# Stair Stringer vs Freon Tracker

The clearest difference is price: Freon Tracker at Free against Stair Stringer's $1.99. Stair Stringer's advantage is in-app purchases (none vs 2) and chart position (#192 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Freon Tracker is free to download; Stair Stringer costs $1.99 up front. Freon Tracker sells 2 in-app purchases, starting at $19.99 per month. Stair Stringer asks for nothing beyond the download.

## The numbers

| Metric | Stair Stringer | Freon Tracker |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.7 (87 ratings)](https://appshunter.io/ios/app/stair-stringer/id1550828339/reviews)** | — |
| Number of ratings | **87** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Paid | — |
| Best chart rank | **#192** | — |
| Size | 2 MB | 36 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [H3Apps LLC](https://appshunter.io/developer/598620927) | [Muhammet Seytiyev](https://appshunter.io/developer/1887214954) |

## What reviewers say

### Stair Stringer

[App page](https://appshunter.io/ios/app/stair-stringer/id1550828339)

**Currently charting:** #192 Top Paid · Utilities (US App Store)

This app calculates all necessary measurements for building a stair stringer, including risers, run, angle, and length. Easily adjust parameters and switch between Imperial and Metric units. Share your calculated results via email or text.

**Highlights:** Calculates stair risers and run, Determines stair angle and stringer length, Calculates step height and tread depth, Determines the number of steps, Adjustable parameters, Imperial or Metric units, Share results via email/text

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

**In-app purchases:** none


### Freon Tracker

[App page](https://appshunter.io/ios/app/freon-tracker/id6761001685)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Subscription | $19.99 | per month |
| Pro Subscription | $219.99 | per year |


## Frequently asked questions

### Is Stair Stringer free?

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

### Is Freon Tracker free?

Freon Tracker is free to download, with in-app purchases available.

### Do Stair Stringer or Freon Tracker have ads?

Neither Stair Stringer nor Freon Tracker 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.*