# Workout Interval Timer vs Strong Fitness Training

The clearest difference is in-app purchases: Strong Fitness Training at none against Workout Interval Timer's 3. Strong Fitness Training also leads on update cadence (every 4 weeks vs every 4 months) and device support (4 vs 2). Workout Interval Timer's advantage is iOS requirement (13.0 vs 15.5). On price and ads there is nothing between them.

Both are free to download. Workout Interval Timer sells 3 in-app purchases, starting at $1.99 per month. Strong Fitness Training asks for nothing beyond the download.

Workout Interval Timer ships an update every 4 months, Strong Fitness Training every 4 weeks. The most recent releases landed on October 30, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Workout Interval Timer | Strong Fitness Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Size | 30 MB | 173 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Joaquin Arino](https://appshunter.io/developer/1781911667) | [Strong Fitness, LLC](https://appshunter.io/developer/1474133760) |

## What reviewers say

### Workout Interval Timer

[App page](https://appshunter.io/ios/app/workout-interval-timer-peak/id6738699642)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $1.99 | per month |
| Anual Premium Subscription | $9.90 | per year |
| Lifetime Premium | $29.99 | one-time |


### Strong Fitness Training

[App page](https://appshunter.io/ios/app/strong-fitness-training/id6753317413)

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Workout Interval Timer free?

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

### Is Strong Fitness Training free?

Strong Fitness Training is free to download, with no in-app purchases.

### Do Workout Interval Timer or Strong Fitness Training have ads?

Neither Workout Interval Timer nor Strong Fitness Training shows ads.

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

Workout Interval Timer ships an update every 4 months, and Strong Fitness Training every 4 weeks. Most recently, Workout Interval Timer was updated on October 30, 2026 and Strong Fitness Training on October 22, 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.*