PDMS vs MotionLink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDMS
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Power Data Management for Department Of Hydropower And Power Systems Bhutan
MotionLink
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MotionLink was built as a head tracking tool. Transform your AirPods Pro into a professional motion tracking system. Capture precise head rotation data (yaw, pitch, roll) for development, research, and analysis. Key Features: Real-time head tracking with accurate degree measurements. CSV recording with timestamps for data analysis. Data export via email or Files app. Posture and mobility analysis features. 3D visualization of head movements. Perfect For: VR/AR developers testing motion interactions. Researchers studying human movement patterns. Physical therapists monitoring patient progress. Sports coaches analyzing athlete performance. Requires AirPods with H1/H2 chip and iOS 16.0+.
Screenshots
Verdict
PDMS and MotionLink are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | PDMS | MotionLink |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.2 — better | 16.0 |
| Further details — not scored | ||
| Size | 141 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | G2C Office, Royal Government of Bhutan | Maker Portal LLC |
In-app purchases
PDMS
No in-app purchases
MotionLink
No in-app purchases
