STRAFFR vs KraftApp for Kieser Training
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STRAFFR
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.
- 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
Read full descriptionHide full description
STRAFFR: Your Smart Resistance Band Training App Discover a new standard in resistance band training with the STRAFFR app. Whether you’re training with a classic resistance band or the connected STRAFFR smart band, STRAFFR transforms your workout into a personalised, data-driven fitness experience. Features and Benefits Train Anywhere, Anytime Access over 100 resistance band exercises designed by physiotherapists and trainers to improve strength, flexibility, and mobility. Tailored Workouts Guided full-body workouts for all fitness levels, whether you’re using a traditional resistance band or the STRAFFR smart band. Smart Feedback With the STRAFFR smart band, receive real-time audio and visual coaching to refine technique, reduce injury risk, and maximise results. Seamless Integration Sync your progress with Apple Health and track performance using advanced analytics. Portable Fitness Turn your living room, park, or hotel room into a personal gym with minimal equipment. STRFAFFR combines proven training principles with cutting-edge digital technology to deliver a smarter, more effective resistance band workout. Start training now and experience the future of resistance band fitness with STRAFFR. TERMS OF USE https://shop.straffr.com/policies/terms-of-service PRIVACY POLICY https://shop.straffr.com/policies/privacy-policy
KraftApp for Kieser Training
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.
- Create and edit training plans
- Manage multiple plans
- Training mode for focus
- Track progress
- Cross-device syncing
- Export plans for trainers
Read full descriptionHide full description
Gone are the days of juggling paper training plans and clipboards. Plan, measure, and document your Kieser Training effortlessly using your smartphone. Benefit from the following features: * Create and edit your training plan * Manage multiple training plans simultaneously * Training mode, allowing you to focus on your workout * Track your training progress * Access your training plan across multiple smartphones * Export your training plan for discussions with your trainer We are keen to incorporate your desires and ideas. Let us know what you think of the app and share your suggestions at: https://getkraft.app/en
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | STRAFFR | KraftApp for Kieser Training |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 65.8% of reviews — better | 42.9% of reviews |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 93 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | STRAFFR GmbH | Sebastian Westhues |
Customer experience
STRAFFR
KraftApp for Kieser Training
In-app purchases
STRAFFR
- STRAFFR+14 Days trial$2.991 Month
- 6 Month STRAFFR+14 Days trial$19.996 Months
- 12 Monate STRAFFR+14 Days trial$29.991 Year
KraftApp for Kieser Training
- Supporter (1 Monat)$0.991 Month
- Supporter (6 Monate)$5.996 Months
- Supporter (12 Monate)$9.991 Year
Questions
Is STRAFFR free?
Is KraftApp for Kieser Training free?
Do STRAFFR or KraftApp for Kieser Training have ads?
Which is updated more often, STRAFFR or KraftApp for Kieser Training?
Other comparisons















