# SZ.chat vs OZsurvey

The clearest difference is ads: SZ.chat at none against OZsurvey's shown. SZ.chat also leads on update cadence (monthly vs every 5 months). OZsurvey's advantage is iOS requirement (13.0 vs 15.1). On price, 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.

SZ.chat ships an update monthly, OZsurvey every 5 months. The most recent releases landed on May 31, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SZ.chat | OZsurvey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 5 months |
| Size | 46 MB | 51 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FORTICS TECNOLOGIA LTDA](https://appshunter.io/developer/1471084612) | [DEVELOPMENT ONE ZERO LTDA](https://appshunter.io/developer/1079919113) |

## What reviewers say

### SZ.chat

[App page](https://appshunter.io/ios/app/szchat/id1471084613)

**Features:** macOS Compatibility

**In-app purchases:** none


### OZsurvey

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SZ.chat free?

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

### Is OZsurvey free?

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

### Do SZ.chat or OZsurvey have ads?

OZsurvey shows ads; SZ.chat does not.

### Which is updated more often, SZ.chat or OZsurvey?

SZ.chat ships an update monthly, and OZsurvey every 5 months. Most recently, SZ.chat was updated on May 31, 2026 and OZsurvey on September 9, 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.*