# SwitchedOn vs Interval Randomizer

The clearest difference is in-app purchases: Interval Randomizer at none against SwitchedOn's 8. SwitchedOn's advantage is update cadence (every 10 days vs monthly) and iOS requirement (15.5 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. SwitchedOn sells 7 in-app purchases, starting at $9.99 per month. Interval Randomizer asks for nothing beyond the download.

SwitchedOn ships an update every 10 days, Interval Randomizer monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SwitchedOn | Interval Randomizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (336 ratings)](https://appshunter.io/ios/app/switchedon-reaction-training/id1483352870/reviews)** | — |
| Number of ratings | **336** | — |
| Positive reviews | 91.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 6 MB |
| Requires iOS | **15.5** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [SwitchedOn LLC](https://appshunter.io/developer/1469840409) | [Hitfire Production AB](https://appshunter.io/developer/1517601288) |

## What reviewers say

### SwitchedOn

[App page](https://appshunter.io/ios/app/switchedon-reaction-training/id1483352870)

Enhance reaction time, agility, and decision-making with interactive cognitive-motor training drills. This app uses AI motion detection and customizable exercises to improve athletic performance, support rehabilitation, and boost overall fitness.

**Highlights:** AI Motion Detection for reaction time measurement, Customizable reaction training drills, Over 400 preset drills for sports and fitness, Build multi-device reaction light systems, Guided training programs, Improves reaction time, agility, and decision-making

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SOPRO - Monthly | $9.99 | per month |
| SwitchedOn Pro - Monthly 3 | $9.99 | per month |
| SwitchedOn PRO - Yearly | $99.99 | per year |
| SOPRO - Yearly | $99.99 | per year |
| SwitchedOn PRO - Yearly | $99.99 | per year |
| Hockey - Cognitive Agility | $149.99 | one-time |
| Hockey - Cognitive Agility | $299.99 | one-time |

**What reviewers like**

- 🚀 Excellent for reaction training
- 👍 Easy to use and create custom training
- 🚀 Versatile for all sports and ages
- 👍 Engaging and fun training experience
- 🚀 Improves cognitive skills and decision making

**What reviewers complain about**

- 🐛 Issues with the Sessions tab and navigation
- 🔒 Lack of ability to cancel subscription

**Reported bugs**

- Cognitive Agility program has a bug preventing users from accessing the next session
- App crashes and freezes for some users

**Requested features**

- Ability to save and share custom training sessions
- More tracking and logging features to monitor progress
- Offline mode to use the app without internet connection


### Interval Randomizer

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

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

**In-app purchases:** none


## Frequently asked questions

### Is SwitchedOn free?

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

### Is Interval Randomizer free?

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

### Do SwitchedOn or Interval Randomizer have ads?

Neither SwitchedOn nor Interval Randomizer shows ads.

### Which is updated more often, SwitchedOn or Interval Randomizer?

SwitchedOn ships an update every 10 days, and Interval Randomizer monthly. Most recently, SwitchedOn was updated on November 3, 2026 and Interval Randomizer on October 30, 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.*