# Kotofit vs Reaction Lab

The clearest difference is ratings volume: Kotofit at 40 against Reaction Lab's 1. On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Kotofit against 5.0 for Reaction Lab. That said, the two scores are not equally well evidenced: Kotofit has 40 ratings behind it against 1, so its average is the more settled of the two.

Kotofit ships an update fortnightly, Reaction Lab every 4 weeks. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Kotofit | Reaction Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (40 ratings)](https://appshunter.io/ios/app/kotofit/id6760775193/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/reaction-lab/id6784829225/reviews) |
| Number of ratings | **40** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | Ad-supported | Ad-supported |
| Size | 61 MB | 61 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kotofit Inc.](https://appshunter.io/developer/6815879542) | [PINGPOD INC](https://appshunter.io/developer/1624080489) |

## What reviewers say

### Kotofit

[App page](https://appshunter.io/ios/app/kotofit/id6760775193)

Book courts for badminton and pickleball, unlock facilities 24/7, and record instant replays of your best shots. Access professional-grade courts and book coaching sessions directly through the app.

**Highlights:** Book courts in seconds, Unlock facilities with your phone, Instant replay camera, Book pro coaching sessions, Access professional-grade courts, Find nearby clubs

**Features:** Apple Wallet

**In-app purchases:** none


### Reaction Lab

[App page](https://appshunter.io/ios/app/reaction-lab/id6784829225)

This app enhances athletic performance by optimizing visual processing, spatial awareness, and agility. It allows for seamless court booking, digital access to facilities, and provides detailed performance analytics through integrated technology.

**Highlights:** Instant court and session booking, Digital keyless facility access, 4K match replay viewing and sharing, Neurological development tracking, Millisecond-level reaction time monitoring, Seamless account and billing management

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Kotofit free?

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

### Is Reaction Lab free?

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

### Which has better reviews, Kotofit or Reaction Lab?

Kotofit and Reaction Lab are both rated 5.0 out of 5 on the App Store, from 40 and 1 ratings respectively.

### Do Kotofit or Reaction Lab have ads?

Both Kotofit and Reaction Lab show ads.

### Which is updated more often, Kotofit or Reaction Lab?

Kotofit ships an update fortnightly, and Reaction Lab every 4 weeks. Most recently, Kotofit was updated on October 8, 2026 and Reaction Lab on October 12, 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.*