# Interval Timer Alarm vs WatchPC

The clearest difference is in-app purchases: WatchPC at none against Interval Timer Alarm's 1. WatchPC also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Interval Timer Alarm sells 1 one-off in-app purchase. WatchPC asks for nothing beyond the download.

Interval Timer Alarm ships an update every 11 months, WatchPC every 8 months. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Interval Timer Alarm | WatchPC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (18 ratings)](https://appshunter.io/ios/app/interval-timer-alarm/id591668763/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 48.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 8 months** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 35 MB |
| Requires iOS | **15** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Double2 Network Technology Co., Ltd](https://appshunter.io/developer/475933194) |

## What reviewers say

### Interval Timer Alarm

[App page](https://appshunter.io/ios/app/interval-timer-alarm/id591668763)

This free productivity app provides customizable interval timers with repeating alarms and vibrations. It's designed for various uses like study sessions, interval training, and time management, ensuring continuous operation even on lock screens.

**Highlights:** Customizable interval timers, Repeating alarms and vibrations, Notes for each interval, Two sound types, Optional seconds count sound, Background operation

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### WatchPC

[App page](https://appshunter.io/ios/app/watchpc/id6757112170)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer Alarm free?

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

### Is WatchPC free?

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

### Do Interval Timer Alarm or WatchPC have ads?

Interval Timer Alarm shows ads; WatchPC does not.

### Which is updated more often, Interval Timer Alarm or WatchPC?

Interval Timer Alarm ships an update every 11 months, and WatchPC every 8 months. Most recently, Interval Timer Alarm was updated on November 1, 2026 and WatchPC on October 28, 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.*