# Calc Engine vs ANC Earphone

The clearest difference is in-app purchases: ANC Earphone at none against Calc Engine's 1. ANC Earphone also leads on iOS requirement (8.0 vs 18). On price, ads and device support there is nothing between them.

Both are free to download. Calc Engine sells 1 one-off in-app purchase. ANC Earphone asks for nothing beyond the download.

## The numbers

| Metric | Calc Engine | ANC Earphone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/calc-engine/id1061766849/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Daily | — |
| Monetization | Free | — |
| Size | 17 MB | 32 MB |
| Requires iOS | 18 | **8.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VersaEdge Software, LLC](https://appshunter.io/developer/301294952) | [Shenzhen Grandsun Electronic Co.,Ltd](https://appshunter.io/developer/1043379862) |

## What reviewers say

### Calc Engine

[App page](https://appshunter.io/ios/app/calc-engine/id1061766849)

A highly customizable calculator with advanced features like graphing, equation solving, and unit conversion. Design your own keyboards and functions to streamline your workflow across Apple devices.

**Highlights:** Customizable keyboard layouts, User-defined functions and constants, Live equation graphing, Equation solving, Extensive unit conversions, Programmer mode (hex, binary, octal), Cross-device syncing

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calc Engine+ | $9.99 | one-time |


### ANC Earphone

[App page](https://appshunter.io/ios/app/anc-earphone/id1181715781)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calc Engine free?

Calc Engine is free to download, with in-app purchases available.

### Is ANC Earphone free?

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

### Do Calc Engine or ANC Earphone have ads?

Neither Calc Engine nor ANC Earphone shows ads.

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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.*