# PeakFitPro vs Shoulder App

The clearest difference is update cadence: Shoulder App at every 11 days against PeakFitPro's every 2 months. PeakFitPro's advantage is iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PeakFitPro ships an update every 2 months, Shoulder App every 11 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | PeakFitPro | Shoulder App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/peakfitpro/id1254156327/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 32 MB | 180 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chris Montanaro](https://appshunter.io/developer/617089119) | [Avicenna Research Inc.](https://appshunter.io/developer/1137173051) |

## What reviewers say

### PeakFitPro

[App page](https://appshunter.io/ios/app/peakfitpro/id1254156327)

This app, paired with specialized equipment, offers a revolutionary approach to strength training. Achieve significant gains in static strength in minimal time, with an emphasis on safety and efficiency for various fitness goals.

**Highlights:** Rapid strength gains (50-300% in 12 weeks), Minimal workout time (as little as 5 minutes/week), Enhanced safety compared to conventional lifting, Supports weight loss and muscle gain, Beneficial for bodybuilders, powerlifters, and athletes, Improves bone density for osteoporosis, Helps manage blood sugar for diabetics

**Features:** macOS Compatibility

**In-app purchases:** none


### Shoulder App

[App page](https://appshunter.io/ios/app/shoulder-app/id1575369463)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PeakFitPro free?

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

### Is Shoulder App free?

Shoulder App is free to download, with no in-app purchases.

### Do PeakFitPro or Shoulder App have ads?

Neither PeakFitPro nor Shoulder App shows ads.

### Which is updated more often, PeakFitPro or Shoulder App?

PeakFitPro ships an update every 2 months, and Shoulder App every 11 days. Most recently, PeakFitPro was updated on October 24, 2026 and Shoulder App on October 27, 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.*