# HOTCalculator vs Manual LoadSheet

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.

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.

## The numbers

| Metric | HOTCalculator | Manual LoadSheet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/hotcalculator/id423099991/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 2 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Johan Bergsee](https://appshunter.io/developer/423099994) | [Charles Oruko](https://appshunter.io/developer/1238732514) |

## What reviewers say

### HOTCalculator

[App page](https://appshunter.io/ios/app/hotcalculator/id423099991)

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.

**Highlights:** 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

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All fluids, 1 year | $3.99 | per year |
| All fluids winter 2026-2027 | $4.99 | one-time |
| All fluids winter 2025-2026 | $4.99 | one-time |
| All fluids winter 2024-2025 | $4.99 | one-time |


### Manual LoadSheet

[App page](https://appshunter.io/ios/app/manual-loadsheet/id6467655709)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HOTCalculator free?

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

### Is Manual LoadSheet free?

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

### Do HOTCalculator or Manual LoadSheet have ads?

Neither HOTCalculator nor Manual LoadSheet shows ads.

### Which is updated more often, HOTCalculator or Manual LoadSheet?

HOTCalculator ships an update every 6 months, and Manual LoadSheet every 6 months. Most recently, HOTCalculator was updated on October 18, 2026 and Manual LoadSheet on October 3, 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.*