# Geometry Calculator for School vs World Timeline

The clearest difference is price: World Timeline at Free against Geometry Calculator for School's $8.99. World Timeline also leads on update cadence (every 3 weeks vs every 4 months) and iOS requirement (15.1 vs 17.0). Geometry Calculator for School's advantage is review sentiment (100% vs 60%) and in-app purchases (none vs 1). On device support there is nothing between them.

World Timeline is free to download; Geometry Calculator for School costs $8.99 up front. World Timeline sells 1 one-off in-app purchase. Geometry Calculator for School asks for nothing beyond the download.

Geometry Calculator for School ships an update every 4 months, World Timeline every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Geometry Calculator for School | World Timeline |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | — | **[3.7 (6 ratings)](https://appshunter.io/ios/app/world-timeline/id6768851972/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 122 MB | 225 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Rudolf Halmi](https://appshunter.io/developer/484210280) | [Matthew Washe](https://appshunter.io/developer/1896052346) |

## What reviewers say

### Geometry Calculator for School

[App page](https://appshunter.io/ios/app/geometry-calculator-for-school/id6742743672)

This app provides step-by-step solutions and real-time shape previews for geometry problems, including volume, surface area, and perimeter calculations for over 110 shapes. It also features a weight calculator with customizable materials and works offline without ads.

**Highlights:** Step-by-step geometry solutions, Real-time shape previews, Calculations for over 110 geometric shapes, Weight calculator with custom materials, Offline functionality, No advertisements

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

**In-app purchases:** none


### World Timeline

[App page](https://appshunter.io/ios/app/world-timeline/id6768851972)

Explore world history visually with an interactive globe and a comprehensive timeline. Tap events to learn their significance and generate study prompts. Designed for homeschoolers and students, it offers a big-picture view of civilizations and historical moments.

**Highlights:** Interactive globe with shifting political maps, Scrollable timeline from Creation to present, Detailed event descriptions and significance, Study playground for AI prompt generation, Offline functionality, Year-by-year political map redraws

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock World Timeline | $0.99 | one-time |


## Frequently asked questions

### Is Geometry Calculator for School free?

Geometry Calculator for School costs $8.99, with no in-app purchases.

### Is World Timeline free?

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

### Do Geometry Calculator for School or World Timeline have ads?

World Timeline shows ads; Geometry Calculator for School does not.

### Which is updated more often, Geometry Calculator for School or World Timeline?

Geometry Calculator for School ships an update every 4 months, and World Timeline every 3 weeks. Most recently, Geometry Calculator for School was updated on October 30, 2026 and World Timeline 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.*