# REBUILDRX vs ProStack

The clearest difference is in-app purchases: REBUILDRX at none against ProStack's 2. REBUILDRX also leads on device support (4 vs 1). ProStack's advantage is update cadence (every 5 days vs monthly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. ProStack sells 2 in-app purchases, starting at $4.99 per month. REBUILDRX asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for REBUILDRX against 5.0 for ProStack. Both are backed by a comparable volume of ratings — 8 and 3 respectively.

REBUILDRX ships an update monthly, ProStack every 5 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | REBUILDRX | ProStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/rebuildrx/id6752957312/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/prostack-peptide-tracker/id6789934657/reviews) |
| Number of ratings | **8** | 3 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 164 MB | 65 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Avant All Things Health and Wellness, LLC](https://appshunter.io/developer/1841916749) | [JESSIE GRACE CHRISTIE](https://appshunter.io/developer/6789934659) |

## What reviewers say

### REBUILDRX

[App page](https://appshunter.io/ios/app/rebuildrx/id6752957312)

Access personalized fitness programs, track workouts, nutrition, and habits, and connect with coaches. Achieve your health goals with guided support and detailed progress metrics.

**Highlights:** Personalized training plans, Exercise demonstration videos, Meal and nutrition tracking, Daily habit tracking, Progress metrics and goal setting, Direct coach messaging, Integration with health devices

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


### ProStack

[App page](https://appshunter.io/ios/app/prostack-peptide-tracker/id6789934657)

Log your peptide doses, set reminders, and track your progress with photos and measurements. Access a library of peptide information and manage your entire protocol on a calendar. Offers a free 7-day trial.

**Highlights:** Dose logging, Scheduled reminders, Protocol calendar, Progress photos, Measurement tracking, Peptide library

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is REBUILDRX free?

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

### Is ProStack free?

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

### Which has better reviews, REBUILDRX or ProStack?

REBUILDRX and ProStack are both rated 5.0 out of 5 on the App Store, from 8 and 3 ratings respectively.

### Do REBUILDRX or ProStack have ads?

Neither REBUILDRX nor ProStack shows ads.

### Which is updated more often, REBUILDRX or ProStack?

REBUILDRX ships an update monthly, and ProStack every 5 days. Most recently, REBUILDRX was updated on November 5, 2026 and ProStack on November 6, 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.*