# ParkingHeater vs StairSmith

The clearest difference is price: ParkingHeater at Free against StairSmith's $6.99. ParkingHeater also leads on iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

ParkingHeater is free to download; StairSmith costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ParkingHeater | StairSmith |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stairsmith/id6767048001/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | **Free** | Paid |
| Size | 66 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [向洋 周](https://appshunter.io/developer/1616374203) | [Taylor Cascino](https://appshunter.io/developer/1882107919) |

## What reviewers say

### ParkingHeater

[App page](https://appshunter.io/ios/app/parkingheater/id6730112352)

Control your remote parking heater via the internet. Start, stop, and monitor its operational status from anywhere. This utility app provides convenient remote management for your vehicle's heating system.

**Highlights:** Remote start/stop, View operational status, Internet-based control, Parking heater management

**In-app purchases:** none


### StairSmith

[App page](https://appshunter.io/ios/app/stairsmith/id6767048001)

This app calculates stair dimensions, checks building codes, and generates cut lists for builders and DIYers. It provides live diagrams, lumber information, and framing square layouts, all without requiring an account or subscription. The tool is designed for efficiency at the workbench and offers print-ready PDFs.

**Highlights:** Live elevation diagram, Print-ready PDF reports, Building code compliance checks, Framing square layout diagrams, Lumber and cut sheet generation, Supports multiple building codes

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

**In-app purchases:** none


## Frequently asked questions

### Is ParkingHeater free?

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

### Is StairSmith free?

StairSmith costs $6.99, with no in-app purchases.

### Do ParkingHeater or StairSmith have ads?

Neither ParkingHeater nor StairSmith 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.*