# Formula Calculator # vs SonicClear

The clearest difference is price: Formula Calculator # at Free against SonicClear's $1.99. SonicClear's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Formula Calculator # is free to download; SonicClear costs $1.99 up front. Formula Calculator # sells 4 one-off in-app purchases. SonicClear asks for nothing beyond the download.

## The numbers

| Metric | Formula Calculator # | SonicClear |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| 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 | **No** |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 1 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [威 刘](https://appshunter.io/developer/1465235012) | [Emrah Korkmaz](https://appshunter.io/developer/1485564066) |

## 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 |


### SonicClear

[App page](https://appshunter.io/ios/app/sonicclear-water-eject/id6759001928)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Formula Calculator # free?

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

### Is SonicClear free?

SonicClear costs $1.99, with no in-app purchases.

### Do Formula Calculator # or SonicClear have ads?

Formula Calculator # shows ads; SonicClear does not.

---

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