# AreaCalculator byNSDev vs Trigonometric Calculation

The clearest difference is ads: AreaCalculator byNSDev at none against Trigonometric Calculation's shown. AreaCalculator byNSDev also leads on iOS requirement (12.0 vs 15.5). Trigonometric Calculation's advantage is update cadence (every 6 weeks vs every 13 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AreaCalculator byNSDev ships an update every 13 months, Trigonometric Calculation every 6 weeks. The most recent releases landed on September 29, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | AreaCalculator byNSDev | Trigonometric Calculation |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 13 MB | 5 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [Risako Asai](https://appshunter.io/developer/1671273580) |

## What reviewers say

### AreaCalculator byNSDev

[App page](https://appshunter.io/ios/app/areacalculator-bynsdev/id1214895582)

Calculate the area of 58 different shapes, including polygons, circles, ellipses, and parabolas. Input side lengths and angles for accurate measurements. Request new features for future updates.

**Highlights:** Calculate area of 58 shapes, Supports triangles, squares, polygons, Calculates circles, ellipses, pies, Handles arcs and parabolic areas, Input side lengths and angles, Feature request functionality

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

**In-app purchases:** none


### Trigonometric Calculation

[App page](https://appshunter.io/ios/app/trigonometric-calculation/id1636196284)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AreaCalculator byNSDev free?

AreaCalculator byNSDev is free to download, with no in-app purchases.

### Is Trigonometric Calculation free?

Trigonometric Calculation is free to download, with no in-app purchases.

### Do AreaCalculator byNSDev or Trigonometric Calculation have ads?

Trigonometric Calculation shows ads; AreaCalculator byNSDev does not.

### Which is updated more often, AreaCalculator byNSDev or Trigonometric Calculation?

AreaCalculator byNSDev ships an update every 13 months, and Trigonometric Calculation every 6 weeks. Most recently, AreaCalculator byNSDev was updated on September 29, 2026 and Trigonometric Calculation on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*