# Custom Interval Timers vs IntervalFree

The clearest difference is ads: IntervalFree at none against Custom Interval Timers's shown. IntervalFree also leads on monetization model (free vs ad-supported). Custom Interval Timers's advantage is rating (5.0 vs 4.8) and device support (3 vs 1). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Custom Interval Timers holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 14 and 23 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Custom Interval Timers ships an update every 4 months, IntervalFree every 2 months. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Custom Interval Timers | IntervalFree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/custom-interval-timers/id1552160706/reviews)** | [4.8 (23 ratings)](https://appshunter.io/ios/app/intervalfree/id6759891915/reviews) |
| Number of ratings | 14 | **23** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 40 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alex Rich](https://appshunter.io/developer/1030627712) | [LIFEFLOW AI, LLC](https://appshunter.io/developer/1880544564) |

## What reviewers say

### 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


### IntervalFree

[App page](https://appshunter.io/ios/app/intervalfree/id6759891915)

This app provides a simple and fully customizable interval timer for workouts. It offers unlimited workout profiles, background support, and Live Activities for real-time progress tracking on your lock screen. Enjoy a completely free experience with no ads or paywalls.

**Highlights:** Unlimited workout profiles, Customizable action/break durations, Live Activities on Lock Screen, Background timer support, Multiple sound themes, Workout library with stats, Celebration screen upon completion

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

**In-app purchases:** none


## Frequently asked questions

### Is Custom Interval Timers free?

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

### Is IntervalFree free?

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

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

Custom Interval Timers is rated higher. Custom Interval Timers averages 5.0 out of 5 from 14 ratings, while IntervalFree averages 4.8 from 23 ratings.

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

Custom Interval Timers shows ads; IntervalFree does not.

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

Custom Interval Timers ships an update every 4 months, and IntervalFree every 2 months. Most recently, Custom Interval Timers was updated on October 5, 2026 and IntervalFree on October 8, 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.*