# Stacksy vs STAKK

The clearest difference is ads: Stacksy at none against STAKK's shown. Stacksy also leads on update cadence (every 2 days vs monthly) and iOS requirement (15.1 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Stacksy sells 5 in-app purchases, starting at $9.99 per month and STAKK sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Stacksy ships an update every 2 days, STAKK monthly. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Stacksy | STAKK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (16 ratings)](https://appshunter.io/ios/app/stacksy/id6782694853/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | Subscription | — |
| Size | 65 MB | 9 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Velor4 LLC](https://appshunter.io/developer/6782694855) | [Trusted Brands UG (haftungsbeschrankt)](https://appshunter.io/developer/1780095504) |

## What reviewers say

### Stacksy

[App page](https://appshunter.io/ios/app/stacksy/id6782694853)

Organize and track your personal peptide protocol with this private application. Manage your entire routine, including what peptides to take and when. Offers monthly and yearly subscription plans for full access.

**Highlights:** Organize peptide protocols, Track peptide dosages, Schedule peptide intake, Private routine management, GLP-1 tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stacksy Pro (Monthly) | $9.99 | per month |
| Stacksy Pro (Yearly) | $24.99 | per year |
| Stacksy Pro (Yearly) | $24.99 | per year |
| Stacksy Pro (Yearly) | $24.99 | per year |
| Stacksy Pro (Yearly) | $39.99 | per year |


### STAKK

[App page](https://appshunter.io/ios/app/stakk-peptide-tracker/id6789550410)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stakk Premium Weekly | $6.99 | per 7 days |
| Stakk Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is Stacksy free?

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

### Is STAKK free?

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

### Do Stacksy or STAKK have ads?

STAKK shows ads; Stacksy does not.

### Which is updated more often, Stacksy or STAKK?

Stacksy ships an update every 2 days, and STAKK monthly. Most recently, Stacksy was updated on October 11, 2026 and STAKK on October 4, 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.*