# O!PSYTest vs ololo.city

The clearest difference is iOS requirement: O!PSYTest at 12.1 against ololo.city's 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.

## The numbers

| Metric | O!PSYTest | ololo.city |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 34 MB | 47 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [NUR Telecom LLC](https://appshunter.io/developer/1202124575) | [Mikhail Fedorov](https://appshunter.io/developer/1890698596) |

## What reviewers say

### O!PSYTest

[App page](https://appshunter.io/ios/app/opsytest/id6514297636)

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

**In-app purchases:** none


### ololo.city

[App page](https://appshunter.io/ios/app/ololocity/id6770978707)

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

**In-app purchases:** none


## Frequently asked questions

### Is O!PSYTest free?

O!PSYTest is free to download, with no in-app purchases.

### Is ololo.city free?

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

### Do O!PSYTest or ololo.city have ads?

Neither O!PSYTest nor ololo.city shows ads.

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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.*