# Reaction Timer Game vs Inversion

The clearest difference is update cadence: Inversion at every 3 days against Reaction Timer Game's every 5 months. Reaction Timer Game's advantage is device support (6 vs 3). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Reaction Timer Game sells 2 one-off in-app purchases and Inversion sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Reaction Timer Game ships an update every 5 months, Inversion every 3 days. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Reaction Timer Game | Inversion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (71 ratings)](https://appshunter.io/ios/app/reaction-timer-game/id572319874/reviews)** | — |
| Number of ratings | **71** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 183 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple TV, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Coomer](https://appshunter.io/developer/1006451481) | [Isotopic Studios LTD](https://appshunter.io/developer/1835144995) |

## What reviewers say

### Reaction Timer Game

[App page](https://appshunter.io/ios/app/reaction-timer-game/id572319874)

Test your reflexes with this game where the goal is to stop a timer exactly on zero. It features multiple difficulty levels and quick rounds, making it perfect for playing anytime, anywhere, even offline.

**Highlights:** Stop timer exactly on zero, Multiple difficulty levels, Quick play rounds, Offline play supported, Single and multi-timer challenges

**Features:** Apple Watch app, iMessage stickers

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra Games | $0.49 | one-time |
| Nudges | $0.99 | one-time |


### Inversion

[App page](https://appshunter.io/ios/app/inversion-paradox/id6751603254)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Reaction Timer Game free?

Reaction Timer Game is free to download, with in-app purchases available.

### Is Inversion free?

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

### Do Reaction Timer Game or Inversion have ads?

Both Reaction Timer Game and Inversion show ads.

### Which is updated more often, Reaction Timer Game or Inversion?

Reaction Timer Game ships an update every 5 months, and Inversion every 3 days. Most recently, Reaction Timer Game was updated on September 21, 2026 and Inversion on September 23, 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.*