# Develop Strength vs Body Lab System

The clearest difference is ads: Body Lab System at none against Develop Strength's shown. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Develop Strength | Body Lab System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/body-lab-system/id6761139653/reviews)** |
| Number of ratings | — | **8** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Free |
| Size | 91 MB | 159 MB |
| Requires iOS | **15** | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Develop Strength](https://appshunter.io/developer/1783443188) | [Nate Long Co LLC](https://appshunter.io/developer/1887943207) |

## What reviewers say

### Develop Strength

[App page](https://appshunter.io/ios/app/develop-strength/id6477240827)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Body Lab System

[App page](https://appshunter.io/ios/app/body-lab-system/id6761139653)

This app provides personalized workout programs and tracks your fitness journey. Monitor workouts, nutrition, habits, and measurements with coach support. Achieve goals with milestone badges and real-time messaging.

**Highlights:** Personalized workout programs, Workout and exercise video tracking, Meal and nutrition tracking, Daily habit monitoring, Goal setting and progress tracking, Real-time coach messaging, Body measurement and progress photo tracking, Wearable device integration

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Develop Strength free?

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

### Is Body Lab System free?

Body Lab System is free to download, with no in-app purchases.

### Do Develop Strength or Body Lab System have ads?

Develop Strength shows ads; Body Lab System does not.

### Which is updated more often, Develop Strength or Body Lab System?

Develop Strength ships an update every 3 months, and Body Lab System every 3 months. Most recently, Develop Strength was updated on September 9, 2026 and Body Lab System on September 19, 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.*