# EV远程协助 vs 通信工程师考试助手

The clearest difference is in-app purchases: EV远程协助 at none against 通信工程师考试助手's 10. EV远程协助 also leads on iOS requirement (12.0 vs 15.0). 通信工程师考试助手's advantage is update cadence (every 2 months vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. 通信工程师考试助手 sells 10 one-off in-app purchases. EV远程协助 asks for nothing beyond the download.

EV远程协助 ships an update every 9 months, 通信工程师考试助手 every 2 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EV远程协助 | 通信工程师考试助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Size | 23 MB | 176 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [振宇 胡](https://appshunter.io/developer/1190222874) | [Changsha Xisai Liman Education Technology Co., Ltd](https://appshunter.io/developer/1466745593) |

## What reviewers say

### EV远程协助

[App page](https://appshunter.io/ios/app/ev/id1527027826)

**Features:** macOS Compatibility

**In-app purchases:** none


### 通信工程师考试助手

[App page](https://appshunter.io/ios/app/id6743513213)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2999希赛币 | $399.99 | one-time |
| 3499希赛币 | $499.99 | one-time |
| 3999希赛币 | $599.99 | one-time |
| 4499希赛币 | $599.99 | one-time |
| 4999希赛币 | $699.99 | one-time |
| 5499希赛币 | $799.99 | one-time |
| 5999希赛币 | $899.99 | one-time |
| 6499希赛币 | $999.99 | one-time |
| 6999希赛币 | $999.99 | one-time |
| 7499希赛币 | $999.99 | one-time |


## Frequently asked questions

### Is EV远程协助 free?

EV远程协助 is free to download, with no in-app purchases.

### Is 通信工程师考试助手 free?

通信工程师考试助手 is free to download, with in-app purchases available.

### Do EV远程协助 or 通信工程师考试助手 have ads?

Neither EV远程协助 nor 通信工程师考试助手 shows ads.

### Which is updated more often, EV远程协助 or 通信工程师考试助手?

EV远程协助 ships an update every 9 months, and 通信工程师考试助手 every 2 months. Most recently, EV远程协助 was updated on October 20, 2026 and 通信工程师考试助手 on October 24, 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.*