Comparison

Pythagoras HD vs Trigonometry Portal AR

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

Head to head
About

Pythagoras HD

Explore the Pythagorean Theorem through interactive puzzles and visual proofs. This educational app offers a unique, formula-free approach to understanding geometry. It's designed to make learning engaging and accessible.

Highlights
  • Visual proofs of Pythagorean Theorem
  • Interactive geometric puzzles
  • Formula-free learning
  • Engaging educational experience
  • iPad compatibility
Features
Read full description

A fascinating, beautiful and educating puzzle! Moreover, all this is a proof of the celebrated Pythagorean Theorem. Wait.. Several proofs! Now you can easily prove it without formulas!

About

Trigonometry Portal AR

Explore trigonometry concepts in an augmented reality environment. This app creates virtual rooms where you can interact with information about key terms and ideas from the high school curriculum. Walk around, tap on objects, and hear definitions read aloud.

Highlights
  • Augmented reality exploration
  • Virtual trigonometry rooms
  • Interactive information access
  • Siri-read aloud definitions
  • Scrollable term lists
Features
Read full description

Create virtual rooms filled with information about key terms and concepts from the high school trigonometry curriculum. Explore trigonometry in a new way with the Trigonometry Portal AR. Use the camera view on your iPad to detect a flat surface and then tap the screen. Instantly a portal opens to a world filled with information about the terms and concepts that are part of the trigonometry curriculum. Walk around in the augmented reality trigonometry portal. Tap on the walls and other objects in the rooms to get more information and to hear Siri read aloud information about the selected item. Scroll through a list of terms related to the rooms, walls and objects in the portal. Trigonometry Portal AR creates virtual rooms that are approximately 4 meters by 7 meters. It is best used in a well-lit open space, perhaps in a school's auditorium or multi-purpose room.

Verdict

The call

Pythagoras HD and Trigonometry Portal AR both sit at 1.0 stars, but that hides the real split: 43% of Pythagoras HD's written reviews are positive against 0% of Trigonometry Portal AR's. Pythagoras HD also leads on price ($0.99 vs $1.99). On rating, ratings volume, update cadence and ads 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

Pythagoras HD costs $0.99 and Trigonometry Portal AR $1.99 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 — 1.0 for Pythagoras HD against 1.0 for Trigonometry Portal AR. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 43% of Pythagoras HD's written reviews are positive against 0% of Trigonometry Portal AR's.

UpkeepUpdate frequency

Pythagoras HD ships an update every 24 months, Trigonometry Portal AR every 37 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard2 real differences · 8 level
Pythagoras HD versus Trigonometry Portal AR: the parameters behind the verdict, then further details
ParameterPythagoras HDTrigonometry Portal AR
Price$0.99 — better$1.99
Rating1.0 (1 ratings)1.0 (1 ratings)
Positive reviews42.9% of reviews — better0.0% of reviews
Number of ratings11
Update frequencyEvery 24 months — betterEvery 37 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPadiPad
Requires iOS12.012.0
Further details — not scored
Size10 MB33 MB
Age rating4+4+
DeveloperRoman KoksharovVentura Educational Systems

Customer experience

Pythagoras HD

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews14 reviews
Positive42.9%
Neutral0.0%
Negative57.1%

Trigonometry Portal AR

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Pythagoras HD

No in-app purchases

None

Trigonometry Portal AR

No in-app purchases

Questions

Is Pythagoras HD free?
Pythagoras HD costs $0.99, with no in-app purchases.
Is Trigonometry Portal AR free?
Trigonometry Portal AR costs $1.99, with no in-app purchases.
Which has better reviews, Pythagoras HD or Trigonometry Portal AR?
Pythagoras HD and Trigonometry Portal AR are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Pythagoras HD or Trigonometry Portal AR have ads?
Neither Pythagoras HD nor Trigonometry Portal AR shows ads.
Which is updated more often, Pythagoras HD or Trigonometry Portal AR?
Pythagoras HD ships an update every 24 months, and Trigonometry Portal AR every 37 months. Most recently, Pythagoras HD was updated on November 1, 2026 and Trigonometry Portal AR on November 2, 2026.

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