# STRENGTH LAB vs KPcomposition Female

STRENGTH LAB and KPcomposition Female are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. STRENGTH LAB sells 1 in-app purchase, starting at $250.00 per month and KPcomposition Female sells 1 in-app purchase, starting at $100.00 per month. Whichever you choose, the download price is not the number that matters.

STRENGTH LAB ships an update every 6 weeks, KPcomposition Female every 5 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | STRENGTH LAB | KPcomposition Female |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 52 MB | 49 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [JJB Enterprises, Inc.](https://appshunter.io/developer/1693425235) | [Paige Martin](https://appshunter.io/developer/1763417250) |

## 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 |


### KPcomposition Female

[App page](https://appshunter.io/ios/app/kpcomposition-female/id6642657957)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Coaching | $100.00 | per month |


## Frequently asked questions

### Is STRENGTH LAB free?

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

### Is KPcomposition Female free?

KPcomposition Female is free to download, with in-app purchases available.

### Do STRENGTH LAB or KPcomposition Female have ads?

Neither STRENGTH LAB nor KPcomposition Female shows ads.

### Which is updated more often, STRENGTH LAB or KPcomposition Female?

STRENGTH LAB ships an update every 6 weeks, and KPcomposition Female every 5 weeks. Most recently, STRENGTH LAB was updated on October 27, 2026 and KPcomposition Female on October 25, 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.*