# Reflex Factor vs Keep your reflexes

The clearest difference is ads: Reflex Factor at none against Keep your reflexes's shown. Keep your reflexes's advantage is update cadence (every 2 days vs every 12 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Reflex Factor ships an update every 12 months, Keep your reflexes every 2 days. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Reflex Factor | Keep your reflexes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 2 days** |
| Size | 29 MB | 5 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mutai Mwiti](https://appshunter.io/developer/1795008655) | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) |

## What reviewers say

### Reflex Factor

[App page](https://appshunter.io/ios/app/reflex-factor/id6741682766)

**Features:** macOS Compatibility

**In-app purchases:** none


### Keep your reflexes

[App page](https://appshunter.io/ios/app/keep-your-reflexes-flashfive/id6746483790)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reflex Factor free?

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

### Is Keep your reflexes free?

Keep your reflexes is free to download, with no in-app purchases.

### Do Reflex Factor or Keep your reflexes have ads?

Keep your reflexes shows ads; Reflex Factor does not.

### Which is updated more often, Reflex Factor or Keep your reflexes?

Reflex Factor ships an update every 12 months, and Keep your reflexes every 2 days. Most recently, Reflex Factor was updated on September 29, 2026 and Keep your reflexes on September 26, 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.*