# ONV vs 交规识题

The clearest difference is in-app purchases: ONV at none against 交规识题's 3. ONV also leads on iOS requirement (9.0 vs 14.0). 交规识题's advantage is device support. On price there is nothing between them.

Both are free to download. 交规识题 sells 3 one-off in-app purchases. ONV asks for nothing beyond the download.

## The numbers

| Metric | ONV | 交规识题 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 days |
| Size | 37 MB | 61 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [光网视科技](https://appshunter.io/developer/1523423843) | [智德 许](https://appshunter.io/developer/1791406471) |

## What reviewers say

### ONV

[App page](https://appshunter.io/ios/app/onv-nms/id1639980070)

**In-app purchases:** none


### 交规识题

[App page](https://appshunter.io/ios/app/id6740760077)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 练题月会员 | $2.99 | one-time |
| 练题三个月会员 | $3.99 | one-time |
| 练题年会员 | $4.99 | one-time |


## Frequently asked questions

### Is ONV free?

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

### Is 交规识题 free?

交规识题 is free to download, with in-app purchases available.

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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.*