Wrist Motion Tracker vs Unfair
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wrist Motion Tracker
This application captures and logs motion data from your Apple Watch's sensors. It uploads the data to iCloud in a CSV format for easy analysis. A companion macOS app is required to retrieve and process the logged information.
- Apple Watch sensor data capture
- iCloud CSV data upload
- Health store authorization
- macOS companion app integration
- Research-focused data logging
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This app provides wrist motion tracking capability via capturing sensor data from the apple watch. This app pulls motion data directly from the watch's accelerometer and gyroscope sensors and uploads this directly to iCloud in CSV format (spreadsheet style). To begin recording, click "Start Log". The user is prompted to authorize health-store access, and once authorized, logging begins. Press "Stop log" to stop the recording, wrap the data into a file, and upload it to iCloud. This app works in conjunction with a macOS counterpart application that retrieves the files from the iCloud container, sorts by date and time of upload, and fetches each record to download to your computer. This app is developed and maintained by John Lawler and Cameron Burroughs, a research development team under Clemson University for use with tracking eating habits.
Unfair
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You already know what to take. But are you taking the right dose, at the right time, in the right combination? Most supplement apps are glorified shopping lists. Unfair is the protocol engine biohackers have been building in spreadsheets for years. PERSONALIZED FROM THE START Tell Unfair your goals, your sensitivities, and what you’re already taking. The recommendation engine analyzes your profile across 250+ supplements and returns stacks tailored to you, not generic “top 10” lists pulled from affiliate links. Focus, sleep, energy, longevity, immunity. Your protocol, your priorities. STACK BUILDING THAT MAKES SENSE Activate a recommended stack or build your own from the library. Set your dose windows. Configure on/off cycling. Unfair respects the way experienced biohackers actually run protocols, with real cycle cadence, not just “take 2 daily.” ONE-TAP DOSE LOGGING Your daily view shows exactly what to take right now. One tap logs the dose to your journal and Apple Health. Skip, snooze, or log. Every interaction takes less than a second. RUN REAL EXPERIMENTS This is where Unfair gets interesting. Pick a stack, set a baseline period, run an intervention phase, and track outcomes against Apple Health metrics like sleep, steps, active energy, and weight. The causal intelligence engine compares your phases and tells you whether to keep, drop, adjust timing, or run another cycle. Not vibes. Confidence intervals. 250+ SUPPLEMENT PROFILES Every entry includes dose guidance, safety data, interactions, contraindications, evidence grading, and WADA compliance status. This is research-grade data, structured for decisions, not marketing copy from the supplement industry. APPLE HEALTH INTEGRATION Unfair reads your sleep, steps, active energy, and weight data to ground your experiments in real biometrics. Dose logs write back to Apple Health so your health record stays complete. CYCLE-AWARE REMINDERS Notifications fire only on active cycle days, personalized to your stack and dose window. Quick actions let you log, snooze, or skip without opening the app. YOUR DATA STAYS ON YOUR DEVICE No cloud accounts. No data harvesting. Everything runs locally with SwiftData and on-device processing. Your supplement protocol is nobody’s business but yours. BUILT FOR BIOHACKERS Unfair is not a wellness app with pastel gradients telling you to “take your vitamins.” It is a precision tool for people who run structured protocols, track outcomes, and make decisions based on data. If you have ever maintained a supplement spreadsheet, this app was built for you. Free to use for stacks, dose logging, journal, and library search. Upgrade to Pro for advanced coaching, extended analytics, and premium features. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Unfair at every 2 weeks against Wrist Motion Tracker's every 3 months. Wrist Motion Tracker's advantage is iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and device support 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.
Wrist Motion Tracker ships an update every 3 months, Unfair every 2 weeks. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.
| Parameter | Wrist Motion Tracker | Unfair |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 1 MB | 67 MB |
| Age rating | 4+ | 17+ |
| Developer | Bite Technologies, LLC | Resonant |
In-app purchases
Wrist Motion Tracker
No in-app purchases
Unfair
No in-app purchases







