# Brain Tool Kit vs Fitlight

The clearest difference is price: Fitlight at Free against Brain Tool Kit's $17.99. Fitlight also leads on update cadence (fortnightly vs every 6 weeks). Brain Tool Kit's advantage is rating (4.3 vs 3.4) and review sentiment (86% vs 61%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Fitlight is free to download; Brain Tool Kit costs $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Brain Tool Kit holds the better App Store score, 4.3 against 3.4. Both are backed by a comparable volume of ratings — 6 and 15 respectively. Written reviews point the same way: 86% of Brain Tool Kit's written reviews are positive against 61% of Fitlight's.

Brain Tool Kit ships an update every 6 weeks, Fitlight fortnightly. The most recent releases landed on September 23, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | Brain Tool Kit | Fitlight |
| --- | --- | --- |
| Price | $17.99 | **Free** |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/brain-tool-kit/id1532827079/reviews)** | [3.4 (15 ratings)](https://appshunter.io/ios/app/fitlight/id1550620555/reviews) |
| Number of ratings | 6 | **15** |
| Positive reviews | **85.7% of reviews** | 61.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Paid | **Free** |
| Best chart rank | **#59** | — |
| Size | 64 MB | 172 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Rehab Lab Inc](https://appshunter.io/developer/1532827081) | [Fitlight Sports Corp.](https://appshunter.io/developer/1550620557) |

## What reviewers say

### Brain Tool Kit

[App page](https://appshunter.io/ios/app/brain-tool-kit/id1532827079)

**Currently charting:** #59 Top Paid · Health & Fitness (US App Store)

This app offers a suite of brain-training exercises utilizing eye movements, memory, and colored stimuli. It includes interactive tests for attention, concentration, and memory, with customizable settings for speed and duration.

**Highlights:** Eye movement exercises (gaze fixation, pursuits, OPK), Interactive Stroop test, Random letter display for word recall, Customizable speed and duration for activities, Target color options (green, red, blue), Improves attention, concentration, and working memory

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

**In-app purchases:** none


### Fitlight

[App page](https://appshunter.io/ios/app/fitlight/id1550620555)

Enhance sensory and motor skills with programmable lights and impact sensors. This app offers dynamic training frameworks for focus, reactivity, and cognitive enhancement. Customize protocols, track progress, and compete with others for a powerful training experience.

**Highlights:** Programmable motion and impact sensors, Dynamic learning framework, Enhance sensory and motor skills, Customizable training protocols, Data capture and cloud analytics, Track progress and set goals, Multi-player competition

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Tool Kit free?

Brain Tool Kit costs $17.99, with no in-app purchases.

### Is Fitlight free?

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

### Which has better reviews, Brain Tool Kit or Fitlight?

Brain Tool Kit is rated higher. Brain Tool Kit averages 4.3 out of 5 from 6 ratings, while Fitlight averages 3.4 from 15 ratings.

### Do Brain Tool Kit or Fitlight have ads?

Neither Brain Tool Kit nor Fitlight shows ads.

### Which is updated more often, Brain Tool Kit or Fitlight?

Brain Tool Kit ships an update every 6 weeks, and Fitlight fortnightly. Most recently, Brain Tool Kit was updated on September 23, 2026 and Fitlight on July 19, 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.*