# fuelTool vs HOTs.

The clearest difference is review sentiment: HOTs. at 100% against fuelTool's 50%. HOTs. also leads on update cadence (every 5 days vs every 3 months). fuelTool's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. HOTs. sells 1 in-app purchase, starting at $9.99 per year. fuelTool asks for nothing beyond the download.

fuelTool ships an update every 3 months, HOTs. every 5 days. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | fuelTool | HOTs. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fueltool/id455651049/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 74 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Martin Groesbeek](https://appshunter.io/developer/455651052) | [Lagary Systems, Inc](https://appshunter.io/developer/1705480493) |

## What reviewers say

### fuelTool

[App page](https://appshunter.io/ios/app/fueltool/id455651049)

This aviation tool simplifies fuel uplift and weight calculations, allowing users to determine limiting mass, allowable fuel, or payload. It supports various unit conversions and can store aircraft data for faster calculations.

**Highlights:** Fuel uplift calculation (LBS/KG to LTR), Split fuel calculation for left & right tanks, Weight calculation for limiting mass, fuel, or payload, Crosswind calculation with METAR data, Aircraft data management (add, edit, delete), Downloadable company aircraft data

**Features:** macOS Compatibility

**In-app purchases:** none


### HOTs.

[App page](https://appshunter.io/ios/app/hots/id6477919986)

This aviation tool provides pilots with critical operational data and real-time hazard monitoring. Visualize global weather and turbulence reports on an interactive 3D globe for enhanced situational awareness.

**Highlights:** Real-time hazard monitoring, Interactive 3D globe visualization, SIGMETs, PIREPs, AIREPs, Turbulence reports, High-level hazard overlays, Pilot-focused interface

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HOTs Full Access | $9.99 | per year |


## Frequently asked questions

### Is fuelTool free?

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

### Is HOTs. free?

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

### Do fuelTool or HOTs. have ads?

Neither fuelTool nor HOTs. shows ads.

### Which is updated more often, fuelTool or HOTs.?

fuelTool ships an update every 3 months, and HOTs. every 5 days. Most recently, fuelTool was updated on November 1, 2026 and HOTs. on November 4, 2026.

---

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