# Reta vs Stackr

The clearest difference is in-app purchases: Reta at none against Stackr's 2. Stackr's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

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

## The numbers

| Metric | Reta | Stackr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/stackr-peptide-tracker/id6761287143/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Freemium |
| Size | 14 MB | 53 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Martini Holdings LLC](https://appshunter.io/developer/1870316389) | [Alexander Hoogland](https://appshunter.io/developer/1878011747) |

## What reviewers say

### Reta

[App page](https://appshunter.io/ios/app/reta-peptide-tracker/id6759758112)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Reta free?

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

### Is Stackr free?

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

### Do Reta or Stackr have ads?

Neither Reta nor Stackr 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.*