# Interval Timer Watch vs Eye Strain Guard

The clearest difference is price: Eye Strain Guard at Free against Interval Timer Watch's $0.99. Interval Timer Watch's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Eye Strain Guard is free to download; Interval Timer Watch costs $0.99 up front. Eye Strain Guard sells 3 in-app purchases, starting at $1.99 per 7 days. Interval Timer Watch asks for nothing beyond the download.

## The numbers

| Metric | Interval Timer Watch | Eye Strain Guard |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/eye-strain-guard-break-timer/id6752784106/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 10 months |
| Monetization | — | Ad-supported |
| Size | 1 MB | 27 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adi Khader](https://appshunter.io/developer/925553094) | [Afriwan Ahda](https://appshunter.io/developer/1330133888) |

## What reviewers say

### Interval Timer Watch

[App page](https://appshunter.io/ios/app/interval-timer-watch/id6475237369)

**Features:** Apple Watch app

**In-app purchases:** none


### Eye Strain Guard

[App page](https://appshunter.io/ios/app/eye-strain-guard-break-timer/id6752784106)

This app helps you protect your eyes during extended screen use by enforcing the 20-20-20 rule. It provides customizable timers and local notifications to remind you to look away at regular intervals. Track your progress with simple daily statistics.

**Highlights:** Customizable 20-20-20 timer, Local notifications, Auto-scheduling of reminders, 7-day statistics, Gentle sound and haptics, Privacy-focused, no login

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $1.99 | per 7 days |
| Monthly Premium Access | $4.99 | per month |
| Yearly Premium Access | $24.99 | per year |


## Frequently asked questions

### Is Interval Timer Watch free?

Interval Timer Watch costs $0.99, with no in-app purchases.

### Is Eye Strain Guard free?

Eye Strain Guard is free to download, with in-app purchases available.

### Do Interval Timer Watch or Eye Strain Guard have ads?

Eye Strain Guard shows ads; Interval Timer Watch does not.

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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.*