Classly combines attendance decisions, a weekly timetable, exams and student tasks. See how that differs from building the same system with a spreadsheet, calendar or general to-do app.
Checked 16 October 2026 · Based on the typical purpose of each tool category
This comparison describes a typical setup. A custom spreadsheet or specialized app may do more, but usually needs additional configuration.
| Capability |  Classly | Spreadsheet | Calendar or timetable | General to-do app |
|---|---|---|---|---|
| Attendance history by subject | Yes | Manual rows | Usually not | No |
| Different attendance target for each subject | Yes | Manual formulas | Usually not | No |
| How many classes you can safely miss | Automatic | Formula required | No | No |
| Simulate attending or missing future classes | Built in | Custom model | No | No |
| Daily and weekly timetable | Yes | Manual layout | Yes | Limited |
| Exams and assignments beside classes | Yes | Manual | Yes | Yes |
| To-do lists, subtasks, repeats and tags | Yes | Manual | Limited | Yes |
| Reminder before class and prompt to mark attendance | Yes | No | Reminder only | Manual setup |
| Works without a Classly account | Yes | Depends on tool | Depends on tool | Depends on tool |
| Ready without building a tracking system | Yes | No | For schedules | For tasks |
“Usually,” “limited” and “depends” acknowledge that products within a category vary. The comparison does not claim that every calendar, spreadsheet or to-do app behaves identically.
The right choice depends on whether you want a ready-made student workflow or enjoy assembling your own system.
You want attendance, timetable, exams and tasks to update together without maintaining formulas or duplicating your schedule.
You want complete control over columns, formulas and reports, and do not mind entering every change manually.
Your main goal is seeing where to be and when, especially if your schedule is already shared by a college or group.
Your work spans study, personal projects and other areas, and you primarily need flexible lists rather than class attendance.
Most tools can store a number or an event. Classly connects the number to the next decision: attend, miss, recover or adjust the plan.
Yes. Classly is free on iPhone, iPad and Android, with no ads.
For day-to-day subject attendance, targets, safe absences and recovery planning, yes. Keep your spreadsheet if it also contains grades, official records or institution-specific calculations that Classly does not manage.
No. Classly works without a Classly account. Core timetable and attendance data stays on your device unless you choose to export, sync or back it up.
Yes. Enter the classes held and attended so far for each subject, then continue marking new classes in Classly.
Free on iPhone, iPad and Android. Works offline and requires no Classly account.