# Numbers Reflex vs Reaction Training

The clearest difference is in-app purchases: Reaction Training at none against Numbers Reflex's 1. Numbers Reflex's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Numbers Reflex sells 1 one-off in-app purchase. Reaction Training asks for nothing beyond the download.

Numbers Reflex ships an update every 2 weeks, Reaction Training every 3 months. The most recent releases landed on October 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Numbers Reflex | Reaction Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Size | 5 MB | 26 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peter Li](https://appshunter.io/developer/424298074) | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) |

## What reviewers say

### Numbers Reflex

[App page](https://appshunter.io/ios/app/numbers-reflex/id1012179057)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Reaction Training

[App page](https://appshunter.io/ios/app/reaction-training-number/id1673299931)

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

**In-app purchases:** none


## Frequently asked questions

### Is Numbers Reflex free?

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

### Is Reaction Training free?

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

### Do Numbers Reflex or Reaction Training have ads?

Reaction Training shows ads; Numbers Reflex does not.

### Which is updated more often, Numbers Reflex or Reaction Training?

Numbers Reflex ships an update every 2 weeks, and Reaction Training every 3 months. Most recently, Numbers Reflex was updated on October 15, 2026 and Reaction Training on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*