Spill Calc Lite vs WebEOC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spill Calc Lite
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.
- 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
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Spill Calc Lite is a fast, reliable tool built for estimating surface spill volumes in the field. Quickly calculate spill volumes by selecting a shape, entering your measurements, and getting immediate results in barrels and gallons—right when you need them most. Supported spill types: • Square and rectangular spills • Circular spills • Triangular spills Rectangle and square calculations also include optional tank displacement, helping you account for real-world conditions on location. Designed with a clean, modern interface and an easy-to-use Help Library, Spill Calc Lite keeps calculations simple, clear, and efficient—so you can focus on the job at hand. Need more advanced features? Upgrade to Spill Calc Pro to save calculations, organize multiple spill sections, and export your data.
WebEOC
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.
- 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
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With the WebEOC app, you can capture data, conduct assessments and complete reports in the field to automatically update WebEOC boards. Stay on top of critical notifications about incidents, statuses, resources, locations, and announcements while on the go. Access mobile-friendly boards for easy viewing and editing when away from your desk. The WebEOC app keeps you informed and allows you to play an integral role in emergency response events unfolding in your organization or region. According to your roles and permissions, you can: • Configure multiple WebEOC accounts • Select from multiple positions and incidents • Receive alerts and messages via push notifications • Navigate directly to a board from notifications • Add, edit and delete board data • Complete field reports • Work online or offline • Auto-populate your location's latitude and longitude • Capture and attach images to records WebEOC administrators can: • Configure any status board to send notifications • Customize the push notification messages • Use existing status board fields to indicate message recipients and content • Choose to include the board name or an alias name • Identify mobile-friendly boards to be accessed via the app Information entered in the app is immediately available in the WebEOC solution to keep everyone connected to the command or emergency operations center. When working offline, form entries are captured in the app and data is immediately synced when connectivity is restored. If the available standard forms for offline use do not meet all of your organization’s needs, custom forms can be developed by the Juvare team. About WebEOC WebEOC is a crisis and incident management solution that supports intelligent response and business resiliency. Organizations of all sizes use WebEOC's uniquely customizable set of utilities for complete situational awareness in support of their daily operations and emergency management needs. WebEOC 8.6.1.1 or higher and a valid account is required to access this Juvare solution. Learn more at www.juvare.com.
Screenshots
Verdict
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.
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. 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.
| Parameter | Spill Calc Lite | WebEOC |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.7 (20 ratings) |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | 1 | 20 — better |
| Update frequency | Every 16 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.5 — better |
| Further details — not scored | ||
| Size | 1 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Kelly Gayneaux | EMSystems LLC |
Customer experience
Spill Calc Lite
WebEOC
In-app purchases
Spill Calc Lite
No in-app purchases
WebEOC
No in-app purchases









