# Prime Factors vs Fibonacci Sequence

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.

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.

## The numbers

| Metric | Prime Factors | Fibonacci Sequence |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.9 (24 ratings)](https://appshunter.io/ios/app/prime-factors/id741746948/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 1 MB | 1 MB |
| Requires iOS | 18.0 | **13.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Hangas](https://appshunter.io/developer/433121902) | [Konstantinos Ladiellis](https://appshunter.io/developer/1516103440) |

## What reviewers say

### Prime Factors

[App page](https://appshunter.io/ios/app/prime-factors/id741746948)

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.

**Highlights:** View numbers up to 1 trillion, Prime numbers highlighted, Tap for prime factors, Search for specific numbers, Pinch and zoom display

**Features:** macOS Compatibility

**In-app purchases:** none


### Fibonacci Sequence

[App page](https://appshunter.io/ios/app/fibonacci-sequence/id1660404184)

**In-app purchases:** none


## Frequently asked questions

### Is Prime Factors free?

Prime Factors costs $0.99, with no in-app purchases.

### Is Fibonacci Sequence free?

Fibonacci Sequence is free to download, with no in-app purchases.

### Do Prime Factors or Fibonacci Sequence have ads?

Neither Prime Factors nor Fibonacci Sequence shows ads.

### Which is updated more often, Prime Factors or Fibonacci Sequence?

Prime Factors ships an update every 21 months, and Fibonacci Sequence every 4 days. Most recently, Prime Factors was updated on October 6, 2026 and Fibonacci Sequence on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*