# Calculation Machine vs SkyChrono

The clearest difference is iOS requirement: Calculation Machine at 12.0 against SkyChrono's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Calculation Machine | SkyChrono |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 25 MB | 1 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RECEP OGUZHAN SENOGLU](https://appshunter.io/developer/1726731806) | [Bian Dhoan Kwik](https://appshunter.io/developer/1793925532) |

## What reviewers say

### Calculation Machine

[App page](https://appshunter.io/ios/app/calculation-machine/id6476459597)

**Features:** macOS Compatibility

**In-app purchases:** none


### SkyChrono

[App page](https://appshunter.io/ios/app/skychrono/id6756916318)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculation Machine free?

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

### Is SkyChrono free?

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

### Do Calculation Machine or SkyChrono have ads?

Neither Calculation Machine nor SkyChrono shows ads.

---

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