# Trig Solver vs Pipe Guide Calculator

The clearest difference is review sentiment: Trig Solver at 74% against Pipe Guide Calculator's 0%. Trig Solver also leads on rating (4.3 vs 3.0) and ratings volume (78 vs 4). Pipe Guide Calculator's advantage is update cadence (every 12 months vs every 28 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Trig Solver holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Trig Solver has 78 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 74% of Trig Solver's written reviews are positive against 0% of Pipe Guide Calculator's.

Trig Solver ships an update every 28 months, Pipe Guide Calculator every 12 months. The most recent releases landed on September 22, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | Trig Solver | Pipe Guide Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (78 ratings)](https://appshunter.io/ios/app/trig-solver/id398450227/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/pipe-guide-calculator/id1076615988/reviews) |
| Number of ratings | **78** | 4 |
| Positive reviews | **74.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 12 months** |
| Monetization | Free | Free |
| Size | 8 MB | 19 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Creature Code Mobile, LLC](https://appshunter.io/developer/386736750) | [IT Welding Sweden AB](https://appshunter.io/developer/1076615987) |

## What reviewers say

### Trig Solver

[App page](https://appshunter.io/ios/app/trig-solver/id398450227)

This application calculates unknown sides and angles of both regular and right triangles. It supports various input combinations, including two sides and an angle, two angles and a side, three sides, or two sides and an angle for right triangles.

**Highlights:** Regular triangle solver, Right triangle solver, Calculate with 2 sides and an angle, Calculate with 2 angles and a side, Calculate with 3 sides, Calculate with side and angle (right triangle)

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Fast calculations
- ✅ Accurate results (for many users)
- 💡 Useful for schoolwork
- 🛠️ Great for job site/machinists

**What reviewers complain about**

- 🐛 Inaccurate results reported
- 💸 Ads are present and distracting
- 📉 Rounding issues
- 🚫 No option to remove ads (for some)
- ⚠️ App stopped working after updates

**Reported bugs**

- Calculator rounds to '7' and '0'
- Regular triangle calculations not correct
- Answers in the wrong place (angles reversed)
- App doesn't work anymore after update
- Can't see input in dark mode

**Requested features**

- Rotate the triangle
- Show the work/steps
- Add square root functionality
- Option to pay to remove ads
- Modify single value without reset


### Pipe Guide Calculator

[App page](https://appshunter.io/ios/app/pipe-guide-calculator/id1076615988)

This utility app provides essential calculations for pipe fitting, eliminating the need for reference tables. Designed by a welder for welders, it aims to save time and streamline work processes.

**Highlights:** All necessary computations in one place, Useful calculations for pipe fitting, Eliminates the need for tables, Saves time on the job, Designed for welders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trig Solver free?

Trig Solver is free to download, with no in-app purchases.

### Is Pipe Guide Calculator free?

Pipe Guide Calculator is free to download, with no in-app purchases.

### Which has better reviews, Trig Solver or Pipe Guide Calculator?

Trig Solver is rated higher. Trig Solver averages 4.3 out of 5 from 78 ratings, while Pipe Guide Calculator averages 3.0 from 4 ratings.

### Do Trig Solver or Pipe Guide Calculator have ads?

Neither Trig Solver nor Pipe Guide Calculator shows ads.

### Which is updated more often, Trig Solver or Pipe Guide Calculator?

Trig Solver ships an update every 28 months, and Pipe Guide Calculator every 12 months. Most recently, Trig Solver was updated on September 22, 2026 and Pipe Guide Calculator on June 9, 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.*