# Memo AI Notes vs Pnyx

The clearest difference is in-app purchases: Pnyx at none against Memo AI Notes's 2. Memo AI Notes's advantage is update cadence (daily vs every 5 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Memo AI Notes sells 2 in-app purchases, starting at $3.99 per 7 days. Pnyx asks for nothing beyond the download.

Memo AI Notes ships an update daily, Pnyx every 5 days. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Memo AI Notes | Pnyx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memo-ai-notes/id6747631353/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Monetization | Freemium | — |
| Size | 5 MB | 86 MB |
| Requires iOS | 18.2 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Avery Intelligence](https://appshunter.io/developer/1802111127) | [XUAN-VIEN DO](https://appshunter.io/developer/6781889655) |

## What reviewers say

### Memo AI Notes

[App page](https://appshunter.io/ios/app/memo-ai-notes/id6747631353)

This minimalist note-taking app uses AI to enhance your writing. It offers instant text transformations for grammar correction, rephrasing, summarization, and translation. Unlock advanced features for professionals and students with premium commands.

**Highlights:** Distraction-free writing interface, Instant AI text transformations, 30+ AI commands (grammar, rephrase, summarize, translate), Tone and style adjustments, Formatting and document creation, Creative writing and clarity tools, Privacy-focused, notes stay on device

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memo AI Pro Weekly | $3.99 | per 7 days |
| Memo AI Pro Yearly | $59.99 | per year |


### Pnyx

[App page](https://appshunter.io/ios/app/pnyx/id6783030642)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Memo AI Notes free?

Memo AI Notes is free to download, with in-app purchases available.

### Is Pnyx free?

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

### Do Memo AI Notes or Pnyx have ads?

Neither Memo AI Notes nor Pnyx shows ads.

### Which is updated more often, Memo AI Notes or Pnyx?

Memo AI Notes ships an update daily, and Pnyx every 5 days. Most recently, Memo AI Notes was updated on October 30, 2026 and Pnyx on November 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.*