# Reaction Time vs RefleX

The clearest difference is ads: Reaction Time at none against RefleX's shown. Reaction Time also leads on device support (5 vs 2) and iOS requirement (15.6 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Reaction Time sells 1 one-off in-app purchase and RefleX sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Reaction Time ships an update every 2 months, RefleX monthly. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Reaction Time | RefleX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Size | 10 MB | 7 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KidDotCo](https://appshunter.io/developer/819246599) | [Thrijith Thankachan](https://appshunter.io/developer/1875172873) |

## What reviewers say

### Reaction Time

[App page](https://appshunter.io/ios/app/reaction-time-tap-zero-zero/id1090740861)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Can You Find The Cheese? | $1.99 | one-time |


### RefleX

[App page](https://appshunter.io/ios/app/reflex-brain-speed-test/id6759211260)

**Features:** Family Sharing

**In-app purchases (1)**

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


## Frequently asked questions

### Is Reaction Time free?

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

### Is RefleX free?

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

### Do Reaction Time or RefleX have ads?

RefleX shows ads; Reaction Time does not.

### Which is updated more often, Reaction Time or RefleX?

Reaction Time ships an update every 2 months, and RefleX monthly. Most recently, Reaction Time was updated on October 6, 2026 and RefleX 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.*