Isometric Paper vs Trigonometry calc
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.
Trigonometry calc
Calculate side lengths and angles in right-angled triangles using Pythagorean theorem and trigonometry functions. Learn basic trigonometry concepts. An optional premium version removes ads and unlocks a general triangle calculator.
- Calculate side lengths
- Calculate angles
- Pythagorean Theorem
- Trigonometry functions
- Learn simple trigonometry
- General triangle calculator (premium)
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Use Trigonometry Calc to calculate sidelengths and angles in the right angled triangle. By the help of Pythagorean Theorem and some trigonometry functions you can in this app calculate side lengths and angles in any right angled triangle. Learn simple trigonometry. •Math •Trigonometry •Pythagorean Theorem Trigonometry Premium Go ad-free forever and unlock the advanced General Triangle Calculator (SAS/SSA/ASA). Solve any triangle, not just right triangles
Screenshots
Verdict
The clearest difference is review sentiment: Isometric Paper at 59% against Trigonometry calc's 0%. Isometric Paper also leads on rating (3.5 vs 3.0) and in-app purchases (none vs 1). Trigonometry calc's advantage is update cadence (every 3 months vs every 16 months). On price 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. Trigonometry calc sells 1 one-off in-app purchase. Isometric Paper asks for nothing beyond the download.
Isometric Paper holds the better App Store score, 3.5 against 3.0. That said, the two scores are not equally well evidenced: Isometric Paper has 41 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 59% of Isometric Paper's written reviews are positive against 0% of Trigonometry calc's.
Isometric Paper ships an update every 16 months, Trigonometry calc every 3 months. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.
| Parameter | Isometric Paper | Trigonometry calc |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (41 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 59.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 41 — better | 2 |
| Update frequency | Every 16 months | Every 3 months — better |
| Ads | No — better | Yes |
| 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 | 15.6 |
| Further details — not scored | ||
| Size | 15 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Heiko Etzold | Bo Kalvslund |
Customer experience
Isometric Paper
Trigonometry calc
In-app purchases
Isometric Paper
No in-app purchases
Trigonometry calc
- Premium$0.99
Questions
Is Isometric Paper free?
Is Trigonometry calc free?
Which has better reviews, Isometric Paper or Trigonometry calc?
Do Isometric Paper or Trigonometry calc have ads?
Which is updated more often, Isometric Paper or Trigonometry calc?
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