# Mimir vs MoodStack

The clearest difference is in-app purchases: Mimir at none against MoodStack's 11. Mimir also leads on iOS requirement (15.1 vs 18.0). MoodStack's advantage is update cadence (every 4 days vs monthly). 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. Mimir asks for nothing beyond the download.

Mimir ships an update monthly, MoodStack every 4 days. The most recent releases landed on September 2, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Mimir | MoodStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 50 MB | 15 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [AIMS Insights](https://appshunter.io/developer/1718120299) | [Martin Condet](https://appshunter.io/developer/1696467493) |

## What reviewers say

### Mimir

[App page](https://appshunter.io/ios/app/mimir/id6472943548)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Mimir free?

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

### Is MoodStack free?

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

### Do Mimir or MoodStack have ads?

Neither Mimir nor MoodStack shows ads.

### Which is updated more often, Mimir or MoodStack?

Mimir ships an update monthly, and MoodStack every 4 days. Most recently, Mimir was updated on September 2, 2026 and MoodStack on September 12, 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.*