# 3D Magic Ruler vs Superclass Teacher

The clearest difference is in-app purchases: Superclass Teacher at none against 3D Magic Ruler's 6. Superclass Teacher also leads on update cadence (every 2 days vs every 2 months). 3D Magic Ruler's advantage is iOS requirement (9.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. 3D Magic Ruler sells 6 one-off in-app purchases. Superclass Teacher asks for nothing beyond the download.

3D Magic Ruler ships an update every 2 months, Superclass Teacher every 2 days. The most recent releases landed on July 7, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | 3D Magic Ruler | Superclass Teacher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/3d-magic-ruler/id1443058126/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 65 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guangdong Qunyu Interactive Technology Co.,Ltd.](https://appshunter.io/developer/1019985641) | [Invent Educare](https://appshunter.io/developer/1675732592) |

## What reviewers say

### 3D Magic Ruler

[App page](https://appshunter.io/ios/app/3d-magic-ruler/id1443058126)

Engage in a magical puzzle experience with this application. It offers an entertaining and captivating way to interact with puzzles, making them more enjoyable.

**Highlights:** 3D magic puzzle gameplay, Enhanced puzzle fun, Interactive puzzle experience, Educational entertainment

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500beans | $0.99 | one-time |
| 1000beans | $1.99 | one-time |
| 1500beans | $2.99 | one-time |
| 2500beans | $4.99 | one-time |
| 5000beans | $9.99 | one-time |
| 25000beans | $49.99 | one-time |


### Superclass Teacher

[App page](https://appshunter.io/ios/app/superclass-teacher/id6475984078)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3D Magic Ruler free?

3D Magic Ruler is free to download, with in-app purchases available.

### Is Superclass Teacher free?

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

### Do 3D Magic Ruler or Superclass Teacher have ads?

Neither 3D Magic Ruler nor Superclass Teacher shows ads.

### Which is updated more often, 3D Magic Ruler or Superclass Teacher?

3D Magic Ruler ships an update every 2 months, and Superclass Teacher every 2 days. Most recently, 3D Magic Ruler was updated on July 7, 2026 and Superclass Teacher on September 12, 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.*