# STRENGTH LAB vs Strength

The clearest difference is in-app purchases: Strength at none against STRENGTH LAB's 1. Strength also leads on update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. STRENGTH LAB sells 1 in-app purchase, starting at $250.00 per month. Strength asks for nothing beyond the download.

STRENGTH LAB ships an update every 6 weeks, Strength every 2 weeks. The most recent releases landed on June 11, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | STRENGTH LAB | Strength |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 52 MB | 32 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [JJB Enterprises, Inc.](https://appshunter.io/developer/1693425235) | [Shadow Agency](https://appshunter.io/developer/1789907104) |

## What reviewers say

### STRENGTH LAB

[App page](https://appshunter.io/ios/app/strength-lab/id6450482627)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Coaching | $250.00 | per month |


### Strength

[App page](https://appshunter.io/ios/app/strength-lab/id6773345317)

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

**In-app purchases:** none


## Frequently asked questions

### Is STRENGTH LAB free?

STRENGTH LAB is free to download, with in-app purchases available.

### Is Strength free?

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

### Do STRENGTH LAB or Strength have ads?

Neither STRENGTH LAB nor Strength shows ads.

### Which is updated more often, STRENGTH LAB or Strength?

STRENGTH LAB ships an update every 6 weeks, and Strength every 2 weeks. Most recently, STRENGTH LAB was updated on June 11, 2026 and Strength on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*