Kata Calc vs Kumite Recorder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kata Calc
Read full descriptionHide full description
Kata Calc is an iPhone application to caluculate WKF (World Karate Federation) Karate Kata Competition in old rule (point system).
Kumite Recorder
Read full descriptionHide full description
Kumite Recorder records karate kumite matches on iPad and iPhone with a scoreboard overlay burned into the video—so you can review scores and footage together. 【Who it's for】 - Coaches and athletes who want match and practice footage with scores on screen - Anyone filming kumite from the side of the mat with an iPad in landscape 【Features】 ■ Recording - Landscape kumite recording (camera and microphone) - Scoreboard overlay (ippon, waza-ari, yuko, penalties, senshu) and match timer burned into the video - Drag score and record buttons to your preferred positions - Recording aspect ratio: 16:9 or 4:3 (Settings → Recording) ■ Playback & library - Thumbnail list of saved recordings - Playback speed control - Share to other apps ■ Settings - Scoreboard size and color theme - Control panel size - Default match duration - Japanese / English 【Free plan vs Pro】 Free plan - Recording: yes - Playback: latest 2 recordings only - Save to device: no Pro plan (monthly, auto-renewing) - Recording: yes - Playback: all recordings - Save to device (photo library): yes Subscribe or restore from Settings → Plan, or when tapping a locked recording. Manage or cancel anytime: Settings → Apple ID → Subscriptions on your device. Use "Restore purchases" to restore a previous subscription. 【Your data】 Recordings are stored on your device only (not uploaded to our servers). Deleting the app removes in-app recordings. Camera and microphone are used for recording. Photo library is used only for Pro save-to-device. No login is required (your Apple ID is used when purchasing or managing the subscription). 【Languages】 Japanese and English (switchable in the app) For feedback or to report issues, please contact us via the support page below. Support: https://note.com/morning_m/n/n7f9ed14ae67e Privacy Policy: https://note.com/morning_m/n/n46731a8e8c29 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Kata Calc at none against Kumite Recorder's 1. Kata Calc also leads on iOS requirement (9.3 vs 15.0). Kumite Recorder's advantage is update cadence (every 11 days vs every 7 months). 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
Both are free to download. Kumite Recorder sells 1 in-app purchase, starting at $0.99 per month. Kata Calc asks for nothing beyond the download.
Kata Calc ships an update every 7 months, Kumite Recorder every 11 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.
| Parameter | Kata Calc | Kumite Recorder |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.3 — better | 15.0 |
| Further details — not scored | ||
| Size | 2 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | okashige0319 | Tomoya Matsubara |
In-app purchases
Kata Calc
No in-app purchases
Kumite Recorder
- Kumite Recorder Pro$0.991 Month
Questions
Is Kata Calc free?
Is Kumite Recorder free?
Do Kata Calc or Kumite Recorder have ads?
Which is updated more often, Kata Calc or Kumite Recorder?
Other comparisons















