# Zem vs Avyrix AI

The clearest difference is in-app purchases: Avyrix AI at none against Zem's 2. Zem's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zem sells 2 in-app purchases, starting at $4.99 per month. Avyrix AI asks for nothing beyond the download.

Zem ships an update every 10 days, Avyrix AI every 3 weeks. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Zem | Avyrix AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 46 MB | 37 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Dominik Nowara](https://appshunter.io/developer/1830582103) | [Michael Afolabi](https://appshunter.io/developer/1887856662) |

## What reviewers say

### Zem

[App page](https://appshunter.io/ios/app/zem-adhd-to-do-and-planner/id6767013272)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $4.99 | per month |
| Pro Yearly | $29.99 | per year |


### Avyrix AI

[App page](https://appshunter.io/ios/app/avyrix-ai/id6801976821)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zem free?

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

### Is Avyrix AI free?

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

### Do Zem or Avyrix AI have ads?

Neither Zem nor Avyrix AI shows ads.

### Which is updated more often, Zem or Avyrix AI?

Zem ships an update every 10 days, and Avyrix AI every 3 weeks. Most recently, Zem was updated on October 16, 2026 and Avyrix AI on October 9, 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.*