# Study Timer vs On the hour

The clearest difference is ads: On the hour at none against Study Timer's shown. Study Timer's advantage is update cadence (every 2 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Study Timer ships an update every 2 days, On the hour weekly. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Study Timer | On the hour |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/on-the-hour/id6753136689/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | — | Free |
| Size | 36 MB | 28 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryan Impey](https://appshunter.io/developer/1773084455) | [田丰 何](https://appshunter.io/developer/1674464316) |

## What reviewers say

### Study Timer

[App page](https://appshunter.io/ios/app/study-timer-focus-fish/id6745766537)

**Features:** macOS Compatibility

**In-app purchases:** none


### On the hour

[App page](https://appshunter.io/ios/app/on-the-hour/id6753136689)

This utility app provides a single, focused function: a chime that sounds precisely on the hour. It's designed for users who need a simple, reliable auditory reminder of passing time.

**Highlights:** Hourly chime notification, Simple, single-function design, Reliable timekeeping alert

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Study Timer free?

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

### Is On the hour free?

On the hour is free to download, with no in-app purchases.

### Do Study Timer or On the hour have ads?

Study Timer shows ads; On the hour does not.

### Which is updated more often, Study Timer or On the hour?

Study Timer ships an update every 2 days, and On the hour weekly. Most recently, Study Timer was updated on October 28, 2026 and On the hour on October 30, 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.*