# Spill Calc Lite vs WebEOC

The clearest difference is rating: Spill Calc Lite at 5.0 against WebEOC's 3.7. WebEOC's advantage is update cadence (every 5 weeks vs every 16 months) and ratings volume (20 vs 1). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: WebEOC has 20 ratings behind it against 1, so its average is the more settled of the two.

Spill Calc Lite ships an update every 16 months, WebEOC every 5 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Spill Calc Lite | WebEOC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spill-calc-lite/id1089421597/reviews)** | [3.7 (20 ratings)](https://appshunter.io/ios/app/webeoc/id1450386554/reviews) |
| Number of ratings | 1 | **20** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 27 MB |
| Requires iOS | 16.6 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) | [EMSystems LLC](https://appshunter.io/developer/1380217928) |

## 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


### WebEOC

[App page](https://appshunter.io/ios/app/webeoc/id1450386554)

Capture data, conduct assessments, and complete reports in the field to update crisis and incident management boards. Receive critical notifications and access mobile-friendly boards for easy viewing and editing on the go. Stay informed and play an integral role in emergency response events.

**Highlights:** Field data capture and reporting, Real-time critical notifications, Mobile-friendly board access, Online and offline work modes, Location auto-population, Image capture and attachment

**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 WebEOC free?

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

### Which has better reviews, Spill Calc Lite or WebEOC?

Spill Calc Lite is rated higher. Spill Calc Lite averages 5.0 out of 5 from 1 ratings, while WebEOC averages 3.7 from 20 ratings.

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

Neither Spill Calc Lite nor WebEOC shows ads.

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

Spill Calc Lite ships an update every 16 months, and WebEOC every 5 weeks. Most recently, Spill Calc Lite was updated on October 20, 2026 and WebEOC on October 24, 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.*