# KLASSEN_KRS vs Notes Air

The clearest difference is rating: KLASSEN_KRS at 5.0 against Notes Air's 4.4. KLASSEN_KRS also leads on in-app purchases (none vs 12) and update cadence (every 4 days vs every 5 weeks). Notes Air's advantage is ratings volume (8 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Notes Air sells 11 in-app purchases, starting at $4.99 per 7 days. KLASSEN_KRS asks for nothing beyond the download.

KLASSEN_KRS holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Notes Air has 8 ratings behind it against 1, so its average is the more settled of the two.

KLASSEN_KRS ships an update every 4 days, Notes Air every 5 weeks. The most recent releases landed on July 5, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | KLASSEN_KRS | Notes Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/klassen-krs/id1555204147/reviews)** | [4.4 (8 ratings)](https://appshunter.io/ios/app/notes-air-simple-notes/id1608573880/reviews) |
| Number of ratings | 1 | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 126 MB | 126 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Dizaynvip Otomotiv Ticaret Anonim Sirketi](https://appshunter.io/developer/1555204149) | [Air Apps Systems](https://appshunter.io/developer/1316153435) |

## What reviewers say

### KLASSEN_KRS

[App page](https://appshunter.io/ios/app/klassen-krs/id1555204147)

Control vehicles manufactured by the company via Bluetooth. Manage vehicle functions directly from your smartphone.

**Highlights:** Bluetooth vehicle control, Manage company vehicles, Smartphone integration, Real-time controls

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 KLASSEN_KRS free?

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

### Is Notes Air free?

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

### Which has better reviews, KLASSEN_KRS or Notes Air?

KLASSEN_KRS is rated higher. KLASSEN_KRS averages 5.0 out of 5 from 1 ratings, while Notes Air averages 4.4 from 8 ratings.

### Do KLASSEN_KRS or Notes Air have ads?

Neither KLASSEN_KRS nor Notes Air shows ads.

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

KLASSEN_KRS ships an update every 4 days, and Notes Air every 5 weeks. Most recently, KLASSEN_KRS was updated on July 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.*