# Triangle3 vs Pipe Offset Calculator!

The clearest difference is price: Triangle3 at $3.99 against Pipe Offset Calculator!'s $6.99. Triangle3 also leads on iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Triangle3 costs $3.99 and Pipe Offset Calculator! $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 weeks. Both last shipped on September 26, 2026.

## The numbers

| Metric | Triangle3 | Pipe Offset Calculator! |
| --- | --- | --- |
| Price | **$3.99** | $6.99 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Paid | — |
| Size | 7 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ryo sasaki](https://appshunter.io/developer/318552526) | [NOSHU, llc](https://appshunter.io/developer/6789740441) |

## What reviewers say

### Triangle3

[App page](https://appshunter.io/ios/app/triangle3/id1643788233)

This app provides advanced calculation tools for field work, specializing in right and unequal triangles. It supports complex shapes like cones, pipes, and screw wings, with AR visualization for floor plans. It also includes standard calculator functions and memory features.

**Highlights:** Right and unequal triangle calculations, Complex shape development (cones, pipes, etc.), Augmented Reality (AR) floor plan visualization, Standard calculator functions with memory, Trigonometric and cosine theorem calculations, PCD and screw wing calculations

**Features:** Vision Pro support

**In-app purchases:** none


### Pipe Offset Calculator!

[App page](https://appshunter.io/ios/app/pipe-offset-calculator/id6789740873)

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

**In-app purchases:** none


## Frequently asked questions

### Is Triangle3 free?

Triangle3 costs $3.99, with no in-app purchases.

### Is Pipe Offset Calculator! free?

Pipe Offset Calculator! costs $6.99, with no in-app purchases.

### Do Triangle3 or Pipe Offset Calculator! have ads?

Neither Triangle3 nor Pipe Offset Calculator! shows ads.

### Which is updated more often, Triangle3 or Pipe Offset Calculator!?

Triangle3 ships an update every 5 weeks, and Pipe Offset Calculator! every 5 weeks. Most recently, Triangle3 was updated on September 26, 2026 and Pipe Offset Calculator! on September 26, 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.*