Comparison

Project i vs ChironMotion Vision

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

Head to head
About

Project i

Features
Read full description

Project i,我哋相信每個人都應該可以盡情享受生活,不論身體嘅限制係咩。我哋嘅專業教練都係來自不同運動嘅港隊代表,善於結合健身、身體韌性同埋肌肉力量,幫助你喺你最鍾意嘅活動中表現得更好。我哋唔單止係幫你做運動,我哋仲會幫你克服身體限制,發揮你嘅最大潛力。 除了提供一系列私人教練訓練課程,亦會有團體班訓練課程,務求滿足客人不同運動的需求,並會制定合適嘅課堂內容,並持續跟進,務求達到最好的效果。而且上課時間很彈性,客户可自行在app內預約上課時間。 你有冇試過因為身體限制而無法完全享受你最鍾意嘅活動?可能你以前每個星期都會同朋友打籃球踢波,但家而家你發現自己身體唔夠力,無從入手去入分。或者你好想可以好型咁玩Wakesurf,但係發覺好難玩得好。 Project i,我哋相信每個人都應該可以盡情享受生活,不論身體嘅限制係咩。我哋嘅專業教練都係來自不同運動嘅港隊代表,善於結合健身、身體韌性同埋肌肉力量,幫助你喺你最鍾意嘅活動中表現得更好。我哋唔單止係幫你做運動,我哋仲會幫你克服身體限制,發揮你嘅最大潛力。 除了提供一系列私人教練訓練課程,亦會有團體班訓練課程,務求滿足客人不同運動的需求,並會制定合適嘅課堂內容,並持續跟進,務求達到最好的效果。而且上課時間很彈性,客户可自行在app內預約上課時間,十分方便。

About

ChironMotion Vision

Features
Read full description

ChironMotion Vison is an iOS application designed for structured jump-movement analysis using camera-based motion capture and on-device computation. The app supports three standard jump protocols: CMJ, SJ, and DJ. Users can create a personal profile, enter basic body information, and select the appropriate test protocol before each session. A built-in calibration process helps improve consistency before testing begins. During recording, the app captures movement through the camera and analyzes the jump sequence automatically. Key phases such as takeoff and landing are identified to support performance evaluation. The app calculates core biomechanics metrics, including jump height, flight time, RSI, and related movement indicators. Protocol-specific metrics are also presented to help users review jump quality in more detail. Results are displayed in a clear interface with summary cards and visual charts for easier interpretation. The app also supports offline video analysis for imported high-frame-rate footage. All analysis is performed locally on the device to help protect user privacy. ChironMotion Vison is intended for training, performance review, and educational reference, and is not designed for medical diagnosis or treatment. Terms of Use: https://chironmotion.vercel.app/#legal

Screenshots

Project i3 screens
ChironMotion Vision4 screens

Verdict

The call

The clearest difference is in-app purchases: Project i at none against ChironMotion Vision's 6. Project i also leads on update cadence (every 4 days vs every 6 weeks) and iOS requirement (13.0 vs 16.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ChironMotion Vision sells 6 in-app purchases, starting at $3.99 per month. Project i asks for nothing beyond the download.

UpkeepUpdate frequency

Project i ships an update every 4 days, ChironMotion Vision every 6 weeks. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 3 level
Project i versus ChironMotion Vision: the parameters behind the verdict, then further details
ParameterProject iChironMotion Vision
PriceFreeFree
Update frequencyEvery 4 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size247 MB40 MB
Age rating17+4+
Developer易系统科技有限公司Yi-Fu Chen

In-app purchases

None

Project i

No in-app purchases

6 purchases

ChironMotion Vision

Subscriptions6
  • Cam Monthly$3.991 Month
  • Cam+AI Monthly$4.991 Month
  • Lidar+AI monthly$5.991 Month
Show 3 more
  • Cam Yearly$39.991 Year
  • Cam+AI Yearly$49.991 Year
  • Lidar+AI yearly$59.991 Year

Questions

Is Project i free?
Project i is free to download, with no in-app purchases.
Is ChironMotion Vision free?
ChironMotion Vision is free to download, with in-app purchases available.
Do Project i or ChironMotion Vision have ads?
Neither Project i nor ChironMotion Vision shows ads.
Which is updated more often, Project i or ChironMotion Vision?
Project i ships an update every 4 days, and ChironMotion Vision every 6 weeks. Most recently, Project i was updated on October 1, 2026 and ChironMotion Vision on September 29, 2026.

Other comparisons