Comparison

Isometric Paper vs Triangle & Angle calculator

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

Head to head
About

Isometric Paper

Create isometric drawings of various solid objects. This tool allows users to visualize and sketch 3D shapes in an isometric perspective.

Highlights
  • Draw isometric views
  • Visualize solid objects
  • 3D shape sketching
Read full description

With this app you can draw isometric views of several solids.

About

Triangle & Angle calculator

Easily solve geometry exercises and verify your calculations with this tool. It simplifies complex problems with a single click, making math more accessible.

Highlights
  • Solve geometry exercises
  • Check calculations
  • Simple click interface
  • Angle calculations
  • Formula solver
Features
Read full description

It is now easier to solve exercises and check his calculations. And with a simple click! For any question / suggestion: TeamTrigoIOS@gmail.com

Screenshots

Isometric Paper3 screens
Triangle & Angle calculator4 screens

Verdict

The call

The clearest difference is review sentiment: Isometric Paper at 59% against Triangle & Angle calculator's 5%. Isometric Paper also leads on in-app purchases (none vs 2) and iOS requirement (9.0 vs 15.0). Triangle & Angle calculator's advantage is rating (4.1 vs 3.5) and update cadence (every 3 months vs every 16 months). On price, ads and device support 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

Both are free to download. Triangle & Angle calculator sells 2 one-off in-app purchases. Isometric Paper asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Triangle & Angle calculator holds the better App Store score, 4.1 against 3.5. That said, the two scores are not equally well evidenced: Triangle & Angle calculator has 217 ratings behind it against 42, so its average is the more settled of the two. Written reviews complicate that: 59% of Isometric Paper's written reviews are positive against 5% of Triangle & Angle calculator's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Isometric Paper ships an update every 16 months, Triangle & Angle calculator every 3 months. Both last shipped on October 24, 2026.

Scorecard7 real differences · 3 level
Isometric Paper versus Triangle & Angle calculator: the parameters behind the verdict, then further details
ParameterIsometric PaperTriangle & Angle calculator
PriceFreeFree
Rating3.5 (42 ratings)4.1 (217 ratings) — better
Positive reviews59.3% of reviews — better4.5% of reviews
Number of ratings42217 — better
Update frequencyEvery 16 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size15 MB7 MB
Age rating4+4+
DeveloperHeiko EtzoldMaxime Haeyaert

Customer experience

Isometric Paper

All ratings41 ratings
Positive61.0%
Neutral9.8%
Negative29.3%
Written reviews81 reviews
Positive59.3%
Neutral14.8%
Negative25.9%

Triangle & Angle calculator

All ratings209 ratings
Positive75.6%
Neutral5.3%
Negative19.1%
Written reviews22 reviews
Positive4.5%
Neutral4.5%
Negative90.9%

Bugs and requests

Isometric Paper

Not enough reviews yet to summarise bugs or requests.

Triangle & Angle calculator

Reported bugs

6 issues
  • Pop-up obstructs initial use
  • Cannot change settings due to pop-up
  • Formulas not visible after payment
  • App resets angles
  • Menu covers solution
Show 1 more
  • Rectangular triangle missing after update

Requested features

2 requests
  • Metric version available
  • Option to disable ads without payment

In-app purchases

None

Isometric Paper

No in-app purchases

2 purchases

Triangle & Angle calculator

One-time2
  • Deleting advertisements$0.99
  • Detail Calculations and formul$1.99

Questions

Is Isometric Paper free?
Isometric Paper is free to download, with no in-app purchases.
Is Triangle & Angle calculator free?
Triangle & Angle calculator is free to download, with in-app purchases available.
Which has better reviews, Isometric Paper or Triangle & Angle calculator?
Triangle & Angle calculator is rated higher. Isometric Paper averages 3.5 out of 5 from 42 ratings, while Triangle & Angle calculator averages 4.1 from 217 ratings.
Do Isometric Paper or Triangle & Angle calculator have ads?
Neither Isometric Paper nor Triangle & Angle calculator shows ads.
Which is updated more often, Isometric Paper or Triangle & Angle calculator?
Isometric Paper ships an update every 16 months, and Triangle & Angle calculator every 3 months. Most recently, Isometric Paper was updated on October 24, 2026 and Triangle & Angle calculator on October 24, 2026.

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