# Calculator Calcora vs ZeroZip

The clearest difference is in-app purchases: Calculator Calcora at none against ZeroZip's 1. ZeroZip's advantage is iOS requirement (13.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ZeroZip sells 1 one-off in-app purchase. Calculator Calcora asks for nothing beyond the download.

Calculator Calcora ships an update monthly, ZeroZip every 2 months. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Calculator Calcora | ZeroZip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 1 MB | 28 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oleksandr Bashev](https://appshunter.io/developer/1796862643) | [genghong Xie](https://appshunter.io/developer/1785558382) |

## What reviewers say

### Calculator Calcora

[App page](https://appshunter.io/ios/app/calculator-calcora/id6742111022)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZeroZip

[App page](https://appshunter.io/ios/app/zerozip/id6755241805)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free | $1.99 | one-time |


## Frequently asked questions

### Is Calculator Calcora free?

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

### Is ZeroZip free?

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

### Do Calculator Calcora or ZeroZip have ads?

Neither Calculator Calcora nor ZeroZip shows ads.

### Which is updated more often, Calculator Calcora or ZeroZip?

Calculator Calcora ships an update monthly, and ZeroZip every 2 months. Most recently, Calculator Calcora was updated on September 20, 2026 and ZeroZip on September 9, 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.*