Comparison

BrainEye vs PD Buddy App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BrainEye

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
Read full description

All plans include a 3-day free trial! Try it free, cancel anytime. The BrainEye smartphone app is a Wellness Software intended to be used by lay users to measure eye movement to assist in evaluating brain performance, ensuring well-being and monitoring health. BrainEye leverages advanced eye movement tracking to measure accuracy and response time, offering a window into brain health. Since eye movement reflects brain function, these metrics can help you monitor brain health over time, helping you track performance and recognize trends linked to stress, fatigue, or other factors affecting your well-being. The app generates detailed reports that can be shared with healthcare providers as well as personalized insights, empowering you to manage and stay informed about your brain health. Important note: The BrainEye App is not intended to be used for the screening, prevention, diagnosis, treatment or rehabilitation of any health condition or disease. The BrainEye App is occasionally used in human research trials, all users involved in these trials will be formally asked for consent separately.

About

PD Buddy App

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
Read full description

PD Buddy is a friendly daily companion and healthcare report tool created for people living with Parkinson’s and the families who support them. It helps you stay active, build positive daily habits, and feel confident speaking up about your care so you can take the steering wheel rather than sitting in the passenger seat. Everything you need for your daily routine: - Living well with Parkinson’s is about the whole picture, from keeping moving to finding what works for your day to day life. - Targeted daily exercises: Easy to follow movement, voice, hands, and brain exercises backed by research, ready to adapt to whatever energy you have on the day. - Friendly medication reminders: Simple, reliable alerts so you never have to second guess your pill timings or how doses are settling. - Easy symptom tracking: A quick way to note how you are feeling, spot patterns, and get sensible tips to help manage tricky days. - Practical tips from real people: Dive into Hack PD to discover handy tricks, adaptations, and clever daily solutions shared and rated by others in the community. - Latest science in plain English: Catch up on trustworthy research, clinical trials, nutrition ideas, and helpful new tech without the confusing medical jargon. - Loop in your family: Easily share routines and progress with loved ones or carers so everyone stays on the same page. Walk into doctor visits feeling prepared and heard: Clinic visits can feel rushed, and trying to remember weeks of ups and downs in fifteen minutes is tough. PD Buddy brings your daily experiences together into a clear, smart report so you and your doctor can have a genuine conversation about what is working: - Connecting the dots: Brings together your smart wearables readings, logged symptoms, medication times, and daily habits to show the full story. - Clear clinic summaries: Turns all that background information into a simple summary your neurologist can glance at and understand straight away. - Ready made talking points: Gives you clear questions and highlights to raise, making it easy to steer the conversation around your medication timings and daily needs. - Apple Watch tracking: Automatically picks up movement patterns throughout the day, giving an objective look at tremor and dyskinesia while you simply get on with life. PD Buddy is here to help you organise your days, understand your body, and take an active lead in your health. Please note that PD Buddy is designed for self management and educational support, and does not replace medical advice from your healthcare team. Privacy Policy: https://pdbuddy.app/privacy.html Terms of Use: https://pdbuddy.app/terms.html

Screenshots

BrainEye4 screens
PD Buddy App4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
BrainEye versus PD Buddy App: the parameters behind the verdict, then further details
ParameterBrainEyePD Buddy App
PriceFreeFree
Rating3.3 (3 ratings)4.3 (6 ratings) — better
Positive reviews52.4% of reviews100.0% of reviews — better
Number of ratings36 — better
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhoneiPhone, iPad, iPod, Apple Watch — better
Requires iOS16.015.6 — better
Further details — not scored
Size132 MB146 MB
Age rating4+12+
DeveloperNeuro Optica Pty LtdGood Vibes Technologies Ltd

Customer experience

BrainEye

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews21 reviews
Positive52.4%
Neutral0.0%
Negative47.6%

PD Buddy App

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

BrainEye

Subscriptions2
  • BrainEye Monthly3 Days trial$3.991 Month
  • BrainEye Yearly3 Days trial$29.901 Year
7 purchases

PD Buddy App

Subscriptions2
  • PDBuddy Premium$4.991 Month
  • PDBuddy Premium$49.991 Year
One-time5
  • Support PD Buddy – $20$20.00
  • Support PD Buddy – $40$40.00
  • Support PD Buddy – $60$60.00
Show 2 more
  • Support PD Buddy – $100$100.00
  • Support PD Buddy – $500$500.00

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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