Comparison

ClassCheck vs LessonOS

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

Head to head
About

ClassCheck

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Class Check is a modern attendance and class management app designed to make classroom check-in faster, simpler, and more organized. It streamlines attendance flows without adding friction. Key features * Quick attendance workflow * View active classes * Track enrolled classes * Class schedule for planning * β€œClass started” notifications Built for Teachers: manage classes, simplify attendance, and keep records organized Students: join classes quickly, view active sessions, and follow schedules Privacy-first approach Some operating systems may request BLE and Location permission; the app does not access GPS and does not collect, store, or track location data. You can view the Privacy Policy at: https://agenaict.com/privacy/classcheck-en Make attendance effortless with Class Check.

About

LessonOS

Features
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LessonOS is a simple, offline attendance and student management app for trainers, coaches, and small studios. Track class attendance, check students in with a single tap, schedule recurring classes, and manage credit packages β€” all on your iPhone, with no account and no internet required. Built for instructors who'd rather teach than fight a spreadsheet, LessonOS keeps your students, classes, and attendance organized in one fast, private app. WHO IT'S FOR β€’ Martial arts schools β€” kungfu, karate, taekwondo, BJJ, and judo dojos tracking student attendance and class credits β€’ Coaches and private tutors β€” sports, music, dance, and academic instructors managing class rosters β€’ Gyms and fitness studios β€” yoga, pilates, and personal training studios checking members into classes β€’ Any small training business that wants to replace a paper notebook or spreadsheet β€” without bloated, expensive studio software KEY FEATURES β€’ Student management β€” add, search, and organize students with status and per-student analytics β€’ Recurring class scheduling β€” set up weekly classes (e.g. Tue/Thu/Sat) and auto-generate every session β€’ One-tap check-in β€” tap to check students into a class, with undo for mistakes β€’ Attendance tracking β€” see who attended each class and keep an accurate roster β€’ Credit packages β€” sell class passes (10-class card, 20-class card) and deduct credits automatically β€’ Leave requests β€” record and approve student absences and make-up credits β€’ Attendance analytics β€” spot who's showing up and who's drifting away before they quietly stop coming β€’ CSV import & export β€” migrate from a spreadsheet in minutes β€’ Backup & restore β€” keep your data safe with iCloud backup β€’ 7 languages β€” English, Chinese, Japanese, Spanish, Malay, Indonesian, and French LESSONOS PRO β€’ Unlimited students, classes and credit packages β€’ Full analytics: 30- and 90-day trends, top attendees β€’ Backup & restore to iCloud β€’ CSV import and full data export β€’ Kiosk mode for front-desk self check-in β€’ Make-up credits for approved leaves β€’ Monthly or yearly with a 7-day free trial, or a one-time Lifetime purchase WHY LESSONOS β€’ Offline-first β€” works with no internet; your data stays on your device β€’ No account needed β€” open the app and start; no sign-up, no email, no password β€’ Free to start β€” up to 15 students, 3 classes and 1 credit package at no cost. Upgrade to LessonOS Pro (monthly or yearly, 7-day free trial) or buy Lifetime once and never pay again β€’ Private by design β€” your student data is stored locally, not held in someone else's cloud β€’ Fast and lightweight β€” built for trainers and instructors, not accountants Whether you run a martial arts dojo, coach a sports team, teach private music or dance lessons, or operate a small fitness studio, LessonOS gives you a clean, offline tool to manage students, take attendance, track check-ins, and sell class credits. Download LessonOS and bring order to your classes today. SUBSCRIPTION TERMS LessonOS Pro is available as a monthly or yearly auto-renewing subscription, with a 7-day free trial for new subscribers. Payment is charged to your Apple ID at confirmation of purchase (after the trial ends). Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Lifetime is a one-time purchase. Terms of Use: https://lessonos.app/terms.html Privacy Policy: https://lessonos.app/privacy.html

Screenshots

ClassCheck4 screens
LessonOS4 screens

Verdict

The call

The clearest difference is in-app purchases: ClassCheck at none against LessonOS's 4. ClassCheck also leads on iOS requirement (13.0 vs 17.0). LessonOS's advantage is update cadence (every 2 days vs weekly). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. LessonOS sells 4 in-app purchases, starting at $4.99 per month. ClassCheck asks for nothing beyond the download.

UpkeepUpdate frequency

ClassCheck ships an update weekly, LessonOS every 2 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

Scorecard3 real differences Β· 3 level
ClassCheck versus LessonOS: the parameters behind the verdict, then further details
ParameterClassCheckLessonOS
PriceFreeFree
Update frequencyWeeklyEvery 2 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS13.0 β€” better17.0
Further details β€” not scored
Size31 MB6 MB
Age rating4+4+
DeveloperAgena Bilisim ve Savunma Teknolojileri Anonim SirketiChumphon Jan Toolseram

In-app purchases

None

ClassCheck

No in-app purchases

4 purchases

LessonOS

Subscriptions2
  • LessonOS Pro Monthly7 Days trial$4.991 Month
  • LessonOS Pro Yearly7 Days trial$39.991 Year
One-time2
  • Business Unlock$29.99
  • Pro Lifetime$79.99

Questions

Is ClassCheck free?
ClassCheck is free to download, with no in-app purchases.
Is LessonOS free?
LessonOS is free to download, with in-app purchases available.
Do ClassCheck or LessonOS have ads?
Neither ClassCheck nor LessonOS shows ads.
Which is updated more often, ClassCheck or LessonOS?
ClassCheck ships an update weekly, and LessonOS every 2 days. Most recently, ClassCheck was updated on October 9, 2026 and LessonOS on October 24, 2026.

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