Fuel Uplift vs Holdover Time
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fuel Uplift
This utility app assists pilots in calculating fuel uplift. It computes the difference between indicated fuel and the uplifted amount in kilograms and pounds, also converting various volume units and densities into mass.
- Calculate fuel uplift in kg and lbs
- Determine difference from indicated fuel
- Convert litres to kg/lbs
- Convert US gallons to kg/lbs
- Convert Imperial gallons to kg/lbs
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Pilot tool to calculate the uplifted amount of fuel in kilogram and pounds. Difference to indicated fuel will be calculated in kilogram/pounds and percent. Converts litres, US gallons and Imperial Gallons times the density into kilogram and pounds.
Holdover Time
Calculate essential deicing holdover times with the latest FAA guidelines for the 2025-2026 winter season. This tool provides accurate calculations for various fluid types and includes a real-time countdown timer for enhanced situational awareness.
- Up-to-date FAA Holdover Time Guidelines (2025-2026)
- Calculations for Fluid Types II, III, & IV
- Customized notes for specific fluids
- Intuitive interface for aviation professionals
- Real-time Holdover Time Countdown Timer
- Ad-free experience
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Holdover Time Calculator – FAA Winter 2025-2026 Stay prepared this winter with the latest FAA Holdover Time Guidelines for the 2025-2026 season. Our app makes it easy to calculate Holdover Times (HOT) and Allowance Times in just a few steps. Key Features: Up-to-Date FAA Tables: Includes the official FAA Holdover Time Guidelines for Winter 2025-2026. Fluid Types II, III & IV: Unlock full HOT tables with detailed fluid performance data. Customized Notes: Get tailored guidance and notes for the specific fluids and tables you are using. Simple & Reliable: Quickly calculate HOT with an intuitive interface designed for aviation professionals. Always Current: Updated regularly to reflect the most recent FAA revisions. Ad-Free Experience: No distractions, just the tools you need. New Feature: Added a Holdover Time Countdown Timer — visually track your deicing holdover period in real time, with color indicators and pause/resume controls for improved situational awareness. Perfect For: Pilots, dispatchers, ground crews, and aviation professionals who rely on accurate de/anti-icing guidance for safe operations. Take the guesswork out of winter operations. Download now and access the latest FAA HOT tables for 2025-2026 — with continuous updates as new data becomes available. Terms of Use (EULA): https://www.skyhightex.com/hot-privace-policy-eula/
Screenshots
Verdict
The clearest difference is price: Holdover Time at Free against Fuel Uplift's $2.99. Holdover Time also leads on update cadence (every 2 weeks vs every 3 months). Fuel Uplift's advantage is rating (2.5 vs 1.0) and review sentiment (42% vs 0%). On ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Holdover Time is free to download; Fuel Uplift costs $2.99 up front. Holdover Time sells 3 in-app purchases, starting at $4.99 per year. Fuel Uplift asks for nothing beyond the download.
Fuel Uplift holds the better App Store score, 2.5 against 1.0. That said, the two scores are not equally well evidenced: Fuel Uplift has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 42% of Fuel Uplift's written reviews are positive against 0% of Holdover Time's.
Fuel Uplift ships an update every 3 months, Holdover Time every 2 weeks. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.
| Parameter | Fuel Uplift | Holdover Time |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 2.5 (6 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 42.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 2 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Gehringer | Mohamed Farhadi |
Customer experience
Fuel Uplift
Holdover Time
In-app purchases
Fuel Uplift
No in-app purchases
Holdover Time
- Hold Over Time Calculator$4.991 Year
- Hold Over Time CalculatorFree
- Holdover Time - Life Time$24.99
