# Stackr vs Protocol Her

The clearest difference is ads: Stackr at none against Protocol Her's shown. Stackr also leads on rating (5.0 vs 4.8) and device support (3 vs 1). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Stackr sells 2 in-app purchases, starting at $4.99 per month and Protocol Her sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Stackr holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Stackr ships an update every 4 days, Protocol Her every 6 days. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Stackr | Protocol Her |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/stackr-peptide-tracker/id6761287143/reviews)** | [4.8 (9 ratings)](https://appshunter.io/ios/app/protocol-her-peptide-tracker/id6778563718/reviews) |
| Number of ratings | 8 | **9** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 6 days |
| Monetization | Freemium | Freemium |
| Size | 53 MB | 17 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Alexander Hoogland](https://appshunter.io/developer/1878011747) | [DZ LABS LLC](https://appshunter.io/developer/6778563720) |

## What reviewers say

### Stackr

[App page](https://appshunter.io/ios/app/stackr-peptide-tracker/id6761287143)

Easily track supplements, peptides, and medications to ensure you never miss a dose or run out. Features include a compound library, reconstitution calculator, depletion tracking, and budget management.

**Highlights:** 200+ compound library, Reconstitution calculator, Depletion tracking, Protocol grouping, Budget tracking, Dose logging

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stackr Pro Monthly | $4.99 | per month |
| Stackr Pro Annual | $39.99 | per year |


### Protocol Her

[App page](https://appshunter.io/ios/app/protocol-her-peptide-tracker/id6778563718)

This app helps women track their peptide and GLP-1 protocols privately on their device. Log doses, cycle, measurements, and lab values, with optional reminders and Apple Health integration. Includes a unit conversion utility for reconstitution math.

**Highlights:** Private on-device logging, Dose and cycle tracking, Optional reminders, Apple Health integration (read-only), Measurement and photo timeline, Reconstitution math utility, PDF export for clinicians

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $12.99 | per month |
| Annual | $69.99 | per year |


## Frequently asked questions

### Is Stackr free?

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

### Is Protocol Her free?

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

### Which has better reviews, Stackr or Protocol Her?

Stackr is rated higher. Stackr averages 5.0 out of 5 from 8 ratings, while Protocol Her averages 4.8 from 9 ratings.

### Do Stackr or Protocol Her have ads?

Protocol Her shows ads; Stackr does not.

### Which is updated more often, Stackr or Protocol Her?

Stackr ships an update every 4 days, and Protocol Her every 6 days. Most recently, Stackr was updated on September 10, 2026 and Protocol Her on September 11, 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.*