HOTCalculator vs Manual LoadSheet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HOTCalculator
Quickly calculate hold-over times for various de-icing and anti-icing fluids. This tool supports different fluid types, temperature units, and includes adjusted times for specific conditions, making it ideal for pilots.
- Calculate hold-over time for de-icing/anti-icing fluids
- Support for Type I, II, III, and IV fluids
- FAA or Transport Canada guidelines
- Support for °C or °F
- Adjusted times for flaps extended
- In-flight mode usability
- Holdover time expiration alarm
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Calculate hold-over time fast and easy with the HOTCalculator! With this app you can find the holdover-time in a few seconds. No more searching for the right page and table in your paper manuals. Very handy tool for all pilots during winter ops. The perfect tool to include in your Electronic Flight Bag! Features: - Support for Type I, Type II, Type III and Type IV de-icing and anti-icing fluids - *NEW*: Select FAA or Transport Canada HOT guidelines - Use °C or °F as appropriate - *NEW*: Includes adjusted holdover times for anti-icing with flaps extended - Usable in flight mode, when you need it the most - Set a timer that gives off an alarm when the holdover-time expires - Includes Allowance Times for Type IV fluids Terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Manual LoadSheet
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Manual Loadsheet is a digital presentation of a Paper Loadsheet using a common predetermined template. It is meant to be used to augment the manual loadsheet creation for those that have similar templates . It is designed to help crosscheck the loadsheet by Pilots and Dispatchers. This Software is for information ONLY and is NOT intended to replace operational procedures. You are responsible for your calculations and resulting actions. This App has NOT been approved by any aviation authority or Airline to perform aviation safety tasks., Currently covers. - B737 -800 - B737 - 300 Cargo Freighter
Screenshots
Verdict
The clearest difference is in-app purchases: Manual LoadSheet at none against HOTCalculator's 4. On price, update cadence, 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
Both are free to download. HOTCalculator sells 4 in-app purchases, starting at $3.99 per year. Manual LoadSheet asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.
| Parameter | HOTCalculator | Manual LoadSheet |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | — |
| Positive reviews | 86.7% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 6 months | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPad |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Johan Bergsee | Charles Oruko |
In-app purchases
HOTCalculator
- All fluids, 1 year7 Days trial$3.991 Year
- All fluids winter 2026-2027$4.99
- All fluids winter 2025-2026$4.99
- All fluids winter 2024-2025$4.99
Manual LoadSheet
No in-app purchases
