# Stack Tracker AI vs Magnesium

The clearest difference is review sentiment: Magnesium at 100% against Stack Tracker AI's 0%. Magnesium also leads on rating (5.0 vs 4.0) and in-app purchases (none vs 2). Stack Tracker AI's advantage is update cadence (fortnightly vs every 3 months). On price, ratings volume, 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. Magnesium asks for nothing beyond the download.

Magnesium holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of Stack Tracker AI's written reviews are positive against 100% of Magnesium's.

Stack Tracker AI ships an update fortnightly, Magnesium every 3 months. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Stack Tracker AI | Magnesium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/stack-tracker-ai/id6740147043/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/magnesium-tracker-and-reminder/id6740493007/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Freemium | **Free** |
| Size | 28 MB | 7 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [MD Apps, LLC](https://appshunter.io/developer/346437629) | [Martspec LLC](https://appshunter.io/developer/1506250419) |

## 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 |


### Magnesium

[App page](https://appshunter.io/ios/app/magnesium-tracker-and-reminder/id6740493007)

Effortlessly track your dietary magnesium intake with science-based personalization. Schedule smart reminders and sync seamlessly with Apple Health for secure, private data management. No login or ads required.

**Highlights:** Seamless intake tracking, Apple Health integration, Automatic iCloud backups, Science-based personalization, Smart reminders, Custom daily schedule

**Features:** Apple Watch app

**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 Magnesium free?

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

### Which has better reviews, Stack Tracker AI or Magnesium?

Magnesium is rated higher. Stack Tracker AI averages 4.0 out of 5 from 2 ratings, while Magnesium averages 5.0 from 1 ratings.

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

Neither Stack Tracker AI nor Magnesium shows ads.

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

Stack Tracker AI ships an update fortnightly, and Magnesium every 3 months. Most recently, Stack Tracker AI was updated on September 17, 2026 and Magnesium on September 21, 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.*