# MoodStack vs The Supplement Tracker

The clearest difference is in-app purchases: The Supplement Tracker at none against MoodStack's 11. The Supplement Tracker also leads on iOS requirement (12.0 vs 18.0). MoodStack's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. MoodStack sells 11 in-app purchases, starting at $3.99 per 7 days. The Supplement Tracker asks for nothing beyond the download.

MoodStack ships an update every 4 days, The Supplement Tracker every 2 months. The most recent releases landed on September 12, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | MoodStack | The Supplement Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 15 MB | 28 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Martin Condet](https://appshunter.io/developer/1696467493) | [Eudald Pons Boronat](https://appshunter.io/developer/1810275727) |

## What reviewers say

### MoodStack

[App page](https://appshunter.io/ios/app/moodstack-supplement-truth/id6745878390)

This app analyzes supplements using AI to reveal their actual quality and effectiveness. It provides evidence-based recommendations for your health goals and audits your current supplement stack for potential issues and better alternatives.

**Highlights:** AI-powered supplement scanning, Quality score for products, Bioavailability and toxicity flags, Evidence-based symptom solver, Supplement stack auditing, Personalized alternative recommendations, Peptide library with sourced explainers

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Membership | $3.99 | per 7 days |
| Monthly Membership | $5.99 | per month |
| Weekly Membership | $9.99 | per 7 days |
| Monthly Membership | $9.99 | per month |
| MoodStack Pro — Yearly | $29.99 | per year |
| Yearly Membership | $47.99 | per year |
| Yearly Membership | $47.99 | per year |
| Yearly Membership | $49.90 | per year |
| Yearly Membership | $49.99 | per year |
| Yearly Membership | $69.99 | per year |
| Yearly Membership | $69.99 | per year |


### The Supplement Tracker

[App page](https://appshunter.io/ios/app/the-supplement-tracker/id6749189612)

**In-app purchases:** none


## Frequently asked questions

### Is MoodStack free?

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

### Is The Supplement Tracker free?

The Supplement Tracker is free to download, with no in-app purchases.

### Do MoodStack or The Supplement Tracker have ads?

Neither MoodStack nor The Supplement Tracker shows ads.

### Which is updated more often, MoodStack or The Supplement Tracker?

MoodStack ships an update every 4 days, and The Supplement Tracker every 2 months. Most recently, MoodStack was updated on September 12, 2026 and The Supplement Tracker on September 10, 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.*