# Multi vs CalculatorRed

The clearest difference is iOS requirement: Multi at 13.0 against CalculatorRed's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Multi ships an update every 3 weeks, CalculatorRed every 4 weeks. The most recent releases landed on October 9, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Multi | CalculatorRed |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (14 ratings)](https://appshunter.io/ios/app/multi-tab-calc-a-simple-app/id6451455008/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free | — |
| Size | 26 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Naoyuki Rikiji](https://appshunter.io/developer/1465757389) | [Kodwerk Software Ltd.](https://appshunter.io/developer/1741040469) |

## What reviewers say

### Multi

[App page](https://appshunter.io/ios/app/multi-tab-calc-a-simple-app/id6451455008)

Perform multiple calculations simultaneously in a single application. Seamlessly switch between different tabs for various operations. Designed for ease of use with a clean interface, it handles everything from simple math to totaling shopping lists.

**Highlights:** Multiple calculator tabs, Seamless tab switching, Optimized for casual use, Clean and simple design, Everyday calculation support

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

**In-app purchases:** none


### CalculatorRed

[App page](https://appshunter.io/ios/app/calculatorred/id6496602010)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Multi free?

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

### Is CalculatorRed free?

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

### Do Multi or CalculatorRed have ads?

Neither Multi nor CalculatorRed shows ads.

### Which is updated more often, Multi or CalculatorRed?

Multi ships an update every 3 weeks, and CalculatorRed every 4 weeks. Most recently, Multi was updated on October 9, 2026 and CalculatorRed on September 26, 2026.

---

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