# CalcKit vs Variable Calculator

The clearest difference is in-app purchases: CalcKit at none against Variable Calculator's 1. CalcKit also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Variable Calculator sells 1 in-app purchase, starting at $1.99 per month. CalcKit asks for nothing beyond the download.

## The numbers

| Metric | CalcKit | Variable Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 30 months | — |
| Monetization | Free | — |
| Size | 0 MB | 56 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Akkyra Systems](https://appshunter.io/developer/300710095) | [About Service Inc.](https://appshunter.io/developer/1750678932) |

## What reviewers say

### CalcKit

[App page](https://appshunter.io/ios/app/calckit/id321006774)

Design and build your own custom calculators with personalized formulas and input labels. Organize them into groups for easy access. Ideal for students, scientists, and engineers needing more than standard calculator functions.

**Highlights:** Design calculators with custom formulas, Up to seven user-defined variables, Built-in trig and math functions, Organize calculators into groups, Unlimited personal calculator creation

**Features:** macOS Compatibility

**In-app purchases:** none


### Variable Calculator

[App page](https://appshunter.io/ios/app/variable-calculator-formulas/id6504642679)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| unlock_subscription | $1.99 | per month |


## Frequently asked questions

### Is CalcKit free?

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

### Is Variable Calculator free?

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

### Do CalcKit or Variable Calculator have ads?

Variable Calculator shows ads; CalcKit does not.

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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.*