# Stackr vs Stackr

The clearest difference is rating: Stackr at 5.0 against Stackr's 4.5. Stackr also leads on review sentiment (100% vs 78%) and device support (3 vs 1). Stackr's advantage is ratings volume (126 vs 8). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Stackr sells 2 in-app purchases, starting at $4.99 per month and Stackr sells 7 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Stackr holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Stackr has 126 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 100% of Stackr's written reviews are positive against 78% of Stackr's.

Stackr ships an update every 4 days, Stackr every 3 days. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Stackr | Stackr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/stackr-peptide-tracker/id6761287143/reviews)** | [4.5 (126 ratings)](https://appshunter.io/ios/app/stackr-peptide-tracker/id6764821587/reviews) |
| Number of ratings | 8 | **126** |
| Positive reviews | **100.0% of reviews** | 78.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Freemium | Freemium |
| Size | 53 MB | 58 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Alexander Hoogland](https://appshunter.io/developer/1878011747) | [Stackr Holdings LLC](https://appshunter.io/developer/1896525659) |

## 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 |


### Stackr

[App page](https://appshunter.io/ios/app/stackr-peptide-tracker/id6764821587)

This app simplifies tracking peptide and GLP-1 doses, including supplies like vials and pens. It offers smart reminders, home screen widgets, and visual charts of estimated active levels based on half-life. Designed for users managing peptide protocols, it keeps your dosing information organized and accessible.

**Highlights:** Log peptide and GLP-1 doses, Track vials, pens, and other supplies, Smart reminders for next doses, Home screen widgets, Estimated active level charts, Multi-peptide stack tracking, Reference pages for common compounds

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stackr+ Weekly | $7.99 | per 7 days |
| Monthly | $12.99 | per month |
| Stackr+ Yearly | $29.99 | per year |
| Stackr+ Yearly | $49.99 | per year |
| Stackr+ Yearly | $49.99 | per year |
| Stackr+ Yearly | $59.99 | per year |
| Yearly | $69.99 | per year |


## Frequently asked questions

### Is Stackr free?

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

### Is Stackr free?

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

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

Stackr is rated higher. Stackr averages 5.0 out of 5 from 8 ratings, while Stackr averages 4.5 from 126 ratings.

### Do Stackr or Stackr have ads?

Neither Stackr nor Stackr shows ads.

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

Stackr ships an update every 4 days, and Stackr every 3 days. Most recently, Stackr was updated on September 10, 2026 and Stackr on September 22, 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.*