# Power Frail vs Vector

The clearest difference is review sentiment: Vector at 100% against Power Frail's 50%. Power Frail's advantage is in-app purchases (none vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Vector sells 3 in-app purchases, starting at $59.00 per month. Power Frail asks for nothing beyond the download.

Power Frail ships an update every 2 weeks, Vector weekly. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Power Frail | Vector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/vector-lab/id6758965403/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 58 MB | 47 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Universidad Castilla La Mancha](https://appshunter.io/developer/1573250101) | [ZOK Enterprises LLC](https://appshunter.io/developer/1835713465) |

## What reviewers say

### Power Frail

[App page](https://appshunter.io/ios/app/power-frail/id1573250099)

Assess muscle power and frailty in older adults with scientifically validated tools. Receive personalized recommendations for physical activity to improve health and functional capacity.

**Highlights:** Muscle power assessment (STS power test), Frailty assessment (FTS-5 test), Individualized exercise recommendations, Scientifically validated tools, Detects risk of falls and dependence

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

**In-app purchases:** none


### Vector

[App page](https://appshunter.io/ios/app/vector-lab/id6758965403)

This app transforms your phone into a biomechanical measurement tool for coaches and trainers. It allows for objective assessment of range of motion, tracks progress over time, and helps build structured client programs.

**Highlights:** Objective movement assessment, Range of motion measurement, Progress tracking over time, Structured client programs, Photo-based angle capture, Offline capability

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VectorLab Foundation | $59.00 | per month |
| VectorLab Adv | $99.00 | per month |
| VectorLab Pro | $179.00 | per month |


## Frequently asked questions

### Is Power Frail free?

Power Frail is free to download, with no in-app purchases.

### Is Vector free?

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

### Do Power Frail or Vector have ads?

Neither Power Frail nor Vector shows ads.

### Which is updated more often, Power Frail or Vector?

Power Frail ships an update every 2 weeks, and Vector weekly. Most recently, Power Frail was updated on October 15, 2026 and Vector on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*