# MathNotes vs Error

The clearest difference is in-app purchases: Error at none against MathNotes's 8. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MathNotes sells 8 in-app purchases, starting at $1.99 per month. Error asks for nothing beyond the download.

## The numbers

| Metric | MathNotes | Error |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/mathnotes-ai-notes-for-stem/id6751956086/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 173 MB | 41 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BuilderPro LLC](https://appshunter.io/developer/1836539324) | [Jacob Olssøn](https://appshunter.io/developer/6791055728) |

## What reviewers say

### MathNotes

[App page](https://appshunter.io/ios/app/mathnotes-ai-notes-for-stem/id6751956086)

This app offers a comprehensive suite for STEM students, combining handwritten note-taking with powerful math solving capabilities. It features an AI tutor, graphing tools, and specialized calculators, all designed to aid in learning and organization. Notes can be compiled into professional documents and exported as PDFs.

**Highlights:** Handwritten note-taking with Apple Pencil, Photo-based math problem solver, 12 specialized calculators, AI tutor for homework help, PDF import and annotation, Offline functionality, Export to formatted PDFs

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iwrote Plus | $1.99 | per month |
| MathNotes Premium | $9.99 | per month |
| MathNotes Pro | $9.99 | per month |
| MathNotes Plus | $19.99 | per year |
| MathNotes Pro | $99.99 | per year |
| 1 Course Credit | $24.99 | one-time |
| 3 MathNotes Credits | $54.99 | one-time |
| 5 MathNotes Credits | $74.99 | one-time |


### Error

[App page](https://appshunter.io/ios/app/error-log-your-mistakes/id6791055726)

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

**In-app purchases:** none


## Frequently asked questions

### Is MathNotes free?

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

### Is Error free?

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

### Do MathNotes or Error have ads?

Neither MathNotes nor Error 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.*