Brain Changer App vs FUNCAP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Brain Changer App
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Brain Changer is an application for people who have had pain education in a clinic and want to harness that knowledge through a daily program. By using the app you will be able to recognise when your brain is escalating your status away from ‘safe’ and be prompted to counteract the danger signal with a stronger ‘safe’ signal. The app will also show your progress over time, helping identify patterns that you can use to re-calibrate your rehab program in consultation with your health care practitioners. How to use the app ============== Scoring - Record the Halos that are live for you right now. Use the slider to give each of them a weight out of 9 according to how safe they feel right now with 9 being the safest. Look for Halos in: - your mind - your body and - your environment. Zombies tab – Zombies lurk in the same place as Halos. Record the Zombies that are live for you right now. Use the slider to give each of them a weight out of 9 according to how dangerous they feel right now with 9 being the most dangerous in: - your mind - your body and - your environment. Margin of Safety - the difference between your total Halo score versus your total Zombie score is your Margin of Safety. The bigger the margin of safety, the safer you will be. Your margin of safety is automatically generated for you as a coloured smiley face. A green smiley face means you have a solid margin of safety (+10), an amber smiley face means you have a slim margin of safety (+1-9) and a red smiley face means you have no margin of safety. On the review tab you have the option to accept your margin or safety with the YES button or go back and scale up your safety with the NO button. Chart tab - here the graph shows you your Halos v Zombies scores over time. You can choose to see them over a day, week, month or all-time. Plan - Make a plan customized for your day, centered on the activities that are most important for you and those activities that are you are struggling with due to your pain. Use Activity Cards to assign the key activities for your day, and use Safety Cards to create a strategy for how optimize those activities while minimizing pain and the way it interferes with those activities. You can select pre-made Activity and Safety Cards, or create your own! Forms - The Brain Changer app is currently a part of the Brain Changer program, which is delivered by your coach, who is a clinician with expertise in chronic pain. The purpose of the forms if for your coach to gain insights into your pain, understand what the main contributors to your pain are, and what you can improve to recover from chronic pain.
FUNCAP
This app helps individuals diagnosed with ME/CFS self-evaluate and record their functional capacity. It uses questionnaires to assess various domains and can generate PDF reports, optionally including heart and movement metrics. Data is integrated with HealthKit and is not transferred elsewhere.
- ME/CFS functional capacity assessment
- FUNCAP55 and FUNCAP27 questionnaires
- PDF report generation
- Optional heart and movement metrics
- HealthKit integration
- Data privacy focused
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- For patients diagnosed with ME/CFS - Self-evaluate and record your FUNctional CAPacity - Assess your capacity using FUNCAP55 or FUNCAP27 by scoring questions across 8 domains, eg "being upright", "reactions to light and sound" - Create a PDF report that you can save or share - Optionally include recorded heart and movement metrics, averaged over the last month - The app does not transfer your data in any other way Integrated with HealthKit USE ONLY WITH THE ADVICE AND GUIDANCE OF YOUR PHYSICIAN OR RESEARCH TEAM. THE APP RECORDS THE USER'S OWN ASSESSMENT AND DOES NOT PROVIDE HEALTH GUIDANCE.
Screenshots
Verdict
The clearest difference is update cadence: Brain Changer App at every 2 weeks against FUNCAP's every 5 months. Brain Changer App also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Brain Changer App ships an update every 2 weeks, FUNCAP every 5 months. The most recent releases landed on May 16, 2026 and July 18, 2026 respectively.
| Parameter | Brain Changer App | FUNCAP |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 2 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 33 MB | 3 MB |
| Age rating | 12+ | 12+ |
| Developer | Goldilocks Zone Pty Ltd | David Davies-Payne |
In-app purchases
Brain Changer App
No in-app purchases
FUNCAP
No in-app purchases








