# Formula Calculator # vs Binary Calculator SDG

The clearest difference is in-app purchases: Binary Calculator SDG at none against Formula Calculator #'s 4. Formula Calculator #'s advantage is update cadence (every 5 weeks vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Formula Calculator # sells 4 one-off in-app purchases. Binary Calculator SDG asks for nothing beyond the download.

Formula Calculator # ships an update every 5 weeks, Binary Calculator SDG every 12 months. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Formula Calculator # | Binary Calculator SDG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/formula-calculator/id6504839903/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 12 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [威 刘](https://appshunter.io/developer/1465235012) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### Formula Calculator #

[App page](https://appshunter.io/ios/app/formula-calculator/id6504839903)

Perform calculations with a vast library of built-in formulas or create your own. Save and sync custom formulas to the cloud for easy access across devices. Includes a comprehensive scientific calculator.

**Highlights:** Extensive built-in calculation formulas, Create and save custom formulas, Cloud synchronization for custom formulas, Share custom formulas with others, Comprehensive scientific calculator

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month subscription | $1.49 | one-time |
| 3 months subscription | $2.49 | one-time |
| 6 months subscription | $3.49 | one-time |
| 1 year subscription | $4.49 | 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 Formula Calculator # free?

Formula Calculator # 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 Formula Calculator # or Binary Calculator SDG have ads?

Both Formula Calculator # and Binary Calculator SDG show ads.

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

Formula Calculator # ships an update every 5 weeks, and Binary Calculator SDG every 12 months. Most recently, Formula Calculator # was updated on October 2, 2026 and Binary Calculator SDG on October 10, 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.*