# Calc Engine vs Calculator

The clearest difference is in-app purchases: Calculator at none against Calc Engine's 1. Calculator also leads on iOS requirement (16.4 vs 18). Calc Engine's advantage is update cadence (daily vs monthly) and device support (4 vs 2). On price and ads there is nothing between them.

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

Calc Engine ships an update daily, Calculator monthly. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Calc Engine | Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calc-engine/id1061766849/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Monthly |
| Monetization | Free | — |
| Size | 17 MB | 32 MB |
| Requires iOS | 18 | **16.4** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VersaEdge Software, LLC](https://appshunter.io/developer/301294952) | [Hussain HUSSAIN NASEER](https://appshunter.io/developer/6801492349) |

## 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 |


### Calculator

[App page](https://appshunter.io/ios/app/calculator-basic-plus-scientific/id6801492347)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calc Engine free?

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

### Is Calculator free?

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

### Do Calc Engine or Calculator have ads?

Neither Calc Engine nor Calculator shows ads.

### Which is updated more often, Calc Engine or Calculator?

Calc Engine ships an update daily, and Calculator monthly. Most recently, Calc Engine was updated on October 16, 2026 and Calculator on October 8, 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.*