# Ultra Strong vs Kynetix Performance Lab

The clearest difference is update cadence: Kynetix Performance Lab at every 4 days against Ultra Strong's every 2 weeks. 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.

Ultra Strong ships an update every 2 weeks, Kynetix Performance Lab every 4 days. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Ultra Strong | Kynetix Performance Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ultra-strong/id6451003305/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 74 MB | 55 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PYRY JOHANNES LIUKKONEN](https://appshunter.io/developer/1696169555) | [Priyank Acharya](https://appshunter.io/developer/1611204666) |

## What reviewers say

### Ultra Strong

[App page](https://appshunter.io/ios/app/ultra-strong/id6451003305)

This app offers a smart system for runners to improve performance and prevent injuries. It integrates strength training, technique drills, mobility exercises, and intelligent running programming into personalized plans.

**Highlights:** Integrated strength, technique, and mobility training, Intelligent running programming, Goal-based training plans, Exercise demonstration videos, Run logging and progress tracking, Community support

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

**In-app purchases:** none


### Kynetix Performance Lab

[App page](https://appshunter.io/ios/app/kynetix-performance-lab/id6760827077)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ultra Strong free?

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

### Is Kynetix Performance Lab free?

Kynetix Performance Lab is free to download, with no in-app purchases.

### Do Ultra Strong or Kynetix Performance Lab have ads?

Neither Ultra Strong nor Kynetix Performance Lab shows ads.

### Which is updated more often, Ultra Strong or Kynetix Performance Lab?

Ultra Strong ships an update every 2 weeks, and Kynetix Performance Lab every 4 days. Most recently, Ultra Strong was updated on October 24, 2026 and Kynetix Performance Lab on October 5, 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.*