# Dosed AI vs Stack

The clearest difference is iOS requirement: Dosed AI at 15.0 against Stack's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Dosed AI sells 2 in-app purchases, starting at $9.99 per 7 days and Stack sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Dosed AI ships an update every 5 days, Stack every 8 days. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Dosed AI | Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dosed-ai-peptide-tracker/id6763731565/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 8 days |
| Monetization | Freemium | — |
| Size | 14 MB | 136 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Samuel Chu](https://appshunter.io/developer/1877605662) | [Amari Thomas](https://appshunter.io/developer/1868315587) |

## What reviewers say

### Dosed AI

[App page](https://appshunter.io/ios/app/dosed-ai-peptide-tracker/id6763731565)

This app helps users create and track personalized peptide protocols. It calculates injection volumes, guides reconstitution, and logs cycles, offering a reference library for research peptides. Designed for both beginners and experienced users, it focuses on simplifying peptide research.

**Highlights:** AI-powered protocol generation, Dosage and injection volume calculator, Reconstitution helper with syringe visualization, Multiple peptide cycle tracking, Research peptide directory, Injection logging and weekly adherence view

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dosed AI Pro — Weekly | $9.99 | per 7 days |
| Dosed AI Pro — Yearly | $49.99 | per year |


### Stack

[App page](https://appshunter.io/ios/app/stack-peptide-tracker/id6773488687)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack Weekly | $9.99 | per 7 days |
| Stack Yearly | $49.99 | per year |


## Frequently asked questions

### Is Dosed AI free?

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

### Is Stack free?

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

### Do Dosed AI or Stack have ads?

Neither Dosed AI nor Stack shows ads.

### Which is updated more often, Dosed AI or Stack?

Dosed AI ships an update every 5 days, and Stack every 8 days. Most recently, Dosed AI was updated on October 4, 2026 and Stack on October 1, 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.*