JumpEye vs skatescore
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JumpEye
This app analyzes vertical jump height by calculating flight time using your device's high-speed camera. Record or import videos, mark takeoff and landing frames, and get an automatic jump height calculation. It also offers a Rebound Jump Index for continuous jumping analysis.
- Vertical jump height calculation
- Flight time measurement
- High-speed camera integration
- Video import from Photo Library
- Manual frame marking (takeoff/landing)
- Rebound Jump Index calculation
- Automatic file naming and editing
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JUMP EYE ◆Attention on using slow videos in the camera roll◆ The playback speed of slow videos saved in the camera roll will be edited to normal speed forcibly instead of slow at the beginning and the end of the video. If you load the video as it is, the playback speed at the beginning and end of the video will not be slow in JumpEye as well, so you will not be able to measure the video accurately. To fix this issue, go to the Photos app, select the video you want to import and tap the Edit button in the upper right corner of the playback screen. The barcode white lines displayed at the bottom of the video on the edit screen will be narrower at the left and right edges than at the center. By widening the spacing between the rightmost and leftmost white lines, you can slow down the playback speed of all of your videos. After editing, please load the video in JumpEye for measurement. In addition, if you can not start the camera application in JumpEye, please open the settings application and search "JumpEye" in the search window. Tap "JumpEye" in the search results, you will go to the privacy settings screen of JumpEye. After that, please give permission for all photos, microphone, camera. □General Information□ JUMP EYE has been developed to calculate the vertical jump height by using the flight time. Use your iPhone's high-speed camera to measure the flight time during a vertical jump. □Procedure□ 1. Open JUMP EYE and adjust the camera’s focus on an athlete's feet. 2. Simply record videos of a vertical jump using Slo-Mo (120/240 fps) or import the ones you want from the Photo Library. 3. Once we playback the video, we have to then manually go through frame by frame to identify and mark the takeoff and landing frames (press “start” and “stop”). 4. The formula then automatically calculates the duration of the flight and the jump height. □Main characteristics□ ・Videos are given an automatic file name (hh:mm:ss), which can be edited by holding down on the icon for one second, then we can rename or delete the file. ・After marking the frames, the jump height is automatically labelled after the file name. ・You can also import movies from the Photo Library. ・Manual focus makes feet and floor easily identifiable and precise. ・You can playback the movie in 3 ways (manual slider, frame by frame, and 10 frame mode). ・The pinch-to-zoom feature is available. ・The Rebound Jump Index (RJI) can be calculated by continuous jumping (press “RJindex”). □Note□ The equation to calculate jump height is justified only if the center of mass height is the same at takeoff and landing. Therefore, if you land on the ground in a crouched position, your jump height will be overestimated.
skatescore
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skatescoreは、フィギュアスケート(シングル)の練習向けに、プログラム構成の作成・比較・概算得点計算を素早く行えるアプリです。 【できること】 ジャンプ/スピン/ステップの要素追加と並び替え TES/PCS/減点/Totalのリアルタイム表示 複数案の比較と差分確認(Premium) 得点の記録 【こんな人におすすめ】 練習で構成を短時間で決めたい選手 複数案の比較を効率化したいコーチ 【Premium】 広告非表示 比較機能の解放 複数構成案(A/B/C...)の作成・切替 利用規約(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ プライバシーポリシー: https://sleepy-ceiling-179.notion.site/skatescore-300bcb0fb718800e9077e720fec19173?source=copy_link ※本アプリは練習向けの概算計算ツールです。公式採点結果を保証するものではありません。
Screenshots
Verdict
The clearest difference is price: skatescore at Free against JumpEye's $2.99. skatescore also leads on update cadence (every 3 days vs every 2 months). JumpEye's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement 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
skatescore is free to download; JumpEye costs $2.99 up front. skatescore sells 2 in-app purchases, starting at $2.99 per month. JumpEye asks for nothing beyond the download.
JumpEye ships an update every 2 months, skatescore every 3 days. The most recent releases landed on September 22, 2026 and September 7, 2026 respectively.
| Parameter | JumpEye | skatescore |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.7 (3 ratings) — better | — |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | 株式会社S-CADE | Shota Yamamoto |
In-app purchases
JumpEye
No in-app purchases
skatescore
- 月額500円$2.991 Month
- 年額5,000円$29.991 Year









