Free
About
Assess muscle power and frailty in older adults using validated chair and FTS-5 tests. Track progress, receive exercise recommendations, and monitor key health indicators with just your phone and a chair.
✓Sit-to-stand (STS) chair test
✓FTS-5 frailty test
✓Leg muscle power calculation
✓Risk of functional limitations assessment
✓Progress tracking for multiple users
✓Personalized exercise recommendations
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What's New in PowerFrail
2.5.0
November 11, 2026
In this version we have worked on the following improvements: - New automatic analysis engine that counts repetitions more accurately. - Up to 3 attempts per test, with a guided rest; the best one is kept. - New strategy and fatigability indicators. - Redesigned results: risk zone indicator and personalised recommendations. - Other new features: clearer pre-test screen, reminder before starting, the screen no longer turns off during the test, and "Report a problem".
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FAQ
What is PowerFrail?
PowerFrail is a medical app designed to assess muscle power and frailty in older adults using two validated tests: the sit-to-stand (STS) chair test and the FTS-5 frailty test. It helps users and professionals monitor key indicators for healthy aging.
How does the STS chair test work in PowerFrail?
The STS chair test in PowerFrail uses your phone's motion sensors to detect repetitions as you stand up and sit down from a stable chair. It calculates leg muscle power and provides guidance through video and spoken instructions.
What results can I get from PowerFrail?
PowerFrail provides results such as relative and allometric power, risk of functional limitations, percentile comparisons, and movement strategy analysis. It also offers exercise recommendations based on your test outcomes.
Can multiple people use PowerFrail on one device?
Yes, PowerFrail supports multiple users on a single device, allowing each individual to have their own test history and progress chart. This is ideal for families or care settings.
Is PowerFrail suitable for home use?
Yes, PowerFrail is designed for older adults who want to check and track their muscle power at home, requiring only a stable chair and a smartphone. It also serves as a tool for healthcare professionals.
What is the scientific basis for PowerFrail?
PowerFrail was developed by the GENUD Toledo Research Group and the Toledo Study for Healthy Aging, with its tests and algorithms derived from their published research on muscle power and frailty.
Does PowerFrail have ads?
No, PowerFrail does not contain advertisements. It is a free application focused on providing health assessment tools without commercial interruptions.
What devices is PowerFrail available on?
PowerFrail is available for iPhone, iPad, and iPod devices. It is designed for iOS users interested in monitoring their aging health metrics.
