# myStack vs Avicenna Keyboard

The clearest difference is iOS requirement: myStack at 14.1 against Avicenna Keyboard's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

myStack ships an update every 3 months, Avicenna Keyboard every 4 months. The most recent releases landed on August 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | myStack | Avicenna Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/mystack-health-intelligence/id6743498624/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 2 MB | 10 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Balam LLC](https://appshunter.io/developer/1803211636) | [Avicenna Research Inc.](https://appshunter.io/developer/1137173051) |

## What reviewers say

### myStack

[App page](https://appshunter.io/ios/app/mystack-health-intelligence/id6743498624)

This app uses AI to analyze clinical studies and create personalized supplement recommendations based on your health goals, diet, and medications. It provides evidence-based advice, dosage suggestions, and summaries of scientific research, developed by experts.

**Highlights:** Personalized supplement stacks, AI-driven recommendations, Analysis of 10,000+ clinical studies, Medication interaction screening, Evidence-based supplement advice, Quality-vetted supplement curation

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

**In-app purchases:** none


### Avicenna Keyboard

[App page](https://appshunter.io/ios/app/avicenna-keyboard/id6745755643)

**In-app purchases:** none


## Frequently asked questions

### Is myStack free?

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

### Is Avicenna Keyboard free?

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

### Do myStack or Avicenna Keyboard have ads?

Neither myStack nor Avicenna Keyboard shows ads.

### Which is updated more often, myStack or Avicenna Keyboard?

myStack ships an update every 3 months, and Avicenna Keyboard every 4 months. Most recently, myStack was updated on August 17, 2026 and Avicenna Keyboard 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.*