# malc vs PrimeCalc

The clearest difference is price: PrimeCalc at Free against malc's $1.99. PrimeCalc also leads on update cadence (every 5 weeks vs every 5 months) and iOS requirement (12.0 vs 17.0). malc's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

PrimeCalc is free to download; malc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

malc ships an update every 5 months, PrimeCalc every 5 weeks. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | malc | PrimeCalc |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Size | 1 MB | 12 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [crenieq](https://appshunter.io/developer/545149659) | [Yutaka Nakao](https://appshunter.io/developer/1303008060) |

## What reviewers say

### malc

[App page](https://appshunter.io/ios/app/malc/id721874689)

**Features:** macOS Compatibility

**In-app purchases:** none


### PrimeCalc

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is malc free?

malc costs $1.99, with no in-app purchases.

### Is PrimeCalc free?

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

### Do malc or PrimeCalc have ads?

PrimeCalc shows ads; malc does not.

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

malc ships an update every 5 months, and PrimeCalc every 5 weeks. Most recently, malc was updated on September 14, 2026 and PrimeCalc on September 10, 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.*