# Stair Stringer vs FuelAware

The clearest difference is price: FuelAware at Free against Stair Stringer's $1.99. FuelAware also leads on update cadence (weekly vs every 5 weeks) and rating (5.0 vs 4.7). Stair Stringer's advantage is in-app purchases (none vs 2) and ratings volume (86 vs 1). On ads and device support there is nothing between them.

FuelAware is free to download; Stair Stringer costs $1.99 up front. FuelAware sells 2 in-app purchases, starting at $8.99 per month. Stair Stringer asks for nothing beyond the download.

FuelAware holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Stair Stringer has 86 ratings behind it against 1, so its average is the more settled of the two.

Stair Stringer ships an update every 5 weeks, FuelAware weekly. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Stair Stringer | FuelAware |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.7 (86 ratings)](https://appshunter.io/ios/app/stair-stringer/id1550828339/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fuelaware/id6763505632/reviews)** |
| Number of ratings | **86** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | **Paid** | Subscription |
| Size | 2 MB | 30 MB |
| Requires iOS | **14.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [H3Apps LLC](https://appshunter.io/developer/598620927) | [Doss industries LLC](https://appshunter.io/developer/1895346971) |

## What reviewers say

### Stair Stringer

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

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


### FuelAware

[App page](https://appshunter.io/ios/app/fuelaware/id6763505632)

This app helps general aviation pilots track fuel burn and cost per leg for multi-tank aircraft. It provides detailed analysis of burn rates, costs, and aircraft-specific data, with live updates and reporting features.

**Highlights:** Live animated fuel gauges, Per-tank fuel accounting, Real cross-country burn rates, True cost per leg analysis, Trip-level data aggregation, Aircraft-specific templates, Private by design, no cloud sync

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FuelAware Monthly | $8.99 | per month |
| FuelAware Yearly | $79.99 | per year |


## Frequently asked questions

### Is Stair Stringer free?

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

### Is FuelAware free?

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

### Which has better reviews, Stair Stringer or FuelAware?

FuelAware is rated higher. Stair Stringer averages 4.7 out of 5 from 86 ratings, while FuelAware averages 5.0 from 1 ratings.

### Do Stair Stringer or FuelAware have ads?

Neither Stair Stringer nor FuelAware shows ads.

### Which is updated more often, Stair Stringer or FuelAware?

Stair Stringer ships an update every 5 weeks, and FuelAware weekly. Most recently, Stair Stringer was updated on October 8, 2026 and FuelAware on October 14, 2026.

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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.*