# Spill Calc Lite vs Fuels360

The clearest difference is update cadence: Fuels360 at fortnightly against Spill Calc Lite's every 16 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Spill Calc Lite ships an update every 16 months, Fuels360 fortnightly. The most recent releases landed on October 20, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Spill Calc Lite | Fuels360 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spill-calc-lite/id1089421597/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 1 MB | 18 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) | [Wingware LLC](https://appshunter.io/developer/989316884) |

## What reviewers say

### Spill Calc Lite

[App page](https://appshunter.io/ios/app/spill-calc-lite/id1089421597)

Quickly estimate surface spill volumes in the field with this tool. Calculate for square, rectangular, circular, and triangular spills, with options for tank displacement. Features a clean interface and helpful library for efficient on-site calculations.

**Highlights:** Estimate surface spill volumes, Calculate for square, rectangular, circular, and triangular spills, Optional tank displacement calculation, Immediate results in barrels and gallons, Clean and modern interface, Easy-to-use Help Library

**Features:** macOS Compatibility

**In-app purchases:** none


### Fuels360

[App page](https://appshunter.io/ios/app/fuels360/id6776757329)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Spill Calc Lite free?

Spill Calc Lite is free to download, with no in-app purchases.

### Is Fuels360 free?

Fuels360 is free to download, with no in-app purchases.

### Do Spill Calc Lite or Fuels360 have ads?

Neither Spill Calc Lite nor Fuels360 shows ads.

### Which is updated more often, Spill Calc Lite or Fuels360?

Spill Calc Lite ships an update every 16 months, and Fuels360 fortnightly. Most recently, Spill Calc Lite was updated on October 20, 2026 and Fuels360 on October 28, 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.*