# Calvin Christian School vs Study Buddy Timer

The clearest difference is in-app purchases: Calvin Christian School at none against Study Buddy Timer's 1. Calvin Christian School also leads on iOS requirement (11.0 vs 17.5). Study Buddy Timer's advantage is ads (none vs shown) and update cadence (daily vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Study Buddy Timer sells 1 one-off in-app purchase. Calvin Christian School asks for nothing beyond the download.

Calvin Christian School ships an update every 5 months, Study Buddy Timer daily. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Calvin Christian School | Study Buddy Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/calvin-christian-school/id1481359578/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Daily** |
| Monetization | Ad-supported | — |
| Size | 34 MB | 10 MB |
| Requires iOS | **11.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Calvin Christian School of Escondido, Inc](https://appshunter.io/developer/1481359577) | [ZEC Inc.](https://appshunter.io/developer/1889726396) |

## What reviewers say

### Calvin Christian School

[App page](https://appshunter.io/ios/app/calvin-christian-school/id1481359578)

This app connects Christian families with their school for educational updates. Access calendars, latest messages, newsletters, and the grading portal. It aims to educate the whole child from a biblical worldview for Christ-centered service.

**Highlights:** School Calendars, Latest Messages, Newsletters, Grading Portal Access, Biblical Worldview Education

**Features:** macOS Compatibility

**In-app purchases:** none


### Study Buddy Timer

[App page](https://appshunter.io/ios/app/study-buddy-timer/id6764601072)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Study Buddy Pro | $2.99 | one-time |


## Frequently asked questions

### Is Calvin Christian School free?

Calvin Christian School is free to download, with no in-app purchases.

### Is Study Buddy Timer free?

Study Buddy Timer is free to download, with in-app purchases available.

### Do Calvin Christian School or Study Buddy Timer have ads?

Calvin Christian School shows ads; Study Buddy Timer does not.

### Which is updated more often, Calvin Christian School or Study Buddy Timer?

Calvin Christian School ships an update every 5 months, and Study Buddy Timer daily. Most recently, Calvin Christian School was updated on October 15, 2026 and Study Buddy Timer on October 11, 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.*