Crescent Keys vs MOVE!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Crescent Keys
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Jumpstart your notes with: - Video-timestamped notes - Multiple tags per note Never context-switch again, with the video and your notepad in the same space.
MOVE!
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Full-body motion capture with just your smartphone. Detailed posture and movement analysis in the palm of your hand. Estimate joint angles, center of mass, and ground reaction force — all visualized easily with a single device. Ideal for sports movement analysis, form evaluation, and balance assessment. No specialized equipment needed. Understand your motion through science. Key Features ・Motion capture via skeletal tracking ・Calculation of joint angles and angular velocities ・Estimation and visualization of center of mass movement ・Directional estimation of ground reaction force (GRF vector) ※Please Note For complex, high-speed movements, we recommend using an iPhone Pro model. Ensure a simple background and wear tight-fitting clothing that clearly outlines body contours during recording.
Screenshots
Verdict
The clearest difference is price: Crescent Keys at Free against MOVE!'s $19.99. Crescent Keys also leads on iOS requirement (11.0 vs 18.0). MOVE!'s advantage is update cadence (every 2 days vs fortnightly). On 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
Crescent Keys is free to download; MOVE! costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Crescent Keys ships an update fortnightly, MOVE! every 2 days. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.
| Parameter | Crescent Keys | MOVE! |
|---|---|---|
| Price | Free — better | $19.99 |
| Update frequency | Fortnightly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 9+ | 4+ |
| Developer | Quoc Dat Nguyen | TNQ Tech, Co. |
In-app purchases
Crescent Keys
No in-app purchases
MOVE!
No in-app purchases
