# Siniat Systeme vs Stair Calculator

The clearest difference is price: Siniat Systeme at Free against Stair Calculator's $1.99. Siniat Systeme also leads on iOS requirement (15.1 vs 17.6). On in-app purchases there is nothing between them.

Siniat Systeme is free to download; Stair Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Siniat Systeme | Stair Calculator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 9 months | — |
| Size | 24 MB | 3 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [MPL Verbum SA](https://appshunter.io/developer/1131572884) | [Netflowers Inc.](https://appshunter.io/developer/1672067319) |

## What reviewers say

### Siniat Systeme

[App page](https://appshunter.io/ios/app/siniat-systeme/id1662858613)

**In-app purchases:** none


### Stair Calculator

[App page](https://appshunter.io/ios/app/stair-calculator-stringer-cut/id6810948163)

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

**In-app purchases:** none


## Frequently asked questions

### Is Siniat Systeme free?

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

### Is Stair Calculator free?

Stair Calculator costs $1.99, with no in-app purchases.

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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.*