# CalculatorRed vs Calculator Classic Basic

The clearest difference is ads: CalculatorRed at none against Calculator Classic Basic's shown. Calculator Classic Basic's advantage is update cadence (every 5 days vs every 4 weeks) and iOS requirement (15.6 vs 17.0). On price, 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.

CalculatorRed ships an update every 4 weeks, Calculator Classic Basic every 5 days. The most recent releases landed on September 26, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CalculatorRed | Calculator Classic Basic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Size | 1 MB | 4 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kodwerk Software Ltd.](https://appshunter.io/developer/1741040469) | [Matrix Software Co.](https://appshunter.io/developer/1457004046) |

## What reviewers say

### CalculatorRed

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator Classic Basic

[App page](https://appshunter.io/ios/app/calculator-classic-basic/id6745878564)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CalculatorRed free?

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

### Is Calculator Classic Basic free?

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

### Do CalculatorRed or Calculator Classic Basic have ads?

Calculator Classic Basic shows ads; CalculatorRed does not.

### Which is updated more often, CalculatorRed or Calculator Classic Basic?

CalculatorRed ships an update every 4 weeks, and Calculator Classic Basic every 5 days. Most recently, CalculatorRed was updated on September 26, 2026 and Calculator Classic Basic on September 30, 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.*