# BrainEye vs PD Buddy App

The clearest difference is review sentiment: PD Buddy App at 100% against BrainEye's 52%. PD Buddy App also leads on rating (4.3 vs 3.3) and device support (4 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. BrainEye sells 2 in-app purchases, starting at $3.99 per month and PD Buddy App sells 7 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

PD Buddy App holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews point the same way: 52% of BrainEye's written reviews are positive against 100% of PD Buddy App's.

BrainEye ships an update every 5 weeks, PD Buddy App every 3 weeks. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | BrainEye | PD Buddy App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/braineye/id6444953603/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/pd-buddy-app/id6467559522/reviews)** |
| Number of ratings | 3 | **6** |
| Positive reviews | 52.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 132 MB | 146 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Neuro Optica Pty Ltd](https://appshunter.io/developer/1658057250) | [Good Vibes Technologies Ltd](https://appshunter.io/developer/1686529155) |

## What reviewers say

### BrainEye

[App page](https://appshunter.io/ios/app/braineye/id6444953603)

This app uses advanced eye movement tracking to assess brain performance and monitor overall well-being. It provides detailed reports and personalized insights to help users understand trends related to stress, fatigue, and other health factors.

**Highlights:** Eye movement tracking, Brain performance evaluation, Well-being monitoring, Health trend analysis, Detailed reporting, Personalized insights

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrainEye Monthly | $3.99 | per month |
| BrainEye Yearly | $29.90 | per year |


### PD Buddy App

[App page](https://appshunter.io/ios/app/pd-buddy-app/id6467559522)

This app offers a comprehensive approach to managing Parkinson's disease symptoms through personalized routines, exercise, diet, and meditation. It includes features for tracking progress, learning about new developments, setting medication reminders, and connecting with a supportive community and caregivers.

**Highlights:** Personalized exercise, diet, and meditation routines, Progress tracking and leaderboards, Daily learning section on Parkinson's research, Medication reminders and records, AI assistant for symptom management, Caregiver access and collaboration, Community chat and event finder

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDBuddy Premium | $4.99 | per month |
| PDBuddy Premium | $49.99 | per year |
| Support PD Buddy – $20 | $20.00 | one-time |
| Support PD Buddy – $40 | $40.00 | one-time |
| Support PD Buddy – $60 | $60.00 | one-time |
| Support PD Buddy – $100 | $100.00 | one-time |
| Support PD Buddy – $500 | $500.00 | one-time |


## Frequently asked questions

### Is BrainEye free?

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

### Is PD Buddy App free?

PD Buddy App is free to download, with in-app purchases available.

### Which has better reviews, BrainEye or PD Buddy App?

PD Buddy App is rated higher. BrainEye averages 3.3 out of 5 from 3 ratings, while PD Buddy App averages 4.3 from 6 ratings.

### Do BrainEye or PD Buddy App have ads?

Neither BrainEye nor PD Buddy App shows ads.

### Which is updated more often, BrainEye or PD Buddy App?

BrainEye ships an update every 5 weeks, and PD Buddy App every 3 weeks. Most recently, BrainEye was updated on October 8, 2026 and PD Buddy App on October 7, 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.*