# チャイム vs Exam Countdown & Study Timer

The clearest difference is update cadence: Exam Countdown & Study Timer at every 2 weeks against チャイム's monthly. Exam Countdown & Study Timer also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

チャイム ships an update monthly, Exam Countdown & Study Timer every 2 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | チャイム | Exam Countdown & Study Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 46 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kouji kawai](https://appshunter.io/developer/1704486915) | [BEAK,K.K.](https://appshunter.io/developer/1808079760) |

## What reviewers say

### チャイム

[App page](https://appshunter.io/ios/app/id6746429529)

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

**In-app purchases:** none


### Exam Countdown & Study Timer

[App page](https://appshunter.io/ios/app/exam-countdown-and-study-timer/id6777218233)

This app simulates real exam conditions with an analog clock to help you practice time management. It displays the days remaining until your target exam and offers customizable study session timers. Prepare for your tests with realistic mock exams and stay motivated with a clear view of your progress.

**Highlights:** Analog clock simulation for mock exams, Countdown of days until target exams, Customizable subject presets for exam times, Remaining time display with optional hide, End notification sound, Portrait and landscape orientation support

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

**In-app purchases:** none


## Frequently asked questions

### Is チャイム free?

チャイム is free to download, with no in-app purchases.

### Is Exam Countdown & Study Timer free?

Exam Countdown & Study Timer is free to download, with no in-app purchases.

### Do チャイム or Exam Countdown & Study Timer have ads?

Both チャイム and Exam Countdown & Study Timer show ads.

### Which is updated more often, チャイム or Exam Countdown & Study Timer?

チャイム ships an update monthly, and Exam Countdown & Study Timer every 2 weeks. Most recently, チャイム was updated on October 5, 2026 and Exam Countdown & Study Timer on October 7, 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.*