Isometric Paper vs Triangle & Angle calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Isometric Paper
Create isometric drawings of various solid objects. This tool allows users to visualize and sketch 3D shapes in an isometric perspective.
- Draw isometric views
- Visualize solid objects
- 3D shape sketching
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With this app you can draw isometric views of several solids.
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.
- Solve geometry exercises
- Check calculations
- Simple click interface
- Angle calculations
- Formula solver
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It is now easier to solve exercises and check his calculations. And with a simple click! For any question / suggestion: TeamTrigoIOS@gmail.com
Screenshots
Verdict
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
Both are free to download. Triangle & Angle calculator sells 2 one-off in-app purchases. Isometric Paper asks for nothing beyond the download.
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.
Isometric Paper ships an update every 16 months, Triangle & Angle calculator every 3 months. Both last shipped on October 24, 2026.
| Parameter | Isometric Paper | Triangle & Angle calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (42 ratings) | 4.1 (217 ratings) — better |
| Positive reviews | 59.3% of reviews — better | 4.5% of reviews |
| Number of ratings | 42 | 217 — better |
| Update frequency | Every 16 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Heiko Etzold | Maxime Haeyaert |
Customer experience
Isometric Paper
Triangle & Angle calculator
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
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- Rectangular triangle missing after update
Requested features
2 requests- Metric version available
- Option to disable ads without payment
In-app purchases
Isometric Paper
No in-app purchases
Triangle & Angle calculator
- Deleting advertisements$0.99
- Detail Calculations and formul$1.99
Questions
Is Isometric Paper free?
Is Triangle & Angle calculator free?
Which has better reviews, Isometric Paper or Triangle & Angle calculator?
Do Isometric Paper or Triangle & Angle calculator have ads?
Which is updated more often, Isometric Paper or Triangle & Angle calculator?
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