# Course Reminder vs GapClock

The clearest difference is update cadence: Course Reminder at every 2 weeks against GapClock's every 5 weeks. Course Reminder also leads on iOS requirement (15.6 vs 17.0). 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.

Course Reminder ships an update every 2 weeks, GapClock every 5 weeks. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Course Reminder | GapClock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 65 MB | 19 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [中强 邓](https://appshunter.io/developer/1560935538) | [铁 周](https://appshunter.io/developer/1703389665) |

## What reviewers say

### Course Reminder

[App page](https://appshunter.io/ios/app/course-reminder/id6752292486)

**In-app purchases:** none


### GapClock

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

**In-app purchases:** none


## Frequently asked questions

### Is Course Reminder free?

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

### Is GapClock free?

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

### Do Course Reminder or GapClock have ads?

Neither Course Reminder nor GapClock shows ads.

### Which is updated more often, Course Reminder or GapClock?

Course Reminder ships an update every 2 weeks, and GapClock every 5 weeks. Most recently, Course Reminder was updated on September 30, 2026 and GapClock on September 27, 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.*