# Interval Timer Alarm vs mod.Timer

The clearest difference is ads: mod.Timer at none against Interval Timer Alarm's shown. mod.Timer also leads on update cadence (every 3 weeks vs every 11 months). Interval Timer Alarm's advantage is iOS requirement (15 vs 18.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Interval Timer Alarm sells 1 one-off in-app purchase and mod.Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Interval Timer Alarm ships an update every 11 months, mod.Timer every 3 weeks. The most recent releases landed on October 12, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Interval Timer Alarm | mod.Timer |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 6 MB |
| Requires iOS | **15** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [SATOSHI NAGASAKA](https://appshunter.io/developer/1826446450) |

## 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 |


### mod.Timer

[App page](https://appshunter.io/ios/app/modtimer/id6749108204)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| mod.Timer Premium | $0.99 | one-time |


## Frequently asked questions

### Is Interval Timer Alarm free?

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

### Is mod.Timer free?

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

### Do Interval Timer Alarm or mod.Timer have ads?

Interval Timer Alarm shows ads; mod.Timer does not.

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

Interval Timer Alarm ships an update every 11 months, and mod.Timer every 3 weeks. Most recently, Interval Timer Alarm was updated on October 12, 2026 and mod.Timer on September 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.*