# Quadrilateral Calculator vs Skippy סקיפי | תיאוריה ימית

The clearest difference is price: Skippy סקיפי | תיאוריה ימית at Free against Quadrilateral Calculator's $2.99. Skippy סקיפי | תיאוריה ימית also leads on update cadence (every 2 weeks vs every 23 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Skippy סקיפי | תיאוריה ימית is free to download; Quadrilateral Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Quadrilateral Calculator ships an update every 23 months, Skippy סקיפי | תיאוריה ימית every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Quadrilateral Calculator | Skippy סקיפי | תיאוריה ימית |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quadrilateral-calculator/id1626770065/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 1 MB | 85 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [Dor Segal](https://appshunter.io/developer/6794022998) |

## What reviewers say

### Quadrilateral Calculator

[App page](https://appshunter.io/ios/app/quadrilateral-calculator/id1626770065)

Instantly solve any quadrilateral with this comprehensive calculator. Features multiple input modes, detailed calculations, and live visualization. Ideal for students, engineers, and geometry enthusiasts.

**Highlights:** Multiple input modes (coordinates, sides, diagonals, angles), Calculates perimeter, area, diagonals, and angles, Auto-identifies shape type, Live interactive canvas with drag-and-drop functionality, Step-by-step solutions with formulas, Unit conversion built-in, Random shape generator for practice

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

**In-app purchases:** none


### Skippy סקיפי | תיאוריה ימית

[App page](https://appshunter.io/ios/app/skippy/id6794022996)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quadrilateral Calculator free?

Quadrilateral Calculator costs $2.99, with no in-app purchases.

### Is Skippy סקיפי | תיאוריה ימית free?

Skippy סקיפי | תיאוריה ימית is free to download, with no in-app purchases.

### Do Quadrilateral Calculator or Skippy סקיפי | תיאוריה ימית have ads?

Neither Quadrilateral Calculator nor Skippy סקיפי | תיאוריה ימית shows ads.

### Which is updated more often, Quadrilateral Calculator or Skippy סקיפי | תיאוריה ימית?

Quadrilateral Calculator ships an update every 23 months, and Skippy סקיפי | תיאוריה ימית every 2 weeks. Most recently, Quadrilateral Calculator was updated on October 24, 2026 and Skippy סקיפי | תיאוריה ימית on October 24, 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.*