# Calc vs ZArchiver Pro+

The clearest difference is iOS requirement: Calc at 12.0 against ZArchiver Pro+'s 15.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calc sells 3 in-app purchases, starting at $5.99 per 7 days and ZArchiver Pro+ sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Calc | ZArchiver Pro+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 9 months |
| Size | 110 MB | 70 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Manohar Varu](https://appshunter.io/developer/1741749388) | [Vijay Shiroya](https://appshunter.io/developer/1825357428) |

## What reviewers say

### Calc

[App page](https://appshunter.io/ios/app/calc-ai-math-problem-solver/id6503810403)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ai Math Problem Solve One Week | $5.99 | per 7 days |
| Remake Ai Face Swap One Month | $9.99 | per month |
| Ai Math Problem Solve Lifetime | $29.99 | one-time |


### ZArchiver Pro+

[App page](https://appshunter.io/ios/app/zarchiver-pro-plus/id6751270227)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Calc free?

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

### Is ZArchiver Pro+ free?

ZArchiver Pro+ is free to download, with in-app purchases available.

### Do Calc or ZArchiver Pro+ have ads?

Both Calc and ZArchiver Pro+ show ads.

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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.*