# Better Calculator vs Ziro

The clearest difference is update cadence: Better Calculator at weekly against Ziro's every 2 months. 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.

Better Calculator ships an update weekly, Ziro every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Better Calculator | Ziro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (7 ratings)](https://appshunter.io/ios/app/better-calculator/id1118056690/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | — |
| Size | 1 MB | 46 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joachim Neumann](https://appshunter.io/developer/741515887) | [Innolope](https://appshunter.io/developer/1830527288) |

## What reviewers say

### Better Calculator

[App page](https://appshunter.io/ios/app/better-calculator/id1118056690)

Perform calculations with extreme precision, supporting up to one million digits. This open-source tool is ideal for complex mathematical tasks.

**Highlights:** High precision calculations, Up to one million digits, Open source, Bug reporting via GitHub

**In-app purchases:** none


### Ziro

[App page](https://appshunter.io/ios/app/ziro-binary-clock-and-focus/id6756921343)

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

**In-app purchases:** none


## Frequently asked questions

### Is Better Calculator free?

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

### Is Ziro free?

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

### Do Better Calculator or Ziro have ads?

Neither Better Calculator nor Ziro shows ads.

### Which is updated more often, Better Calculator or Ziro?

Better Calculator ships an update weekly, and Ziro every 2 months. Most recently, Better Calculator was updated on October 24, 2026 and Ziro on October 25, 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.*