Comparison

Judo Shiai Scoreboard vs JudoTimer Basic

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

Head to head
About

Judo Shiai Scoreboard

This app provides a digital scoreboard for judo competitions and practice sessions. It supports external display via TV or AirPlay and offers customizable fight durations and multiple rule sets.

Highlights
  • Full judo scoreboard
  • External screen display (TV/AirPlay)
  • Multiple rule sets (2025, 2018, etc.)
  • Customizable fight durations
  • Team match mode
  • Randori countdown
  • Choice of display themes
Features
Read full description

Judo Shiai turns your iPhone or iPad into a full judo scoreboard, and mirrors it to any TV or external screen so the whole mat can follow the contest. Whether in competition or in practice, Judo Shiai will quickly become your best companion on tatami. SCOREBOARD • Full judo scoreboard: ippon, waza-ari and shido, with the match clock and golden score handled for you. • A separate osaekomi timer, with hold durations you can adjust. • 2025, 2018, 2017, 2013 and 2010 rules, so you score the way you want. • Custom fight durations, from a school tournament to an international contest. • Team match mode for club and interclub competitions. • Four display themes, from IJF competition style to a high-contrast dark board. EXTERNAL SCREEN • Connect your device to a TV with a cable, or use AirPlay, for a full-screen scoreboard. • The board adapts to the screen it lands on, while the controls stay on your device. SYSTEM INTEGRATION • A Live Activity keeps the score and the clock on your Lock Screen and in the Dynamic Island. • Siri and Shortcuts start, pause and stop a match or a randori for you. RANDORI • Interval countdowns for practice: set the work and rest times once, then keep your eyes on the judoka. PREMIUM SUBSCRIPTION AND TERMS • The free version runs matches of up to 2 minutes, teams of 2 fighters and randori of up to 3 intervals, and shows the external scoreboard in demo mode. • Premium removes every limit, as a monthly or annual subscription, or as a one-time purchase for lifetime access. • Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period, and the renewal is charged within the 24 hours before that. Manage or cancel it in your Apple Account settings. • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

JudoTimer Basic

Features
Read full description

A simple, easy-to-use, and feature-rich judo timer. Functions change depending on the device orientation. Portrait: Training Program Timer (with ads) Landscape: Simple Match Timer ------------------------------------------------------------------------ Introduction and User Guide for iOS Version 1: https://youtu.be/_FoFjpiDiJU Updates through iOS Version 2.1.1: https://youtu.be/FuMekmNhsps Updates through iOS Version 3.1: https://youtu.be/tpvMUbI2osM Updates through iOS Version 5.3: https://youtu.be/5THtWacEMrY

Screenshots

Judo Shiai Scoreboard4 screens
JudoTimer Basic2 screens

Verdict

The call

The clearest difference is review sentiment: Judo Shiai Scoreboard at 90% against JudoTimer Basic's 0%. JudoTimer Basic's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (14 vs 17.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Judo Shiai Scoreboard ships an update every 4 months, JudoTimer Basic every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Judo Shiai Scoreboard versus JudoTimer Basic: the parameters behind the verdict, then further details
ParameterJudo Shiai ScoreboardJudoTimer Basic
PriceFreeFree
Rating5.0 (14 ratings) — better—
Positive reviews90.0% of reviews — better0.0% of reviews
Number of ratings14 — better—
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.014 — better
Further details — not scored
Size16 MB5 MB
Age rating+44+
DeveloperNicolas PralletMasanobu Takahashi

Customer experience

Judo Shiai Scoreboard

All ratings14 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive90.0%
Neutral0.0%
Negative10.0%

JudoTimer Basic

Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

Judo Shiai Scoreboard

No in-app purchases

None

JudoTimer Basic

No in-app purchases

Questions

Is Judo Shiai Scoreboard free?
Judo Shiai Scoreboard is free to download, with no in-app purchases.
Is JudoTimer Basic free?
JudoTimer Basic is free to download, with no in-app purchases.
Do Judo Shiai Scoreboard or JudoTimer Basic have ads?
Neither Judo Shiai Scoreboard nor JudoTimer Basic shows ads.
Which is updated more often, Judo Shiai Scoreboard or JudoTimer Basic?
Judo Shiai Scoreboard ships an update every 4 months, and JudoTimer Basic every 3 weeks. Most recently, Judo Shiai Scoreboard was updated on October 24, 2026 and JudoTimer Basic on October 30, 2026.

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