# Simple Circuit Interval Timer vs Interval Timer

The clearest difference is ads: Simple Circuit Interval Timer at none against Interval Timer's shown. Simple Circuit Interval Timer also leads on update cadence (every 5 days vs every 2 months) and review sentiment (100% vs 84%). On price, in-app purchases, monetization model and device support there is nothing between them.

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

Simple Circuit Interval Timer ships an update every 5 days, Interval Timer every 2 months. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Simple Circuit Interval Timer | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (246 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692/reviews)** |
| Number of ratings | — | **246** |
| Positive reviews | **100.0% of reviews** | 83.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 113 MB | 12 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Timothy Shepherd](https://appshunter.io/developer/1479749822) | [Yosyp Hameliak](https://appshunter.io/developer/895008826) |

## What reviewers say

### Simple Circuit Interval Timer

[App page](https://appshunter.io/ios/app/simple-circuit-interval-timer/id1505323062)

This app provides customizable interval timers for HIIT, circuit training, and yoga. It also features a daily plank challenge to build core strength at home without equipment. Enjoy stunning visuals and offline workout capabilities.

**Highlights:** Customizable interval timers, HIIT, circuit, and Tabata support, Daily plank challenge, Offline workout capability, Customizable themes and layouts, REP meter for pace tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Circuit Trainer: Pro | $1.99 | one-time |


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692)

This interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

**Highlights:** Customizable work and rest periods, Set number of sets and rounds, Background operation support, Music playback compatibility, Apple Watch integration, Heart rate monitoring (Apple Watch)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Simple Circuit Interval Timer free?

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

### Is Interval Timer free?

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

### Do Simple Circuit Interval Timer or Interval Timer have ads?

Interval Timer shows ads; Simple Circuit Interval Timer does not.

### Which is updated more often, Simple Circuit Interval Timer or Interval Timer?

Simple Circuit Interval Timer ships an update every 5 days, and Interval Timer every 2 months. Most recently, Simple Circuit Interval Timer was updated on October 4, 2026 and Interval Timer on October 15, 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.*