# Calculator 4.0 vs Binary Calculator SDG

The clearest difference is in-app purchases: Binary Calculator SDG at none against Calculator 4.0's 1. Calculator 4.0's advantage is update cadence (fortnightly vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator 4.0 sells 1 one-off in-app purchase. Binary Calculator SDG asks for nothing beyond the download.

Calculator 4.0 ships an update fortnightly, Binary Calculator SDG every 12 months. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Calculator 4.0 | Binary Calculator SDG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (53 ratings)](https://appshunter.io/ios/app/calculator-40/id6445965184/reviews)** | — |
| Number of ratings | **53** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 12 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Edison Largo](https://appshunter.io/developer/978541799) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### Calculator 4.0

[App page](https://appshunter.io/ios/app/calculator-40/id6445965184)

Perform daily calculations with a clean interface and large buttons. Features include decimal support, a calculation log, and two themes. Regular updates ensure continuous improvement and new functionalities.

**Highlights:** Intuitive interface with large buttons, Backspace key for corrections, Decimal point or comma support, Calculation display log, Two customizable themes, Regular updates with new features

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


### Binary Calculator SDG

[App page](https://appshunter.io/ios/app/binary-calculator-sdg/id6741471372)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator 4.0 free?

Calculator 4.0 is free to download, with in-app purchases available.

### Is Binary Calculator SDG free?

Binary Calculator SDG is free to download, with no in-app purchases.

### Do Calculator 4.0 or Binary Calculator SDG have ads?

Both Calculator 4.0 and Binary Calculator SDG show ads.

### Which is updated more often, Calculator 4.0 or Binary Calculator SDG?

Calculator 4.0 ships an update fortnightly, and Binary Calculator SDG every 12 months. Most recently, Calculator 4.0 was updated on September 10, 2026 and Binary Calculator SDG on September 14, 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.*