# RedPulse vs Koolabo

The clearest difference is in-app purchases: Koolabo at none against RedPulse's 3. Koolabo also leads on update cadence (every 5 days vs fortnightly) and iOS requirement (16.6 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. RedPulse sells 3 in-app purchases, starting at $1.99 per 7 days. Koolabo asks for nothing beyond the download.

RedPulse ships an update fortnightly, Koolabo every 5 days. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | RedPulse | Koolabo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 22 MB | 41 MB |
| Requires iOS | 18.6 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Thiago R. Centurion](https://appshunter.io/developer/1407580132) | [Byron Werner](https://appshunter.io/developer/1896752306) |

## What reviewers say

### RedPulse

[App page](https://appshunter.io/ios/app/redpulse-widget-for-youtube/id6756374157)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $3.99 | per month |
| Yearly | $19.99 | per year |


### Koolabo

[App page](https://appshunter.io/ios/app/koolabo/id6770543274)

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

**In-app purchases:** none


## Frequently asked questions

### Is RedPulse free?

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

### Is Koolabo free?

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

### Do RedPulse or Koolabo have ads?

Neither RedPulse nor Koolabo shows ads.

### Which is updated more often, RedPulse or Koolabo?

RedPulse ships an update fortnightly, and Koolabo every 5 days. Most recently, RedPulse was updated on October 6, 2026 and Koolabo on October 4, 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.*