# Stappn vs Stack

The clearest difference is iOS requirement: Stappn at 15.1 against Stack's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Stappn sells 4 in-app purchases, starting at $9.99 per month 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.

Stappn ships an update fortnightly, Stack every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stappn | Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stappn-glp-1-coach/id1619719778/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 58 MB | 106 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [STAPPN BILISIM TEKNOLOJILERI SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1619719780) | [Amari Thomas](https://appshunter.io/developer/1868315587) |

## What reviewers say

### Stappn

[App page](https://appshunter.io/ios/app/stappn-glp-1-coach/id1619719778)

This app helps individuals on GLP-1 medication build a consistent fitness routine. It offers personalized AI-guided workouts, tracks injections, and monitors progress like steps and weight. Users can communicate with their coach for customized session adjustments.

**Highlights:** AI-powered personalized workouts, Guided movement videos, Injection day reminders, Step and weight tracking, Progress visualization, Customizable session adjustments

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stappn Pro Monthly | $9.99 | per month |
| Stappn Pro Annual Special | $39.99 | per year |
| Stappn Pro Quarterly | $39.99 | per 3 months |
| Stappn Pro Annual | $59.99 | 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 Stappn free?

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

### Is Stack free?

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

### Do Stappn or Stack have ads?

Neither Stappn nor Stack shows ads.

### Which is updated more often, Stappn or Stack?

Stappn ships an update fortnightly, and Stack every 2 weeks. Most recently, Stappn was updated on November 3, 2026 and Stack on October 31, 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.*