# Stack Up vs GymTracker

The clearest difference is in-app purchases: Stack Up at none against GymTracker's 2. Stack Up also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). GymTracker's advantage is update cadence (every 2 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. GymTracker sells 2 in-app purchases, starting at $2.99 per month. Stack Up asks for nothing beyond the download.

Stack Up ships an update every 4 months, GymTracker every 2 weeks. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Stack Up | GymTracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 39 MB | 64 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [David Chabot](https://appshunter.io/developer/1827519391) | [Paolo Novetti](https://appshunter.io/developer/1879467012) |

## What reviewers say

### Stack Up

[App page](https://appshunter.io/ios/app/stack-up-fitness-tracker/id6756453177)

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

**In-app purchases:** none


### GymTracker

[App page](https://appshunter.io/ios/app/gymtracker-smart-progress/id6759553013)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GymTracker PRO Monthly | $2.99 | per month |
| GymTracker PRO Annual | $24.99 | per year |


## Frequently asked questions

### Is Stack Up free?

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

### Is GymTracker free?

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

### Do Stack Up or GymTracker have ads?

GymTracker shows ads; Stack Up does not.

### Which is updated more often, Stack Up or GymTracker?

Stack Up ships an update every 4 months, and GymTracker every 2 weeks. Most recently, Stack Up was updated on October 19, 2026 and GymTracker on October 5, 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.*