# Interval Randomizer vs Reaction Factory

The clearest difference is iOS requirement: Interval Randomizer at 18.2 against Reaction Factory's 26.0. 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.

## The numbers

| Metric | Interval Randomizer | Reaction Factory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reaction-factory/id6754994134/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | — | Free |
| Size | 6 MB | 24 MB |
| Requires iOS | **18.2** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hitfire Production AB](https://appshunter.io/developer/1517601288) | [Christian Toouli](https://appshunter.io/developer/1749224251) |

## What reviewers say

### Interval Randomizer

[App page](https://appshunter.io/ios/app/interval-randomizer-hiit/id6742220783)

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

**In-app purchases:** none


### Reaction Factory

[App page](https://appshunter.io/ios/app/reaction-factory/id6754994134)

Train your reflexes, focus, and timing with precision drills designed for athletes and high performers. Master every millisecond to improve speed and reaction under pressure.

**Highlights:** Reaction training drills, Focus enhancement, Timing improvement, Precision-based exercises, Simulates real-world pressure

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Randomizer free?

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

### Is Reaction Factory free?

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

### Do Interval Randomizer or Reaction Factory have ads?

Neither Interval Randomizer nor Reaction Factory 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.*