# Calc vs Sunwindow

The clearest difference is iOS requirement: Sunwindow at 13.0 against Calc's 15.1. 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.

## The numbers

| Metric | Calc | Sunwindow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (41 ratings)](https://appshunter.io/ios/app/calc-multiline-calculator/id6482418917/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 18 MB | 18 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aleksei Khaliapin](https://appshunter.io/developer/1739805597) | [Hexperimental Media Inc](https://appshunter.io/developer/851927891) |

## What reviewers say

### Calc

[App page](https://appshunter.io/ios/app/calc-multiline-calculator/id6482418917)

This app offers instant calculations as you type, eliminating the need for an equals button. Its notepad-style interface allows for multiple calculations at once, with smart result reuse for efficiency. It's a free, user-friendly tool for everyday math, schoolwork, and professional tasks.

**Highlights:** Instant calculation as you type, Multiline input for multiple problems, Smart result reuse, Basic arithmetic and percentages, No equals button required, Clean, minimalist design

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

**In-app purchases:** none


### Sunwindow

[App page](https://appshunter.io/ios/app/sunwindow/id6790662680)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calc free?

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

### Is Sunwindow free?

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

### Do Calc or Sunwindow have ads?

Neither Calc nor Sunwindow shows ads.

---

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