# ACL Strong Training vs Ready Trainer One

The clearest difference is in-app purchases: ACL Strong Training at none against Ready Trainer One's 2. ACL Strong Training also leads on iOS requirement (16.6 vs 26.4). Ready Trainer One's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Ready Trainer One sells 2 in-app purchases, starting at $3.99 per month. ACL Strong Training asks for nothing beyond the download.

ACL Strong Training ships an update every 3 weeks, Ready Trainer One weekly. The most recent releases landed on September 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ACL Strong Training | Ready Trainer One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/acl-strong-training/id6670283808/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 49 MB | 20 MB |
| Requires iOS | **16.6** | 26.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Leslie Desrosiers](https://appshunter.io/developer/1571676050) | [Shift Human LLC](https://appshunter.io/developer/1858305202) |

## What reviewers say

### ACL Strong Training

[App page](https://appshunter.io/ios/app/acl-strong-training/id6670283808)

This app offers a step-by-step program to reduce knee pain, prevent injuries, and improve athletic performance. It provides easy-to-follow exercises with video and written instructions, weekly plans, and expert guidance from a physical therapist.

**Highlights:** Step-by-step knee pain relief program, Injury prevention exercises, Performance enhancement training, Video and written exercise instructions, Weekly progressive plans, Expert guidance from a Physical Therapist, Supportive online community

**Features:** Vision Pro support

**In-app purchases:** none


### Ready Trainer One

[App page](https://appshunter.io/ios/app/ready-trainer-one/id6775938743)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is ACL Strong Training free?

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

### Is Ready Trainer One free?

Ready Trainer One is free to download, with in-app purchases available.

### Do ACL Strong Training or Ready Trainer One have ads?

Neither ACL Strong Training nor Ready Trainer One shows ads.

### Which is updated more often, ACL Strong Training or Ready Trainer One?

ACL Strong Training ships an update every 3 weeks, and Ready Trainer One weekly. Most recently, ACL Strong Training was updated on September 30, 2026 and Ready Trainer One on October 31, 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.*