# 东汉书院 vs MathNotes

The clearest difference is in-app purchases: 东汉书院 at none against MathNotes's 1. 东汉书院 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. MathNotes sells 1 one-off in-app purchase. 东汉书院 asks for nothing beyond the download.

东汉书院 ships an update every 9 days, MathNotes every 2 weeks. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 东汉书院 | MathNotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mathnotes-math-and-3d-graphs/id6761740403/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 340 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Battlefire technology Co.,ltd](https://appshunter.io/developer/1309522352) | [Vladislav Alikov](https://appshunter.io/developer/1603123547) |

## What reviewers say

### 东汉书院

[App page](https://appshunter.io/ios/app/id1309525976)

**Features:** macOS Compatibility

**In-app purchases:** none


### MathNotes

[App page](https://appshunter.io/ios/app/mathnotes-math-and-3d-graphs/id6761740403)

This app provides an infinite digital canvas for studying and visualizing mathematics. It allows users to create 2D and 3D graphs, take notes with LaTeX formatting, and convert handwritten equations into editable LaTeX using OCR. Ideal for students and professionals needing a comprehensive math workspace.

**Highlights:** Infinite digital canvas, 2D and 3D graph plotting, Formula OCR to LaTeX, LaTeX equation rendering, Interactive animated sliders, Note organization with media

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the App and remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is 东汉书院 free?

东汉书院 is free to download, with no in-app purchases.

### Is MathNotes free?

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

### Do 东汉书院 or MathNotes have ads?

MathNotes shows ads; 东汉书院 does not.

### Which is updated more often, 东汉书院 or MathNotes?

东汉书院 ships an update every 9 days, and MathNotes every 2 weeks. Most recently, 东汉书院 was updated on September 10, 2026 and MathNotes on September 24, 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.*