# Peptide Stack OS vs Treadwell

The clearest difference is in-app purchases: Peptide Stack OS at none against Treadwell's 1. Peptide Stack OS also leads on iOS requirement (15.1 vs 26.4). On price, ads and device support there is nothing between them.

Both are free to download. Treadwell sells 1 one-off in-app purchase. Peptide Stack OS asks for nothing beyond the download.

## The numbers

| Metric | Peptide Stack OS | Treadwell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/treadwell-treadmill-tracker/id6784826357/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Monetization | — | Free |
| Size | 53 MB | 11 MB |
| Requires iOS | **15.1** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Leverage Ventures Limited Liability Company](https://appshunter.io/developer/1868627132) | [Bryan Peralta](https://appshunter.io/developer/6784826359) |

## What reviewers say

### Peptide Stack OS

[App page](https://appshunter.io/ios/app/peptide-stack-os/id6766155644)

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

**In-app purchases:** none


### Treadwell

[App page](https://appshunter.io/ios/app/treadwell-treadmill-tracker/id6784826357)

Accurately measures your real treadmill speed and distance using your phone's camera and LiDAR sensor. It helps you understand discrepancies between treadmill displays and actual performance, and can calibrate machines for precise training.

**Highlights:** Real-time speed and pace measurement, Treadmill calibration, Workout tracking with pause/resume, Accurate distance reporting, LiDAR sensor integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Treadwell Pro | $14.99 | one-time |


## Frequently asked questions

### Is Peptide Stack OS free?

Peptide Stack OS is free to download, with no in-app purchases.

### Is Treadwell free?

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

### Do Peptide Stack OS or Treadwell have ads?

Neither Peptide Stack OS nor Treadwell shows ads.

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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.*