# OZsurvey vs App Quark

The clearest difference is update cadence: App Quark at every 10 days against OZsurvey's every 7 months. OZsurvey's advantage is iOS requirement (13.0 vs 15.6). 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.

OZsurvey ships an update every 7 months, App Quark every 10 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | OZsurvey | App Quark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Size | 53 MB | 31 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DEVELOPMENT ONE ZERO LTDA](https://appshunter.io/developer/1079919113) | [FRANCISCO ENEAS DE LIMA JUNIOR](https://appshunter.io/developer/1788571017) |

## What reviewers say

### OZsurvey

[App page](https://appshunter.io/ios/app/ozsurvey/id6446942161)

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

**In-app purchases:** none


### App Quark

[App page](https://appshunter.io/ios/app/app-quark/id6743659630)

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

**In-app purchases:** none


## Frequently asked questions

### Is OZsurvey free?

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

### Is App Quark free?

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

### Do OZsurvey or App Quark have ads?

Neither OZsurvey nor App Quark shows ads.

### Which is updated more often, OZsurvey or App Quark?

OZsurvey ships an update every 7 months, and App Quark every 10 days. Most recently, OZsurvey was updated on October 25, 2026 and App Quark on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*