# Interval Workout Fitness Timer vs Simple Timer

The clearest difference is in-app purchases: Interval Workout Fitness Timer at none against Simple Timer's 1. Interval Workout Fitness Timer also leads on ads (none vs shown) and device support (3 vs 1). Simple Timer's advantage is update cadence (every 4 days vs monthly). On price there is nothing between them.

Both are free to download. Simple Timer sells 1 one-off in-app purchase. Interval Workout Fitness Timer asks for nothing beyond the download.

Interval Workout Fitness Timer ships an update monthly, Simple Timer every 4 days. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Interval Workout Fitness Timer | Simple Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 64.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 24 MB | 51 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yudai Fukuda](https://appshunter.io/developer/1434814836) | [Takehiro Asano](https://appshunter.io/developer/1879775755) |

## What reviewers say

### Interval Workout Fitness Timer

[App page](https://appshunter.io/ios/app/interval-workout-fitness-timer/id1173257343)

This app provides an optimized interval timer for various training routines, including strength and trunk training. It offers essential features like voice countdowns, vibration alerts, and background operation to support your workouts. Customize your training sessions with simple or personalized timers.

**Highlights:** Simple and customizable timers, Voice countdowns, Vibration notifications, Background operation, Remaining time animation

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

**In-app purchases:** none


### Simple Timer

[App page](https://appshunter.io/ios/app/simple-timer-interval-timer/id6759607571)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Timer Pro | $4.99 | one-time |


## Frequently asked questions

### Is Interval Workout Fitness Timer free?

Interval Workout Fitness Timer is free to download, with no in-app purchases.

### Is Simple Timer free?

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

### Do Interval Workout Fitness Timer or Simple Timer have ads?

Simple Timer shows ads; Interval Workout Fitness Timer does not.

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

Interval Workout Fitness Timer ships an update monthly, and Simple Timer every 4 days. Most recently, Interval Workout Fitness Timer was updated on October 23, 2026 and Simple Timer on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*