# KraftApp for Kieser Training vs 4x4 Timer Interval Training

The clearest difference is review sentiment: KraftApp for Kieser Training at 43% against 4x4 Timer Interval Training's 0%. 4x4 Timer Interval Training's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KraftApp for Kieser Training sells 3 in-app purchases, starting at $0.99 per month. 4x4 Timer Interval Training asks for nothing beyond the download.

## The numbers

| Metric | KraftApp for Kieser Training | 4x4 Timer Interval Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/4x4-timer-interval-training/id6759710803/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **42.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 44 MB | 12 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Westhues Apps](https://appshunter.io/developer/1403359767) | [Kesem Solutions Pty Ltd](https://appshunter.io/developer/1751494198) |

## What reviewers say

### KraftApp for Kieser Training

[App page](https://appshunter.io/ios/app/kraftapp-for-kieser-training/id1499893838)

Manage your Kieser Training workouts digitally. Create, edit, and track your training plans, and access them across devices. Export your progress for trainer discussions.

**Highlights:** Create and edit training plans, Manage multiple plans, Training mode for focus, Track progress, Cross-device access, Export plans for trainers

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter (1 Monat) | $0.99 | per month |
| Supporter (6 Monate) | $5.99 | per 6 months |
| Supporter (12 Monate) | $9.99 | per year |


### 4x4 Timer Interval Training

[App page](https://appshunter.io/ios/app/4x4-timer-interval-training/id6759710803)

This app provides a simple, distraction-free interval timer for the Norwegian 4x4 training protocol. It guides users through 4 minutes of intense effort followed by 4 minutes of rest, repeated four times, to improve cardiovascular fitness and VO₂ max. The minimal interface ensures focus on the workout.

**Highlights:** Simple 4x4 interval timer, Clear ON/OFF phase guidance, Optional sound cues, Large, easy-to-read timer, Session progress tracking, Minimal interface

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

**In-app purchases:** none


## Frequently asked questions

### Is KraftApp for Kieser Training free?

KraftApp for Kieser Training is free to download, with in-app purchases available.

### Is 4x4 Timer Interval Training free?

4x4 Timer Interval Training is free to download, with no in-app purchases.

### Do KraftApp for Kieser Training or 4x4 Timer Interval Training have ads?

Neither KraftApp for Kieser Training nor 4x4 Timer Interval Training shows ads.

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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.*