# Interval Timer vs Custom Interval Timers

The clearest difference is in-app purchases: Custom Interval Timers at none against Interval Timer's 3. Custom Interval Timers also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 88%). Interval Timer's advantage is ads (none vs shown) and update cadence (every 11 days vs every 4 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $0.49 per month. Custom Interval Timers asks for nothing beyond the download.

Custom Interval Timers holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 12 and 14 respectively. Written reviews point the same way: 88% of Interval Timer's written reviews are positive against 100% of Custom Interval Timers's.

Interval Timer ships an update every 11 days, Custom Interval Timers every 4 months. The most recent releases landed on September 8, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | Interval Timer | Custom Interval Timers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (12 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-builder/id1545032846/reviews) | **[5.0 (14 ratings)](https://appshunter.io/ios/app/custom-interval-timers/id1552160706/reviews)** |
| Number of ratings | 12 | **14** |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 4 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 5 MB | 40 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Curtis Wichern](https://appshunter.io/developer/1545032848) | [Alex Rich](https://appshunter.io/developer/1030627712) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-builder/id1545032846)

This app helps you create and manage custom interval training workouts. It offers various templates, customization options for intervals, and clear visual cues during exercise. Workouts can be saved, shared, and synced across devices.

**Highlights:** Custom interval workout creation, Ladder and pyramid templates, HealthKit integration, Apple Watch app for heart rate and calories, Workout sharing via email/AirDrop, Large font and contrasting colors, Customizable audio and visual cues

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.49 | per month |
| Yearly Subscription | $2.99 | per year |
| Forever | $7.99 | one-time |


### Custom Interval Timers

[App page](https://appshunter.io/ios/app/custom-interval-timers/id1552160706)

Design personalized interval timers for workouts or productivity. Its intuitive editor allows for custom flows with various settings like countdowns and personalized interfaces. Offers light/dark modes and an option to disable ads.

**Highlights:** Customizable interval flows, Intuitive timer editor, Count up or down timers, Personalized running interface, Light/dark mode, Ad-free option

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is Custom Interval Timers free?

Custom Interval Timers is free to download, with no in-app purchases.

### Which has better reviews, Interval Timer or Custom Interval Timers?

Custom Interval Timers is rated higher. Interval Timer averages 4.6 out of 5 from 12 ratings, while Custom Interval Timers averages 5.0 from 14 ratings.

### Do Interval Timer or Custom Interval Timers have ads?

Custom Interval Timers shows ads; Interval Timer does not.

### Which is updated more often, Interval Timer or Custom Interval Timers?

Interval Timer ships an update every 11 days, and Custom Interval Timers every 4 months. Most recently, Interval Timer was updated on September 8, 2026 and Custom Interval Timers on August 24, 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.*