# PXLGrow vs PhysiqueOS

The clearest difference is device support: PhysiqueOS at 3 against PXLGrow's 1. PhysiqueOS also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PXLGrow ships an update every 2 days, PhysiqueOS daily. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PXLGrow | PhysiqueOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/physiqueos/id6746656903/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Monetization | — | Free |
| Size | 93 MB | 39 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nazarbek Rakhmatullaev](https://appshunter.io/developer/1793929390) | [Mark Tretyak](https://appshunter.io/developer/1817561914) |

## What reviewers say

### PXLGrow

[App page](https://appshunter.io/ios/app/pxlgrow/id6741365053)

**Features:** macOS Compatibility

**In-app purchases:** none


### PhysiqueOS

[App page](https://appshunter.io/ios/app/physiqueos/id6746656903)

This fitness tracker is designed for weightlifters and data-driven athletes. It offers detailed metrics, habit tracking, and AI insights to optimize training and recovery. Visualize progress, identify patterns, and stay consistent with evidence-based optimization.

**Highlights:** Track weight, sets, reps, RPE, and volume, Measure sleep, energy, mood, and recovery, Build progress trends, AI-powered adaptive reminders, Visualize training and lifestyle intersections, Streak-based motivation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PXLGrow free?

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

### Is PhysiqueOS free?

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

### Do PXLGrow or PhysiqueOS have ads?

Neither PXLGrow nor PhysiqueOS shows ads.

### Which is updated more often, PXLGrow or PhysiqueOS?

PXLGrow ships an update every 2 days, and PhysiqueOS daily. Most recently, PXLGrow was updated on November 8, 2026 and PhysiqueOS on November 5, 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.*