# Simplexity vs Notes Air

The clearest difference is device support: Notes Air at 4 against Simplexity's 2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Simplexity sells 1 one-off in-app purchase and Notes Air sells 11 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Simplexity ships an update every 2 months, Notes Air every 5 weeks. The most recent releases landed on September 5, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Simplexity | Notes Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (8 ratings)](https://appshunter.io/ios/app/notes-air-simple-notes/id1608573880/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 126 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Niera Tech Inc.](https://appshunter.io/developer/1505867776) | [Air Apps Systems](https://appshunter.io/developer/1316153435) |

## What reviewers say

### Simplexity

[App page](https://appshunter.io/ios/app/simplexity/id1565632120)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SimpleLists Premium | $1.99 | one-time |


### Notes Air

[App page](https://appshunter.io/ios/app/notes-air-simple-notes/id1608573880)

This app helps you capture, create, and edit notes with AI-powered text generation. Organize your thoughts using tags and easily search through your entries. Streamline your work and personal life with efficient note-taking.

**Highlights:** Capture ideas, Create and edit text, Generate smart notes with AI, Search and manage notes, Organize with tags, Ad-free pro version

**Features:** iMessage stickers, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Air Apps One - 1 Week | $4.99 | per 7 days |
| Air Apps One - 1 Week | $4.99 | per 7 days |
| Air Apps One Welcome - 1 Week | $4.99 | per 7 days |
| Air Apps One - 1 Week | $6.99 | per 7 days |
| Air Apps One - 1 Week | $7.99 | per 7 days |
| Air Apps One | $9.99 | per month |
| Air Apps One - 1 Month | $9.99 | per month |
| Air Apps One - 1 Month | $19.99 | per month |
| Air Apps One | $69.99 | per year |
| Air Apps One - 1 Year | $69.99 | per year |
| Air Apps Pro - 1 Month | $199.99 | per month |


## Frequently asked questions

### Is Simplexity free?

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

### Is Notes Air free?

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

### Do Simplexity or Notes Air have ads?

Neither Simplexity nor Notes Air shows ads.

### Which is updated more often, Simplexity or Notes Air?

Simplexity ships an update every 2 months, and Notes Air every 5 weeks. Most recently, Simplexity was updated on September 5, 2026 and Notes Air on September 20, 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.*