Trigonometry Portal AR vs Hexaflexagons
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Augmented reality exploration
- Virtual trigonometry rooms
- Interactive information access
- Siri-read aloud definitions
- Scrollable term lists
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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.
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.
- Design custom hexaflexagons
- Use pre-made designs
- Create secret messages
- Make photo gifts
- Design birthday cards
- Printable designs
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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
Verdict
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
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.
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.
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.
| Parameter | Trigonometry Portal AR | Hexaflexagons |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 1.0 (1 ratings) | 5.0 (27 ratings) — better |
| Positive reviews | 0.0% of reviews | 97.7% of reviews — better |
| Number of ratings | 1 | 27 — better |
| Update frequency | Every 37 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 33 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Ventura Educational Systems | VUXO I, CORP. |
Customer experience
Trigonometry Portal AR
Hexaflexagons
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
Trigonometry Portal AR
No in-app purchases
Hexaflexagons
- Make unlimited hexaflexagons$3.99
- Make unlimited hexaflexagons$4.99
Questions
Is Trigonometry Portal AR free?
Is Hexaflexagons free?
Which has better reviews, Trigonometry Portal AR or Hexaflexagons?
Do Trigonometry Portal AR or Hexaflexagons have ads?
Which is updated more often, Trigonometry Portal AR or Hexaflexagons?
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