# Teu Cool vs Asteric

The clearest difference is update cadence: Asteric at every 3 months against Teu Cool's every 17 months. 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.

Teu Cool ships an update every 17 months, Asteric every 3 months. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Teu Cool | Asteric |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 months** |
| Size | 24 MB | 69 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [IDEA TECHNOLOGIES LLC](https://appshunter.io/developer/1619128117) | [ASTERIC LTDA](https://appshunter.io/developer/1826590878) |

## What reviewers say

### Teu Cool

[App page](https://appshunter.io/ios/app/teu-cool/id6451489893)

**Features:** macOS Compatibility

**In-app purchases:** none


### Asteric

[App page](https://appshunter.io/ios/app/asteric/id6748619594)

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

**In-app purchases:** none


## Frequently asked questions

### Is Teu Cool free?

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

### Is Asteric free?

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

### Do Teu Cool or Asteric have ads?

Neither Teu Cool nor Asteric shows ads.

### Which is updated more often, Teu Cool or Asteric?

Teu Cool ships an update every 17 months, and Asteric every 3 months. Most recently, Teu Cool was updated on September 9, 2026 and Asteric on September 21, 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.*