# Running Flexibility & Strength vs Train Smart Run Strong

The clearest difference is in-app purchases: Train Smart Run Strong at none against Running Flexibility & Strength's 11. Train Smart Run Strong also leads on ads (none vs shown). Running Flexibility & Strength's advantage is update cadence (monthly vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Running Flexibility & Strength sells 11 in-app purchases, starting at $0.99 per month. Train Smart Run Strong asks for nothing beyond the download.

Running Flexibility & Strength ships an update monthly, Train Smart Run Strong every 3 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Running Flexibility & Strength | Train Smart Run Strong |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/train-smart-run-strong/id6446182023/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 110 MB | 121 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Loyal Health & Fitness, Inc.](https://appshunter.io/developer/1088263310) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### Running Flexibility & Strength

[App page](https://appshunter.io/ios/app/running-flexibility-and-strength/id739501502)

Enhance your long-distance running performance with targeted strength and flexibility training. This app offers customized weekly workouts and HD instructional videos to build muscle stamina and power, helping you reduce race times. Enjoy audio guidance and motivating trainers for a comprehensive conditioning experience.

**Highlights:** Strength and conditioning for runners, Customized weekly workouts, HD instructional videos, Audio guidance from trainers, Offline workout access, Fitivity COACHING experience

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Fitivity Premium | $1.99 | per month |
| No ads for one month | $1.99 | per month |
| Yearly Subscription | $5.99 | per year |
| Yearly Subscription | $9.49 | per year |
| Entire Program - 5k Strength | $4.99 | one-time |
| Entire Program - Half Marathon | $4.99 | one-time |
| Entire Program - Marathon Strength | $4.99 | one-time |
| Entire Program - Runner Flexibility | $4.99 | one-time |
| Purchase levels of all programs | $9.99 | one-time |
| Lifetime Premium Subscription | $299.99 | one-time |


### Train Smart Run Strong

[App page](https://appshunter.io/ios/app/train-smart-run-strong/id6446182023)

This app offers strength training classes specifically designed for runners. Led by experts, the sessions provide educational insights into exercise benefits for runners and can be done at home with minimal equipment. Classes range from short mobility routines to advanced strength workouts.

**Highlights:** Strength training for runners, Expert-led classes, Home workouts with minimal equipment, Educational exercise benefits, Variety of class lengths, Mobility, warm-up, and cool-down options

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

**In-app purchases:** none


## Frequently asked questions

### Is Running Flexibility & Strength free?

Running Flexibility & Strength is free to download, with in-app purchases available.

### Is Train Smart Run Strong free?

Train Smart Run Strong is free to download, with no in-app purchases.

### Do Running Flexibility & Strength or Train Smart Run Strong have ads?

Running Flexibility & Strength shows ads; Train Smart Run Strong does not.

### Which is updated more often, Running Flexibility & Strength or Train Smart Run Strong?

Running Flexibility & Strength ships an update monthly, and Train Smart Run Strong every 3 months. Most recently, Running Flexibility & Strength was updated on October 24, 2026 and Train Smart Run Strong on October 12, 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.*