# Stack Tracker AI vs FuelStack

The clearest difference is in-app purchases: FuelStack at none against Stack Tracker AI's 2. FuelStack also leads on iOS requirement (15.1 vs 26.0). Stack Tracker AI's advantage is update cadence (fortnightly vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. Stack Tracker AI sells 2 in-app purchases, starting at $1.99 per month. FuelStack asks for nothing beyond the download.

Stack Tracker AI ships an update fortnightly, FuelStack every 10 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Stack Tracker AI | FuelStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/stack-tracker-ai/id6740147043/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 10 months |
| Monetization | Freemium | — |
| Size | 28 MB | 33 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MD Apps, LLC](https://appshunter.io/developer/346437629) | [Yoann Abriel](https://appshunter.io/developer/1845368848) |

## What reviewers say

### Stack Tracker AI

[App page](https://appshunter.io/ios/app/stack-tracker-ai/id6740147043)

Effortlessly track, analyze, and optimize your supplement intake for improved wellness and fitness. Gain AI-powered insights, set flexible schedules, and visualize your progress with secure, private data storage.

**Highlights:** Seamless daily supplement tracking, AI-powered insights and trends, Flexible dose scheduling, Advanced progress visualizations, Private and secure data storage, Customizable supplement types

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $9.99 | per year |


### FuelStack

[App page](https://appshunter.io/ios/app/fuelstack/id6753880979)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack Tracker AI free?

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

### Is FuelStack free?

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

### Do Stack Tracker AI or FuelStack have ads?

Neither Stack Tracker AI nor FuelStack shows ads.

### Which is updated more often, Stack Tracker AI or FuelStack?

Stack Tracker AI ships an update fortnightly, and FuelStack every 10 months. Most recently, Stack Tracker AI was updated on October 30, 2026 and FuelStack on October 28, 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.*