# Primality vs Elaborate Calculator

The clearest difference is update cadence: Primality at every 2 months against Elaborate Calculator's every 4 months. Primality also leads on iOS requirement (13.2 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Primality ships an update every 2 months, Elaborate Calculator every 4 months. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Primality | Elaborate Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (24 ratings)](https://appshunter.io/ios/app/primality/id1516003672/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 1 MB | 5 MB |
| Requires iOS | **13.2** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Bruce Schechter](https://appshunter.io/developer/1515359087) | [Brandon Roehl](https://appshunter.io/developer/1350609761) |

## What reviewers say

### Primality

[App page](https://appshunter.io/ios/app/primality/id1516003672)

This app determines if a given integer is prime or provides its prime factors. It also calculates the ordinal position of prime numbers found, up to a certain limit.

**Highlights:** Primality testing, Prime factorization, Prime ordinality calculation, Large integer support (up to 999,999,999,999), Clean and simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Elaborate Calculator

[App page](https://appshunter.io/ios/app/elaborate-calculator/id6746104582)

**In-app purchases:** none


## Frequently asked questions

### Is Primality free?

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

### Is Elaborate Calculator free?

Elaborate Calculator is free to download, with no in-app purchases.

### Do Primality or Elaborate Calculator have ads?

Neither Primality nor Elaborate Calculator shows ads.

### Which is updated more often, Primality or Elaborate Calculator?

Primality ships an update every 2 months, and Elaborate Calculator every 4 months. Most recently, Primality was updated on September 9, 2026 and Elaborate Calculator on September 13, 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.*