# myCoolblue vs Rewrite Pro

The clearest difference is price: myCoolblue at Free against Rewrite Pro's $0.99. myCoolblue also leads on in-app purchases (none vs 4) and review sentiment (100% vs 67%). Rewrite Pro's advantage is update cadence (fortnightly vs every 3 months). On ads and device support there is nothing between them.

myCoolblue is free to download; Rewrite Pro costs $0.99 up front. Rewrite Pro sells 4 one-off in-app purchases. myCoolblue asks for nothing beyond the download.

myCoolblue ships an update every 3 months, Rewrite Pro fortnightly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | myCoolblue | Rewrite Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 201 MB | 23 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Condair GmbH](https://appshunter.io/developer/903871077) | [FOUTURE](https://appshunter.io/developer/1497510909) |

## What reviewers say

### myCoolblue

[App page](https://appshunter.io/ios/app/mycoolblue/id1129809444)

This simulation tool helps estimate annual energy needs for cooling and dehumidifying ventilation system supply air. It allows for early project planning by calculating potential energy savings from indirect evaporative cooling based on local weather data.

**Highlights:** Energy use simulation for evaporative cooling, Estimate annual cooling and dehumidification energy, Calculate potential energy savings, Utilize location-specific weather data, Export results via email or AirPrint

**Features:** macOS Compatibility

**In-app purchases:** none


### Rewrite Pro

[App page](https://appshunter.io/ios/app/rewrite-pro-ai-text-editor/id6633441176)

Enhance your writing with AI-powered tools. Create, edit, and optimize text for clarity, tone, and length. Offers features like summarization, translation, and idea generation.

**Highlights:** AI-powered text creation and editing, Inline editing with preview, Text summarization and expansion, Tone adjustment and proofreading, Translation to multiple languages, Idea generation for topics

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Core – Starter Pack | $0.49 | one-time |
| Giga – Advanced Pack | $2.79 | one-time |
| Cyber – Expert Pack | $3.99 | one-time |
| Unlock API Key | $8.99 | one-time |


## Frequently asked questions

### Is myCoolblue free?

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

### Is Rewrite Pro free?

Rewrite Pro costs $0.99, and also offers in-app purchases.

### Do myCoolblue or Rewrite Pro have ads?

Neither myCoolblue nor Rewrite Pro shows ads.

### Which is updated more often, myCoolblue or Rewrite Pro?

myCoolblue ships an update every 3 months, and Rewrite Pro fortnightly. Most recently, myCoolblue was updated on October 29, 2026 and Rewrite Pro on October 24, 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.*