# Geometry Tutor vs Big O Notation

The clearest difference is in-app purchases: Big O Notation at none against Geometry Tutor's 2. Big O Notation also leads on iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Geometry Tutor sells 2 in-app purchases, starting at $12.99 per year. Big O Notation asks for nothing beyond the download.

## The numbers

| Metric | Geometry Tutor | Big O Notation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/geometry-tutor/id6762062241/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 38 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JABA Learning LLC](https://appshunter.io/developer/1892700977) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Geometry Tutor

[App page](https://appshunter.io/ios/app/geometry-tutor/id6762062241)

Master geometry with an interactive, visual learning tool. Explore concepts on a dynamic canvas, visualize theorems in real-time, and solidify understanding with knowledge checks and practice problems. Offers a comprehensive curriculum for high school and advanced middle school students.

**Highlights:** Interactive learning canvas, Real-time theorem visualization, Comprehensive 6-unit curriculum, 120-question practice engine, End-of-unit knowledge checks, Instant feedback on mistakes

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual Access | $12.99 | per year |
| Geometry Tutor Premium | $14.99 | one-time |


### Big O Notation

[App page](https://appshunter.io/ios/app/big-o-notation/id6771656290)

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

**In-app purchases:** none


## Frequently asked questions

### Is Geometry Tutor free?

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

### Is Big O Notation free?

Big O Notation is free to download, with no in-app purchases.

### Do Geometry Tutor or Big O Notation have ads?

Neither Geometry Tutor nor Big O Notation 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.*