# Fast Reflex vs Senshin

The clearest difference is price: Senshin at Free against Fast Reflex's $0.99. Senshin also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 1). Fast Reflex's advantage is ratings volume (47 vs 1) and iOS requirement (11.0 vs 13.0). On ads and device support there is nothing between them.

Senshin is free to download; Fast Reflex costs $0.99 up front. Fast Reflex sells 1 one-off in-app purchase. Senshin asks for nothing beyond the download.

Senshin holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Fast Reflex has 47 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Fast Reflex | Senshin |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.5 (47 ratings)](https://appshunter.io/ios/app/fast-reflex-test-your-brain/id1426315814/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/senshin/id1503317475/reviews)** |
| Number of ratings | **47** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Paid | **Free** |
| Size | 76 MB | 16 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Radoslaw Kubas](https://appshunter.io/developer/1643306872) | [Bootchec LLC](https://appshunter.io/developer/1447481257) |

## What reviewers say

### Fast Reflex

[App page](https://appshunter.io/ios/app/fast-reflex-test-your-brain/id1426315814)

This game challenges your reaction speed and hand-eye coordination with precise testing down to a millionth of a second. Compete globally on leaderboards and explore unique tests to boost focus and dexterity.

**Highlights:** Precise reflex testing, Global leaderboards, Telepathy test, Enhances focus and dexterity, Simple interface, Quick mental exercises

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

**In-app purchases (1)**

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


### Senshin

[App page](https://appshunter.io/ios/app/senshin/id1503317475)

Experience a unique game controlled by your eyes or brainwaves. While eye control is accessible to all, brainwave control requires a Muse Headband for enhanced gameplay. Master the controls through calibration and training for an unparalleled entertainment experience.

**Highlights:** Eye-controlled gameplay, Brainwave control with Muse Headband, Focus-based character control, Multi-user support for brainwave control, Calibration and training system

**In-app purchases:** none


## Frequently asked questions

### Is Fast Reflex free?

Fast Reflex costs $0.99, and also offers in-app purchases.

### Is Senshin free?

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

### Which has better reviews, Fast Reflex or Senshin?

Senshin is rated higher. Fast Reflex averages 4.5 out of 5 from 47 ratings, while Senshin averages 5.0 from 1 ratings.

### Do Fast Reflex or Senshin have ads?

Neither Fast Reflex nor Senshin shows ads.

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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.*