# Math Notes vs Kalender ID

The clearest difference is in-app purchases: Kalender ID at none against Math Notes's 2. Kalender ID also leads on iOS requirement (15.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Math Notes sells 2 in-app purchases, starting at $3.99 per month. Kalender ID asks for nothing beyond the download.

## The numbers

| Metric | Math Notes | Kalender ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (21 ratings)](https://appshunter.io/ios/app/math-notes-solver-and-editor/id6474252913/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Subscription | — |
| Size | 624 MB | 29 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kairoos Solutions SL](https://appshunter.io/developer/978066434) | [PT JALAN KITA BERSINERGI](https://appshunter.io/developer/1617817829) |

## What reviewers say

### Math Notes

[App page](https://appshunter.io/ios/app/math-notes-solver-and-editor/id6474252913)

This app offers a specialized keyboard and editor for creating and managing mathematical expressions. It supports LaTeX, real-time rendering, and various export formats, making it ideal for students and professionals alike.

**Highlights:** Innovative Math Keyboard, Multiple Math Symbols, Real-Time Rendering, LaTeX Support, Save and Share, Export Options (PDF, LaTeX, HTML, etc.), PDF Reader and Editor

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Notes Full Unlock with AI | $3.99 | per month |
| Math Editor Full Upgrade | $3.99 | one-time |


### Kalender ID

[App page](https://appshunter.io/ios/app/kalender-id/id6794562229)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Notes free?

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

### Is Kalender ID free?

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

### Do Math Notes or Kalender ID have ads?

Neither Math Notes nor Kalender ID shows ads.

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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.*