Trigonometry Portal AR vs Fibonacci Sequence
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.
Fibonacci Sequence
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Calculation of up to 999th term of Fibonacci sequence. Engaging string arithmetic to overcome big integer processing limitations of computers
Screenshots
Verdict
The clearest difference is price: Fibonacci Sequence at Free against Trigonometry Portal AR's $1.99. Fibonacci Sequence also leads on update cadence (every 4 days vs every 37 months) and device support (4 vs 1). On ads, in-app purchases 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
Fibonacci Sequence is free to download; Trigonometry Portal AR costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Trigonometry Portal AR ships an update every 37 months, Fibonacci Sequence every 4 days. The most recent releases landed on June 1, 2026 and October 20, 2026 respectively.
| Parameter | Trigonometry Portal AR | Fibonacci Sequence |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 37 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 — better | 13.3 |
| Further details — not scored | ||
| Size | 33 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Ventura Educational Systems | Konstantinos Ladiellis |
In-app purchases
Trigonometry Portal AR
No in-app purchases
Fibonacci Sequence
No in-app purchases
Questions
Is Trigonometry Portal AR free?
Is Fibonacci Sequence free?
Do Trigonometry Portal AR or Fibonacci Sequence have ads?
Which is updated more often, Trigonometry Portal AR or Fibonacci Sequence?
Other comparisons
