Comparison

MJ Trainer vs SevenCourts Scoreboards Admin

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

Head to head

SevenCourts Scoreboards Admin

Configure panels via Bluetooth

Free

🔧 Utilities

No ratingsView app →

About

MJ Trainer

Features

Read full description

It is a software to exercise exercise responsiveness, combined with exercise equipment, through Bluetooth connection, set up different exercise methods, so that the exercise becomes interesting and diverse, while exercising the user's reaction ability.

About

SevenCourts Scoreboards Admin

Features

Read full description

SevenCourts Scoreboards Admin is the official configuration tool for SevenCourts hardware panels — interactive digital infoboards designed for tennis, padel, and pickleball clubs. Connect to nearby panels over Bluetooth and manage their settings directly from your phone. No accounts, no cloud, no data collection — everything stays local between your device and the panel. WHAT YOU CAN DO • Scan and discover nearby SevenCourts panels via Bluetooth Low Energy • View device information: Panel ID, firmware version, hardware revision, and more • Configure WiFi: scan available networks, connect, forget saved networks, and check connection status • Monitor the panel's internet connectivity • Send diagnostic logs to SevenCourts support when you need help PRIVACY BY DESIGN The app communicates exclusively over Bluetooth. It does not collect personal data, does not require an account, and does not send information to external servers. REQUIREMENTS • iPhone or iPad running iOS 16 or later • Bluetooth Low Energy support Developed by SevenCourts GmbH. Questions? Contact support@sevencourts.com

Screenshots

MJ Trainer3 screens

SevenCourts Scoreboards Admin2 screens

Verdict

The call

The clearest difference is update cadence: SevenCourts Scoreboards Admin at every 3 days against MJ Trainer's every 2 months. MJ Trainer's advantage is iOS requirement (11.0 vs 16.0). 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

MJ Trainer ships an update every 2 months, SevenCourts Scoreboards Admin every 3 days. The most recent releases landed on October 19, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 4 level

MJ Trainer versus SevenCourts Scoreboards Admin: the parameters behind the verdict, then further details
Parameter	MJ Trainer	SevenCourts Scoreboards Admin
Price	Free	Free
Update frequency	Every 2 months	Every 3 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	11.0 — better	16.0
Further details — not scored
Size	13 MB	43 MB
Age rating	17+	4+
Developer	东莞市满佳电子科技有限公司	SevenCourts GmbH

In-app purchases

None

MJ Trainer

No in-app purchases

None

SevenCourts Scoreboards Admin

No in-app purchases

Questions

Is MJ Trainer free?

MJ Trainer is free to download, with no in-app purchases.

Is SevenCourts Scoreboards Admin free?

SevenCourts Scoreboards Admin is free to download, with no in-app purchases.

Do MJ Trainer or SevenCourts Scoreboards Admin have ads?

Neither MJ Trainer nor SevenCourts Scoreboards Admin shows ads.

Which is updated more often, MJ Trainer or SevenCourts Scoreboards Admin?

MJ Trainer ships an update every 2 months, and SevenCourts Scoreboards Admin every 3 days. Most recently, MJ Trainer was updated on October 19, 2026 and SevenCourts Scoreboards Admin on October 1, 2026.