# GuardClock vs Study Timer

The clearest difference is iOS requirement: GuardClock at 16 against Study Timer's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. GuardClock sells 3 in-app purchases, starting at $0.99 per month and Study Timer sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | GuardClock | Study Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 9 MB | 25 MB |
| Requires iOS | **16** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [承玉 邓](https://appshunter.io/developer/1769970175) | [Sujeevan Nagarajah](https://appshunter.io/developer/1800859644) |

## What reviewers say

### GuardClock

[App page](https://appshunter.io/ios/app/guardclock-digit-countdown/id6717590194)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $0.99 | per month |
| 1 Year | $3.99 | per year |
| Lifetime | $4.99 | one-time |


### Study Timer

[App page](https://appshunter.io/ios/app/study-timer-studyecho/id6756872127)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StudyEcho Pro | $1.99 | per 7 days |
| StudyEcho Pro | $59.99 | per year |


## Frequently asked questions

### Is GuardClock free?

GuardClock is free to download, with in-app purchases available.

### Is Study Timer free?

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

### Do GuardClock or Study Timer have ads?

Neither GuardClock nor Study Timer shows ads.

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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.*