# Criterion vs DebaterClock

The clearest difference is iOS requirement: DebaterClock at 18.5 against Criterion's 26.0. 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 | Criterion | DebaterClock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 11 MB | 1 MB |
| Requires iOS | 26.0 | **18.5** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anar Anand](https://appshunter.io/developer/1836796820) | [Luis Rodriguez](https://appshunter.io/developer/1867329605) |

## What reviewers say

### Criterion

[App page](https://appshunter.io/ios/app/criterion/id6751784325)

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

**In-app purchases:** none


### DebaterClock

[App page](https://appshunter.io/ios/app/debaterclock/id6757501562)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Criterion free?

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

### Is DebaterClock free?

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

### Do Criterion or DebaterClock have ads?

Neither Criterion nor DebaterClock 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.*