# PrimeCalc vs interCalculator

The clearest difference is ads: interCalculator at none against PrimeCalc's shown. PrimeCalc's advantage is update cadence (every 5 weeks vs every 18 months) and iOS requirement (12.0 vs 15.6). On price, 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.

PrimeCalc ships an update every 5 weeks, interCalculator every 18 months. The most recent releases landed on September 10, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | PrimeCalc | interCalculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/intercalculator/id1550864236/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 18 months |
| Monetization | — | Free |
| Size | 12 MB | 54 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yutaka Nakao](https://appshunter.io/developer/1303008060) | [interfinity Limited](https://appshunter.io/developer/1774724445) |

## What reviewers say

### PrimeCalc

[App page](https://appshunter.io/ios/app/primecalc-modprime-factor/id1332239791)

**Features:** macOS Compatibility

**In-app purchases:** none


### interCalculator

[App page](https://appshunter.io/ios/app/intercalculator/id1550864236)

This utility app offers real-time calculations with optional haptic feedback and a dark mode. It supports unit conversions, number base conversions, and finding divisors for integers.

**Highlights:** Real-time results, Haptic feedback, Number base conversion, Divisor finder, Dark Mode, Customizable color scheme

**In-app purchases:** none


## Frequently asked questions

### Is PrimeCalc free?

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

### Is interCalculator free?

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

### Do PrimeCalc or interCalculator have ads?

PrimeCalc shows ads; interCalculator does not.

### Which is updated more often, PrimeCalc or interCalculator?

PrimeCalc ships an update every 5 weeks, and interCalculator every 18 months. Most recently, PrimeCalc was updated on September 10, 2026 and interCalculator on June 5, 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.*