Comparison

Trigonometry Portal AR vs Hexaflexagons

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

Head to head
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.

About

Hexaflexagons

Design and create unique paper puzzles with hidden sides. Personalize them with your own designs or use templates for secret messages, photo gifts, or custom cards.

Highlights
  • Design custom hexaflexagons
  • Use pre-made designs
  • Create secret messages
  • Make photo gifts
  • Design birthday cards
  • Printable designs
Features
Read full description

Hexaflexagons are the ultimate paper puzzle, and this app helps you design and make them. What is a hexaflexagon, you ask? It's a paper puzzle that has a front side, a back side, plus hidden sides. It's fun to give them to your friends to see if they can find the hidden sides. Hexaflexagons are great for sending secret messages. Or as photo gifts. Or birthday cards. You can customize your own hexaflexagon or start from one of our designs. Please note that after a limited trial, a $3.99 unlimited use upgrade is required in order to have the app send you designs that you can print and fold at home.

Screenshots

Hexaflexagons4 screens

Verdict

The call

The clearest difference is review sentiment: Hexaflexagons at 98% against Trigonometry Portal AR's 0%. Hexaflexagons also leads on price (Free vs $1.99) and rating (5.0 vs 1.0). Trigonometry Portal AR's advantage is in-app purchases (none vs 2). On ads and iOS requirement 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

Hexaflexagons is free to download; Trigonometry Portal AR costs $1.99 up front. Hexaflexagons sells 2 one-off in-app purchases. Trigonometry Portal AR asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Hexaflexagons holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Hexaflexagons has 27 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Trigonometry Portal AR's written reviews are positive against 98% of Hexaflexagons's.

UpkeepUpdate frequency

Trigonometry Portal AR ships an update every 37 months, Hexaflexagons monthly. The most recent releases landed on June 1, 2026 and October 29, 2026 respectively.

Scorecard8 real differences · 2 level
Trigonometry Portal AR versus Hexaflexagons: the parameters behind the verdict, then further details
ParameterTrigonometry Portal ARHexaflexagons
Price$1.99Free — better
Rating1.0 (1 ratings)5.0 (27 ratings) — better
Positive reviews0.0% of reviews97.7% of reviews — better
Number of ratings127 — better
Update frequencyEvery 37 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.0 — better13.0
Further details — not scored
Size33 MB38 MB
Age rating4+4+
DeveloperVentura Educational SystemsVUXO I, CORP.

Customer experience

Trigonometry Portal AR

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

Hexaflexagons

All ratings27 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews44 reviews
Positive97.7%
Neutral0.0%
Negative2.3%

Bugs and requests

Trigonometry Portal AR

Not enough reviews yet to summarise bugs or requests.

Hexaflexagons

Requested features

2 requests
  • Incorporate more shapes
  • Add more categories for designs

In-app purchases

None

Trigonometry Portal AR

No in-app purchases

2 purchases

Hexaflexagons

One-time2
  • Make unlimited hexaflexagons$3.99
  • Make unlimited hexaflexagons$4.99

Questions

Is Trigonometry Portal AR free?
Trigonometry Portal AR costs $1.99, with no in-app purchases.
Is Hexaflexagons free?
Hexaflexagons is free to download, with in-app purchases available.
Which has better reviews, Trigonometry Portal AR or Hexaflexagons?
Hexaflexagons is rated higher. Trigonometry Portal AR averages 1.0 out of 5 from 1 ratings, while Hexaflexagons averages 5.0 from 27 ratings.
Do Trigonometry Portal AR or Hexaflexagons have ads?
Neither Trigonometry Portal AR nor Hexaflexagons shows ads.
Which is updated more often, Trigonometry Portal AR or Hexaflexagons?
Trigonometry Portal AR ships an update every 37 months, and Hexaflexagons monthly. Most recently, Trigonometry Portal AR was updated on June 1, 2026 and Hexaflexagons on October 29, 2026.

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