# Fuel Uplift vs Holdover Time

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.

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.

## The numbers

| Metric | Fuel Uplift | Holdover Time |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[2.5 (6 ratings)](https://appshunter.io/ios/app/fuel-uplift/id346165774/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/holdover-time/id1600468704/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | **42.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 2 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michael Gehringer](https://appshunter.io/developer/346165777) | [Mohamed Farhadi](https://appshunter.io/developer/1191731876) |

## What reviewers say

### Fuel Uplift

[App page](https://appshunter.io/ios/app/fuel-uplift/id346165774)

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.

**Highlights:** 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

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

**In-app purchases:** none


### Holdover Time

[App page](https://appshunter.io/ios/app/holdover-time/id1600468704)

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.

**Highlights:** 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

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hold Over Time Calculator | $4.99 | per year |
| Hold Over Time Calculator | Free | one-time |
| Holdover Time - Life Time | $24.99 | one-time |


## Frequently asked questions

### Is Fuel Uplift free?

Fuel Uplift costs $2.99, with no in-app purchases.

### Is Holdover Time free?

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

### Which has better reviews, Fuel Uplift or Holdover Time?

Fuel Uplift is rated higher. Fuel Uplift averages 2.5 out of 5 from 6 ratings, while Holdover Time averages 1.0 from 1 ratings.

### Do Fuel Uplift or Holdover Time have ads?

Neither Fuel Uplift nor Holdover Time shows ads.

### Which is updated more often, Fuel Uplift or Holdover Time?

Fuel Uplift ships an update every 3 months, and Holdover Time every 2 weeks. Most recently, Fuel Uplift was updated on October 15, 2026 and Holdover Time on October 13, 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.*