# Custom Interval Timers vs SimplyTimer

The clearest difference is ads: SimplyTimer at none against Custom Interval Timers's shown. SimplyTimer also leads on update cadence (every 2 days vs every 4 months) and monetization model (free vs ad-supported). Custom Interval Timers's advantage is ratings volume (14 vs 1). On price, rating, review sentiment and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Custom Interval Timers against 5.0 for SimplyTimer. That said, the two scores are not equally well evidenced: Custom Interval Timers has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of Custom Interval Timers's written reviews are positive against 94% of SimplyTimer's.

Custom Interval Timers ships an update every 4 months, SimplyTimer every 2 days. The most recent releases landed on October 5, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Custom Interval Timers | SimplyTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (14 ratings)](https://appshunter.io/ios/app/custom-interval-timers/id1552160706/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/simplytimer-interval-timer-app/id6475160260/reviews) |
| Number of ratings | **14** | 1 |
| Positive reviews | **100.0% of reviews** | 94.1% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Ad-supported | **Free** |
| Size | 40 MB | 23 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alex Rich](https://appshunter.io/developer/1030627712) | [Maurice-Nikita Rafael Reichert](https://appshunter.io/developer/1584695572) |

## 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


### SimplyTimer

[App page](https://appshunter.io/ios/app/simplytimer-interval-timer-app/id6475160260)

This minimalist app is designed to help you achieve your fitness goals with ease. It offers customizable intervals and background mode to keep your timer running smoothly. Enhance your training sessions and stay motivated with this efficient, distraction-free workout companion.

**Highlights:** Easy to use interface, Customizable intervals, Background timer mode, Supports HIIT, Tabata, Boxing, circuit training, Minimalist design

**Features:** macOS Compatibility

**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 SimplyTimer free?

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

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

Custom Interval Timers and SimplyTimer are both rated 5.0 out of 5 on the App Store, from 14 and 1 ratings respectively.

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

Custom Interval Timers shows ads; SimplyTimer does not.

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

Custom Interval Timers ships an update every 4 months, and SimplyTimer every 2 days. Most recently, Custom Interval Timers was updated on October 5, 2026 and SimplyTimer on September 23, 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.*