# 380V vs Survey C

The clearest difference is in-app purchases: 380V at none against Survey C's 1. 380V also leads on iOS requirement (10.0 vs 17.6). On price there is nothing between them.

Both are free to download. Survey C sells 1 one-off in-app purchase. 380V asks for nothing beyond the download.

## The numbers

| Metric | 380V | Survey C |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Weekly |
| Size | 4 MB | 5 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 12+ |
| Developer | [叶飞 张](https://appshunter.io/developer/1679504318) | [Ngoc Tung Nguyen](https://appshunter.io/developer/1123458177) |

## What reviewers say

### 380V

[App page](https://appshunter.io/ios/app/380v/id6446882529)

**In-app purchases:** none


### Survey C

[App page](https://appshunter.io/ios/app/survey-c-plus-autocad-export/id6756013455)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $200.00 | one-time |


## Frequently asked questions

### Is 380V free?

380V is free to download, with no in-app purchases.

### Is Survey C free?

Survey C 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.*