# Protractor Teacher vs Compass Geometry Drills 2026

The clearest difference is update cadence: Compass Geometry Drills 2026 at every 2 months against Protractor Teacher's every 42 months. Protractor Teacher's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Protractor Teacher costs $0.99 and Compass Geometry Drills 2026 $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.

Protractor Teacher ships an update every 42 months, Compass Geometry Drills 2026 every 2 months. The most recent releases landed on October 22, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Protractor Teacher | Compass Geometry Drills 2026 |
| --- | --- | --- |
| Price | $0.99 | **$0.29** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/protractor-teacher/id1526985063/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 1 MB | 7 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alistair Shaw](https://appshunter.io/developer/959356999) | [Nanjing Yunxiaochuang Technology Co., Ltd](https://appshunter.io/developer/1454457703) |

## What reviewers say

### Protractor Teacher

[App page](https://appshunter.io/ios/app/protractor-teacher/id1526985063)

This geometry app overlays a virtual protractor onto images. Users can rotate and move the protractor to learn how to accurately measure angles in various contexts.

**Highlights:** Virtual protractor overlay, Image angle measurement, Protractor rotation, Protractor repositioning, Geometry education tool

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

**In-app purchases:** none


### Compass Geometry Drills 2026

[App page](https://appshunter.io/ios/app/compass-geometry-drills-2026/id6780177908)

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

**In-app purchases:** none


## Frequently asked questions

### Is Protractor Teacher free?

Protractor Teacher costs $0.99, with no in-app purchases.

### Is Compass Geometry Drills 2026 free?

Compass Geometry Drills 2026 costs $0.29, with no in-app purchases.

### Do Protractor Teacher or Compass Geometry Drills 2026 have ads?

Neither Protractor Teacher nor Compass Geometry Drills 2026 shows ads.

### Which is updated more often, Protractor Teacher or Compass Geometry Drills 2026?

Protractor Teacher ships an update every 42 months, and Compass Geometry Drills 2026 every 2 months. Most recently, Protractor Teacher was updated on October 22, 2026 and Compass Geometry Drills 2026 on October 31, 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.*