# STRAFFR vs KraftApp for Kieser Training

The clearest difference is ads: KraftApp for Kieser Training at none against STRAFFR's shown. STRAFFR's advantage is review sentiment (66% vs 43%). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. STRAFFR sells 3 in-app purchases, starting at $2.99 per month and KraftApp for Kieser Training sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | STRAFFR | KraftApp for Kieser Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/straffr/id1476383867/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **65.8% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 93 MB | 53 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [STRAFFR GmbH](https://appshunter.io/developer/1476383866) | [Sebastian Westhues](https://appshunter.io/developer/1403359767) |

## What reviewers say

### STRAFFR

[App page](https://appshunter.io/ios/app/straffr/id1476383867)

This app offers personalized, data-driven resistance band workouts. It provides over 100 exercises and guided routines for all fitness levels, with smart feedback for technique refinement when using a connected smart band. Progress can be synced with Apple Health.

**Highlights:** Personalized resistance band workouts, Over 100 exercises designed by professionals, Smart band integration for real-time feedback, Guided full-body routines for all levels, Apple Health sync and performance analytics, Portable fitness solution

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STRAFFR+ | $2.99 | per month |
| 6 Month STRAFFR+ | $19.99 | per 6 months |
| 12 Monate STRAFFR+ | $29.99 | per year |


### KraftApp for Kieser Training

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

Manage your Kieser Training workouts seamlessly on your smartphone. Create, edit, and track multiple training plans, and sync 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 syncing, Export plans for trainers

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

**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 |


## Frequently asked questions

### Is STRAFFR free?

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

### Is KraftApp for Kieser Training free?

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

### Do STRAFFR or KraftApp for Kieser Training have ads?

STRAFFR shows ads; KraftApp for Kieser Training does not.

### Which is updated more often, STRAFFR or KraftApp for Kieser Training?

STRAFFR ships an update every 2 months, and KraftApp for Kieser Training every 2 months. Most recently, STRAFFR was updated on November 3, 2026 and KraftApp for Kieser Training on November 3, 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.*