# Multinomial vs Calcova

The clearest difference is in-app purchases: Multinomial at none against Calcova's 3. Calcova's advantage is update cadence (weekly vs every 47 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calcova sells 3 in-app purchases, starting at $2.99 per month. Multinomial asks for nothing beyond the download.

Multinomial ships an update every 47 months, Calcova weekly. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Multinomial | Calcova |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 47 months | **Weekly** |
| Size | 1 MB | 5 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Reinhard MAENNER](https://appshunter.io/developer/578568275) | [Ly Hong Phat](https://appshunter.io/developer/1749760941) |

## What reviewers say

### Multinomial

[App page](https://appshunter.io/ios/app/multinomial/id578568272)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calcova

[App page](https://appshunter.io/ios/app/calcova-scientific-calculator/id6769450028)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calcova Pro Monthly | $2.99 | per month |
| Calcova Pro Yearly | $12.99 | per year |
| Calcova Pro LifeTime | $34.99 | one-time |


## Frequently asked questions

### Is Multinomial free?

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

### Is Calcova free?

Calcova is free to download, with in-app purchases available.

### Do Multinomial or Calcova have ads?

Neither Multinomial nor Calcova shows ads.

### Which is updated more often, Multinomial or Calcova?

Multinomial ships an update every 47 months, and Calcova weekly. Most recently, Multinomial was updated on September 18, 2026 and Calcova on September 14, 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.*