# Dynamic Geometry Sketch Pad vs 学家云HD

The clearest difference is rating: 学家云HD at 3.0 against Dynamic Geometry Sketch Pad's 2.4. 学家云HD also leads on in-app purchases (none vs 1) and update cadence (monthly vs every 3 months). Dynamic Geometry Sketch Pad's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 15.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Dynamic Geometry Sketch Pad sells 1 one-off in-app purchase. 学家云HD asks for nothing beyond the download.

学家云HD holds the better App Store score, 3.0 against 2.4. Both are backed by a comparable volume of ratings — 14 and 8 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

Dynamic Geometry Sketch Pad ships an update every 3 months, 学家云HD monthly. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Dynamic Geometry Sketch Pad | 学家云HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (14 ratings)](https://appshunter.io/ios/app/dynamic-geometry-sketch-pad/id964956312/reviews) | **[3.0 (8 ratings)](https://appshunter.io/ios/app/hd/id1150268397/reviews)** |
| Number of ratings | **14** | 8 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 13 MB | 509 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [辉 马](https://appshunter.io/developer/959342857) | [Weidu Technology (Beijing) Co., Ltd.](https://appshunter.io/developer/1623158440) |

## What reviewers say

### Dynamic Geometry Sketch Pad

[App page](https://appshunter.io/ios/app/dynamic-geometry-sketch-pad/id964956312)

This app is a dynamic geometry and mathematical computation tool. It allows users to create geometric figures, input complex mathematical formulas, and perform various measurements and transformations. All visual elements are displayed in an infinite scrollable area and can be permanently saved.

**Highlights:** Dynamic geometric constructions, Natural mathematical formula input, 25 built-in mathematical functions, Infinite scrollable drawing area, Permanent file saving, Undo/Redo editing, Geometric transformations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Functions & Remove Ads | $6.99 | one-time |


### 学家云HD

[App page](https://appshunter.io/ios/app/hd/id1150268397)

This official learning application offers a wide range of courses designed to spark children's interest, broaden their thinking, and cultivate their abilities. It aims to provide educational content that supports cognitive development and skill-building.

**Highlights:** Wide variety of courses, Sparks interest, Broadens thinking, Cultivates abilities, Official learning software

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

**In-app purchases:** none


## Frequently asked questions

### Is Dynamic Geometry Sketch Pad free?

Dynamic Geometry Sketch Pad is free to download, with in-app purchases available.

### Is 学家云HD free?

学家云HD is free to download, with no in-app purchases.

### Which has better reviews, Dynamic Geometry Sketch Pad or 学家云HD?

学家云HD is rated higher. Dynamic Geometry Sketch Pad averages 2.4 out of 5 from 14 ratings, while 学家云HD averages 3.0 from 8 ratings.

### Do Dynamic Geometry Sketch Pad or 学家云HD have ads?

Neither Dynamic Geometry Sketch Pad nor 学家云HD shows ads.

### Which is updated more often, Dynamic Geometry Sketch Pad or 学家云HD?

Dynamic Geometry Sketch Pad ships an update every 3 months, and 学家云HD monthly. Most recently, Dynamic Geometry Sketch Pad was updated on October 10, 2026 and 学家云HD on October 3, 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.*