# Engine Room Training vs Blink

The clearest difference is in-app purchases: Engine Room Training at none against Blink's 1. Engine Room Training also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Blink sells 1 one-off in-app purchase. Engine Room Training asks for nothing beyond the download.

## The numbers

| Metric | Engine Room Training | Blink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 51 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Shaping Change Ltd](https://appshunter.io/developer/1352298035) | [Justin Karsopawiro](https://appshunter.io/developer/1887844105) |

## What reviewers say

### Engine Room Training

[App page](https://appshunter.io/ios/app/engine-room-training/id6503290435)

**Features:** macOS Compatibility

**In-app purchases:** none


### Blink

[App page](https://appshunter.io/ios/app/blink-screen-break-timer/id6761258074)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blink Pro - Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Engine Room Training free?

Engine Room Training is free to download, with no in-app purchases.

### Is Blink free?

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

### Do Engine Room Training or Blink have ads?

Neither Engine Room Training nor Blink 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.*