# Formula Calculator Alpha vs ClassBuddy

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.

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.

## The numbers

| Metric | Formula Calculator Alpha | ClassBuddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/classbuddy-class-schedule-app/id6799328440/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | — | Free |
| Size | 3 MB | 29 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [子宸 魏](https://appshunter.io/developer/1890054508) | [浩 周](https://appshunter.io/developer/1819508806) |

## What reviewers say

### Formula Calculator Alpha

[App page](https://appshunter.io/ios/app/formula-calculator-alpha/id6775855674)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### ClassBuddy

[App page](https://appshunter.io/ios/app/classbuddy-class-schedule-app/id6799328440)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Formula Calculator Alpha free?

Formula Calculator Alpha is free to download, with no in-app purchases.

### Is ClassBuddy free?

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

### Do Formula Calculator Alpha or ClassBuddy have ads?

Neither Formula Calculator Alpha nor ClassBuddy shows ads.

### Which is updated more often, Formula Calculator Alpha or ClassBuddy?

Formula Calculator Alpha ships an update every 9 days, and ClassBuddy every 4 days. Most recently, Formula Calculator Alpha was updated on September 25, 2026 and ClassBuddy on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*