# Calculator Brut vs Parallel

The clearest difference is iOS requirement: Parallel at 18.0 against Calculator Brut's 26.5. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Calculator Brut ships an update every 11 days, Parallel every 6 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Calculator Brut | Parallel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/parallel-multi-calculator/id6794806258/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 6 days** |
| Monetization | — | Free |
| Size | 5 MB | 16 MB |
| Requires iOS | 26.5 | **18.0** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Jerry Munyoka Nkongolo](https://appshunter.io/developer/1835149593) | [Evgenii Chizhov](https://appshunter.io/developer/6794806260) |

## What reviewers say

### Calculator Brut

[App page](https://appshunter.io/ios/app/calculator-brut/id6792244800)

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

**In-app purchases:** none


### Parallel

[App page](https://appshunter.io/ios/app/parallel-multi-calculator/id6794806258)

Perform multiple calculations simultaneously with a drag-and-drop interface. Features a scientific calculator, currency and crypto converter, and history saving with optional privacy locks. Customize with themes and fonts.

**Highlights:** Run 2, 3, or 4 calculations side-by-side, Drag and drop calculation arrangement, Scientific calculator mode, Currency and crypto converter, Save calculation history with notes, Face ID/passcode lock for privacy, Home screen widget and Quick Menu access

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Brut free?

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

### Is Parallel free?

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

### Do Calculator Brut or Parallel have ads?

Neither Calculator Brut nor Parallel shows ads.

### Which is updated more often, Calculator Brut or Parallel?

Calculator Brut ships an update every 11 days, and Parallel every 6 days. Most recently, Calculator Brut was updated on October 7, 2026 and Parallel on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*