Comparison

Trigr vs Flange Hole Marker Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Trigr

This app quickly solves for all unknown measurements of right-angle and isosceles triangles using just two known values. It's designed for students, engineers, and builders needing accurate triangle calculations.

Highlights
  • Solves right-angle and isosceles triangles
  • Calculates all unknown measurements
  • Requires only two known values
  • User-friendly interface
  • Accurate calculations
Features
Read full description

Looking for an easy-to-use trigonometry solving app that can handle both right angle and isosceles triangles? Look no further than Trigr! With just two measurements - whether it's two sides or one side and an angle - Trigr can quickly and accurately solve all the other measurements, making it the perfect tool for students, engineers, builders, and anyone who needs to work with triangles on a regular basis. With Trigr, you don't need to be a math whiz to solve complex trigonometry problems. Simply input your measurements and let the app do the rest! And with its user-friendly interface, you'll be able to solve even the most complicated triangles in no time at all. But Trigr isn't just easy to use - it's also incredibly versatile. Whether you're working on a construction site, designing a building, or simply studying for a math test, Trigr has the tools you need to make accurate calculations and solve problems with ease. So why wait? Download Trigr today and start solving triangles like a pro! Standard Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Flange Hole Marker Calculator

This engineering tool accurately calculates and marks bolt hole positions on flanges for machinists and fabricators. It offers features for equispaced, angle-based, and equivalent hole counts, saving time and reducing manual errors in workshop settings.

Highlights
  • Equispaced flange hole marking
  • Angle-based hole layout
  • Equivalent number of holes calculation
  • Accurate and reliable results
  • Simple interface
  • Reduces layout time
Features
Read full description

Flange Hole Calculator is a precise and easy-to-use engineering tool designed for machinists, fabricators, engineers, and workshop professionals who need accurate flange hole layout and marking. The app helps you calculate and mark bolt holes on flanges quickly, eliminating manual errors and saving valuable time on the shop floor. Whether you’re working with standard equispaced holes, custom angular layouts, or need to determine equivalent hole counts, this app delivers fast and reliable results for all flange-related calculations. Included Calculators: Equispaced Flange Hole Marking Calculate evenly spaced hole positions around a flange with perfect accuracy. Angle-Based Hole Layout Generate exact angles for each hole position to support custom and non-standard flange designs. Equivalent Number of Holes Determine the equivalent hole count for different flange configurations with ease. Why Use This App? Accurate and reliable calculations Ideal for CNC, fabrication, and mechanical design work Simple interface for quick results Reduces layout time and manual calculation errors The Flange Hole Calculator is a must-have utility for anyone involved in flange design, drilling, or manufacturing. Improve precision, boost productivity, and get your flange layouts right the first time.

Screenshots

Trigr3 screens
Flange Hole Marker Calculator4 screens

Verdict

The call

The clearest difference is update cadence: Trigr at daily against Flange Hole Marker Calculator's every 11 months. Trigr also leads on price ($1.99 vs $3.99). Flange Hole Marker Calculator's advantage is iOS requirement (13.0 vs 16.1). On rating, ratings volume, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Trigr costs $1.99 and Flange Hole Marker Calculator $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Trigr against 5.0 for Flange Hole Marker Calculator. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Trigr ships an update daily, Flange Hole Marker Calculator every 11 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

Scorecard3 real differences · 6 level
Trigr versus Flange Hole Marker Calculator: the parameters behind the verdict, then further details
ParameterTrigrFlange Hole Marker Calculator
Price$1.99 — better$3.99
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyDaily — betterEvery 11 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.113.0 — better
Further details — not scored
Size66 MB30 MB
Age rating4+4+
DeveloperEvolv Developments Pty. Ltd.Kantaben Gorasiya

Customer experience

Trigr

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Flange Hole Marker Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Trigr

No in-app purchases

None

Flange Hole Marker Calculator

No in-app purchases

Questions

Is Trigr free?
Trigr costs $1.99, with no in-app purchases.
Is Flange Hole Marker Calculator free?
Flange Hole Marker Calculator costs $3.99, with no in-app purchases.
Which has better reviews, Trigr or Flange Hole Marker Calculator?
Trigr and Flange Hole Marker Calculator are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Trigr or Flange Hole Marker Calculator have ads?
Neither Trigr nor Flange Hole Marker Calculator shows ads.
Which is updated more often, Trigr or Flange Hole Marker Calculator?
Trigr ships an update daily, and Flange Hole Marker Calculator every 11 months. Most recently, Trigr was updated on October 24, 2026 and Flange Hole Marker Calculator on October 17, 2026.

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