 | $19.99 | one-time |


### Roots Master

[App page](https://appshunter.io/ios/app/roots-master/id6739428678)

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

**In-app purchases:** none


## Frequently asked questions

### Is 新电工大师 free?

新电工大师 is free to download, with in-app purchases available.

### Is Roots Master free?

Roots Master costs $8.99, with no in-app purchases.

### Which is updated more often, 新电工大师 or Roots Master?

新电工大师 ships an update every 5 weeks, and Roots Master every 9 months. Most recently, 新电工大师 was updated on September 29, 2026 and Roots Master on October 9, 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.*