Formula Calculator Alpha vs ClassBuddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Formula Calculator Alpha
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Turn your Apple Watch into a powerful mathematical canvas. Formula Grapher is a fully independent graphing calculator meticulously designed for watchOS, allowing you to plot, explore, and analyze complex equations anytime, anywhere—without taking out your phone. Perfect for students, engineers, and math enthusiasts.
ClassBuddy
Organize your academic life with this intuitive schedule planner. Easily import your timetable from various sources, receive timely reminders, and view your schedule on widgets and Apple Watch. Stay on top of your classes with cloud sync and shared schedule options.
- Multiple timetable import options
- Today view and weekly schedule
- Class reminders and Home Screen widgets
- Apple Watch schedule display
- Cloud sync and shared schedules
- Ad-free interface
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ClassBuddy is a clean, ad-free class schedule for students, teachers, and families. Build your timetable from an image, a supported school system, a calendar file, or by adding classes manually. Follow rotating weeks, see what is next, and keep your schedule available on widgets and Apple Watch. Highlights: • Multiple timetable import options • Today view, weekly schedule, and multiple timetables • Class reminders, Home Screen widgets, and Live Activities • Apple Watch schedule at a glance • Cloud sync and shared schedules • A focused, ad-free interface Some import, sync, and smart recognition features require an internet connection.
Screenshots
Verdict
The clearest difference is update cadence: ClassBuddy at every 4 days against Formula Calculator Alpha's every 9 days. ClassBuddy also leads on iOS requirement (15.0 vs 26.2). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Formula Calculator Alpha ships an update every 9 days, ClassBuddy every 4 days. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.
| Parameter | Formula Calculator Alpha | ClassBuddy |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 9 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 26.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | 子宸 魏 | 浩 周 |
In-app purchases
Formula Calculator Alpha
No in-app purchases
ClassBuddy
No in-app purchases
Questions
Is Formula Calculator Alpha free?
Is ClassBuddy free?
Do Formula Calculator Alpha or ClassBuddy have ads?
Which is updated more often, Formula Calculator Alpha or ClassBuddy?
Other comparisons
