# RedCheck vs Undertone

The clearest difference is device support: RedCheck at 3 against Undertone's 1. RedCheck also leads on iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. RedCheck sells 2 in-app purchases, starting at $9.99 per month and Undertone sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | RedCheck | Undertone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 84 MB | 16 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 9+ |
| Developer | [ANASTASIYA SAUCHUKOVA](https://appshunter.io/developer/1896556283) | [Fernix LLC](https://appshunter.io/developer/6785233330) |

## What reviewers say

### RedCheck

[App page](https://appshunter.io/ios/app/redcheck/id6768276053)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RedCheck Pro | $9.99 | per month |
| RedCheck Pro | $59.99 | per year |


### Undertone

[App page](https://appshunter.io/ios/app/undertone-ai-chat-analyzer/id6792533974)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Undertone Premium Weekly | $4.99 | per 7 days |
| Undertone Premium  Yearly | $29.99 | per year |


## Frequently asked questions

### Is RedCheck free?

RedCheck is free to download, with in-app purchases available.

### Is Undertone free?

Undertone is free to download, with in-app purchases available.

### Do RedCheck or Undertone have ads?

Neither RedCheck nor Undertone 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.*