# Right Angle vs Pipefitter Calculator (e4bc01)

The clearest difference is ads: Right Angle at none against Pipefitter Calculator (e4bc01)'s shown. Right Angle also leads on update cadence (every 5 days vs every 4 weeks). Pipefitter Calculator (e4bc01)'s advantage is iOS requirement (15.1 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Right Angle sells 9 in-app purchases, starting at $2.99 per month and Pipefitter Calculator (e4bc01) sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Right Angle ships an update every 5 days, Pipefitter Calculator (e4bc01) every 4 weeks. The most recent releases landed on July 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Right Angle | Pipefitter Calculator (e4bc01) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (30 ratings)](https://appshunter.io/ios/app/right-angle/id292390648/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 50 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jerry Mayers](https://appshunter.io/developer/287638654) | [Justin Walls](https://appshunter.io/developer/6782460947) |

## What reviewers say

### Right Angle

[App page](https://appshunter.io/ios/app/right-angle/id292390648)

This app calculates triangles and segments of circles. It supports various angle input formats and offers solutions for oblique triangles and circle segments with optional add-ons. A right triangle calculator is included for free.

**Highlights:** Triangle solver, Circle segment calculator, Multiple angle units (degrees, radians, DMS, grade, x/12), Oblique triangle solver (add-on), Circle segment solver (add-on), Free right triangle calculator

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Renews Monthly | $2.99 | per month |
| Renews Yearly | $14.99 | per year |
| Small Tip | $2.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Segments Calculator | $5.99 | one-time |
| Oblique Triangle Calculator | $5.99 | one-time |
| Segment & Oblique Triangle | $6.99 | one-time |
| Large Tip | $9.99 | one-time |
| Huge Tip | $29.99 | one-time |


### Pipefitter Calculator (e4bc01)

[App page](https://appshunter.io/ios/app/pipefitter-calculator-e4bc01/id6782460945)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipefitter Pro | $4.99 | per month |
| Remove Ads Forever | $9.99 | one-time |


## Frequently asked questions

### Is Right Angle free?

Right Angle is free to download, with in-app purchases available.

### Is Pipefitter Calculator (e4bc01) free?

Pipefitter Calculator (e4bc01) is free to download, with in-app purchases available.

### Do Right Angle or Pipefitter Calculator (e4bc01) have ads?

Pipefitter Calculator (e4bc01) shows ads; Right Angle does not.

### Which is updated more often, Right Angle or Pipefitter Calculator (e4bc01)?

Right Angle ships an update every 5 days, and Pipefitter Calculator (e4bc01) every 4 weeks. Most recently, Right Angle was updated on July 17, 2026 and Pipefitter Calculator (e4bc01) on September 19, 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.*