Prime Factors vs Fibonacci Sequence
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prime Factors
Explore numbers up to one trillion, with primes clearly marked. Tap any number to reveal its prime factors. Easily navigate to specific numbers using the search function and adjust the display with pinch-to-zoom gestures.
- View numbers up to 1 trillion
- Prime numbers highlighted
- Tap for prime factors
- Search for specific numbers
- Pinch and zoom display
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View all numbers from 1 to 1,000,000,000,000. Prime numbers shown with a red circle. Tap a number to see its Prime Factors. Jump directly to a number with the search field. • Prime Numbers are marked with a red circle • Prime Factors can be viewed by tapping on a number • Pinch and Zoom to change the number of columns
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 Prime Factors's $0.99. Fibonacci Sequence also leads on update cadence (every 4 days vs every 21 months) and device support (4 vs 2). On ads and in-app purchases 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; Prime Factors costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Prime Factors ships an update every 21 months, Fibonacci Sequence every 4 days. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.
| Parameter | Prime Factors | Fibonacci Sequence |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.9 (24 ratings) — better | — |
| Positive reviews | 78.6% of reviews | — |
| Number of ratings | 24 — better | — |
| Update frequency | Every 21 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 18.0 | 13.3 — better |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Hangas | Konstantinos Ladiellis |
In-app purchases
Prime Factors
No in-app purchases
Fibonacci Sequence
No in-app purchases
Questions
Is Prime Factors free?
Is Fibonacci Sequence free?
Do Prime Factors or Fibonacci Sequence have ads?
Which is updated more often, Prime Factors or Fibonacci Sequence?
Other comparisons
