# Calculator vs ROTA

The clearest difference is in-app purchases: ROTA at none against Calculator's 4. ROTA also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator sells 4 in-app purchases, starting at $2.49 per month. ROTA asks for nothing beyond the download.

## The numbers

| Metric | Calculator | ROTA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (207 ratings)](https://appshunter.io/ios/app/calculator-basic-and-scientific/id1521827072/reviews)** | — |
| Number of ratings | **207** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 97 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Ananta Technology Co., Ltd.](https://appshunter.io/developer/1508854889) | [Ahmet Selim Bogurcu](https://appshunter.io/developer/1873950297) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-basic-and-scientific/id1521827072)

This app offers a versatile calculator with basic, scientific, currency, and unit conversion functions. It provides a familiar interface for everyday math, advanced calculations, and quick conversions, with a history log for easy reference. Offline functionality and customizable themes enhance the user experience.

**Highlights:** Basic and scientific calculations, Currency conversion for 150+ currencies, Extensive unit conversion options, Calculation history, Offline functionality, Multiple themes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership - 1 Month | $2.49 | per month |
| Premium Monthly Pro | $2.49 | per month |
| Premium Membership - 1 Week | $2.49 | per 7 days |
| Premium Membership - 1 Year | $26.99 | per year |


### ROTA

[App page](https://appshunter.io/ios/app/rota-focus-trip/id6758614235)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

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

### Is ROTA free?

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

### Do Calculator or ROTA have ads?

Calculator shows ads; ROTA does not.

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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.*