# GapClock vs Exam Countdown & Study Timer

The clearest difference is ads: GapClock at none against Exam Countdown & Study Timer's shown. Exam Countdown & Study Timer's advantage is update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (15.0 vs 17.0). On price, 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.

GapClock ships an update every 5 weeks, Exam Countdown & Study Timer every 2 weeks. The most recent releases landed on September 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | GapClock | Exam Countdown & Study Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 46 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [铁 周](https://appshunter.io/developer/1703389665) | [BEAK,K.K.](https://appshunter.io/developer/1808079760) |

## What reviewers say

### GapClock

[App page](https://appshunter.io/ios/app/gapclock/id6756352171)

**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 GapClock free?

GapClock 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 GapClock or Exam Countdown & Study Timer have ads?

Exam Countdown & Study Timer shows ads; GapClock does not.

### Which is updated more often, GapClock or Exam Countdown & Study Timer?

GapClock ships an update every 5 weeks, and Exam Countdown & Study Timer every 2 weeks. Most recently, GapClock was updated on September 27, 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.*