SBN CLASSES vs LessonOS
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
SBN CLASSES
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Get Personalized Learning Outcomes for everyone. An in-depth performance analysis, where you can know your strong and weak points, your all India rank, your state rank etc. You will also get a virtual tutor who is completely dedicated to bringing out the best in you. It will prioritize your concepts, chapters, topics, and questions through machine learning. Get this innovative learning experience only on SBN CLASSES!!
LessonOS
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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 a costly monthly subscription 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’ Multiple branches β manage more than one location or training center β’ 7 languages β English, Chinese, Japanese, Spanish, Malay, Indonesian, and French 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’ No subscription β free for up to 15 students, then a one-time unlock for unlimited. No monthly fees, ever 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.
Screenshots
Verdict
The clearest difference is update cadence: LessonOS at every 6 days against SBN CLASSES's every 2 months. SBN CLASSES's advantage is iOS requirement (15.5 vs 17.0). On price, ads, in-app purchases 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
Both are free to download. SBN CLASSES sells 10 one-off in-app purchases and LessonOS sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
SBN CLASSES ships an update every 2 months, LessonOS every 6 days. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.
| Parameter | SBN CLASSES | LessonOS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 6 days β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.5 β better | 17.0 |
| Further details β not scored | ||
| Size | 145 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Online Learning | Chumphon Jan Toolseram |
In-app purchases
SBN CLASSES
- Package - CE$199.99
- Package - CH$299.99
- Package - CI$349.99
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- Package - CJ$399.99
- Package - CK$449.99
- Package - CL$499.99
- Package - CM$599.99
- Package - CN$699.99
- Package - CO$799.99
- Package - CP$899.99
LessonOS
- Pro Unlock$14.99
- Business Unlock$29.99









