# Interval Workout Fitness Timer vs SuperSlowTrainingTimer

The clearest difference is review sentiment: SuperSlowTrainingTimer at 100% against Interval Workout Fitness Timer's 64%. Interval Workout Fitness Timer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. SuperSlowTrainingTimer 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, SuperSlowTrainingTimer every 3 weeks. The most recent releases landed on September 10, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | Interval Workout Fitness Timer | SuperSlowTrainingTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/superslowtrainingtimer/id1611303827/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 64.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 12 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yudai Fukuda](https://appshunter.io/developer/1434814836) | [KENICHI YAMAMOTO](https://appshunter.io/developer/1335325739) |

## 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


### SuperSlowTrainingTimer

[App page](https://appshunter.io/ios/app/superslowtrainingtimer/id1611303827)

This app guides you through slow training exercises with voice and screen prompts for lifting, holding, and lowering. Create custom training menus with adjustable repetitions, sets, and intervals. Supports background operation and dark mode for convenient use during workouts.

**Highlights:** Voice and screen counting for movements, Customizable training menus, Adjustable reps, sets, and intervals, Background operation support, Dark mode display, Silent mode operation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADs | $3.99 | 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 SuperSlowTrainingTimer free?

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

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

SuperSlowTrainingTimer shows ads; Interval Workout Fitness Timer does not.

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

Interval Workout Fitness Timer ships an update monthly, and SuperSlowTrainingTimer every 3 weeks. Most recently, Interval Workout Fitness Timer was updated on September 10, 2026 and SuperSlowTrainingTimer on June 2, 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.*