Trig Solver vs Pipe Guide Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trig Solver
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.
- 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)
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A Triangle Solver that has a regular triangle solver as well as a right triangle solver. Regular Triangle - Enter one of the following and hit Calculate: 2 sides and an angle 2 angles and a side 3 sides Right Triangle - Enter one of the following and hit Calculate: 2 sides a side and an angle
Pipe Guide Calculator
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.
- All necessary computations in one place
- Useful calculations for pipe fitting
- Eliminates the need for tables
- Saves time on the job
- Designed for welders
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Pipe Guide Calculator is the perfect tool for those who want all necessary computations in one place. The app gives you the most useful calculation that you need for pipe fitting. Pipe Guide Calculator eliminates all the tables and the best of all: you save time in your work. Created by a welder for welders.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Trig Solver | Pipe Guide Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (78 ratings) — better | 3.0 (4 ratings) |
| Positive reviews | 74.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 78 — better | 4 |
| Update frequency | Every 28 months | Every 12 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 8 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Creature Code Mobile, LLC | IT Welding Sweden AB |
Customer experience
Trig Solver
Pipe Guide Calculator
Bugs and requests
Trig Solver
Reported bugs
12 issues- 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
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- Base hidden behind buttons on older phones
- Fails with small machining angles (gives 90 degrees)
- Wrong values under 'regular triangle'
- Returned wrong values for side angle side
- Incorrect values on irregular triangle
- Paid to remove ads but ads still present
- NaN results
Requested features
8 requests- Rotate the triangle
- Show the work/steps
- Add square root functionality
- Option to pay to remove ads
- Modify single value without reset
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- Graph resultant triangle
- Show more decimal places (3, 4, or 5)
- Add comma as decimal separator option
Pipe Guide Calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Trig Solver
No in-app purchases
Pipe Guide Calculator
No in-app purchases
Questions
Is Trig Solver free?
Is Pipe Guide Calculator free?
Which has better reviews, Trig Solver or Pipe Guide Calculator?
Do Trig Solver or Pipe Guide Calculator have ads?
Which is updated more often, Trig Solver or Pipe Guide Calculator?
Other comparisons
