# OHSA vs 问卷家

The clearest difference is update cadence: 问卷家 at fortnightly against OHSA's every 4 months. OHSA's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OHSA ships an update every 4 months, 问卷家 fortnightly. The most recent releases landed on October 30, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | OHSA | 问卷家 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 8 MB | 52 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [上海欧萨数据技术有限公司](https://appshunter.io/developer/1146355393) | [中山市龙艺网络科技有限公司](https://appshunter.io/developer/1871681297) |

## What reviewers say

### OHSA

[App page](https://appshunter.io/ios/app/ohsa/id1601786365)

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

**In-app purchases:** none


### 问卷家

[App page](https://appshunter.io/ios/app/id6787018778)

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

**In-app purchases:** none


## Frequently asked questions

### Is OHSA free?

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

### Is 问卷家 free?

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

### Do OHSA or 问卷家 have ads?

Neither OHSA nor 问卷家 shows ads.

### Which is updated more often, OHSA or 问卷家?

OHSA ships an update every 4 months, and 问卷家 fortnightly. Most recently, OHSA was updated on October 30, 2026 and 问卷家 on October 16, 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.*