247+ iOS apps & games curated and reviewed
Prime Factorization is the household name in prime numbers, but it's far from the only option. We track 247+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.4★ (5) | No | No | Aug 2026 | |
| 2 |  | Free | 4.7★ (51) | No | No | Oct 2026 | |
| 3 |  | $0.99 | 3.9★ (24) | No | No | Oct 2026 | |
| 4 |  | Free | 4.9★ (33) | No | No | Oct 2026 | |
| 5 |  | Free | — | No | No | Sep 2026 | |
| 6 |  | Free | 5.0★ (3) | No | No | May 2026 | |
| 7 |  | Free | — | Yes | No | Aug 2026 | |
| 8 |  | $4.99 | 4.7★ (19) | No | No | Oct 2026 |
This utility app breaks down integers into their prime factors. It also calculates the number and sum of divisors, lists all divisors, and identifies specific number types like prime, perfect, abundant, or deficient.
This app helps you explore prime numbers. You can quickly determine if a number is prime, find the next prime number, or generate a list of primes within a range. It also includes a feature to test your device's processing speed by searching for prime numbers.
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.
