# Stretch Studios vs Pump!Lab · Know Your Score

The clearest difference is in-app purchases: Stretch Studios at none against Pump!Lab · Know Your Score's 2. Pump!Lab · Know Your Score's advantage is ads (none vs shown) and update cadence (every 4 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Pump!Lab · Know Your Score sells 2 in-app purchases, starting at $5.99 per month. Stretch Studios asks for nothing beyond the download.

Stretch Studios ships an update monthly, Pump!Lab · Know Your Score every 4 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Stretch Studios | Pump!Lab · Know Your Score |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (14 ratings)](https://appshunter.io/ios/app/pumplab-know-your-score/id6760952297/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 154 MB | 262 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [On Purpose Fitness, LLC](https://appshunter.io/developer/1688528950) | [Pumplab Studios, LLC](https://appshunter.io/developer/1886984218) |

## What reviewers say

### Stretch Studios

[App page](https://appshunter.io/ios/app/stretch-studios/id6466657416)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Pump!Lab · Know Your Score

[App page](https://appshunter.io/ios/app/pumplab-know-your-score/id6760952297)

Quantify your workout quality with a single, fair score adjusted for your age, size, and gender. Track your progress towards personalized fitness goals and get AI-powered coaching. Build teams with friends for accountability and friendly competition.

**Highlights:** Fair workout scoring (Pump!Score), Personalized fitness goals, AI training partner (Coach Max/Maxine), Team building and social feed, Leaderboard and competitive features, Muscle group analysis, Watch face complications

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pump!Lab Premium Monthly | $5.99 | per month |
| Pump!Lab Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is Stretch Studios free?

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

### Is Pump!Lab · Know Your Score free?

Pump!Lab · Know Your Score is free to download, with in-app purchases available.

### Do Stretch Studios or Pump!Lab · Know Your Score have ads?

Stretch Studios shows ads; Pump!Lab · Know Your Score does not.

### Which is updated more often, Stretch Studios or Pump!Lab · Know Your Score?

Stretch Studios ships an update monthly, and Pump!Lab · Know Your Score every 4 days. Most recently, Stretch Studios was updated on October 7, 2026 and Pump!Lab · Know Your Score on October 10, 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.*