# Spill Calc Lite vs VertiGIS Studio Go

The clearest difference is rating: Spill Calc Lite at 5.0 against VertiGIS Studio Go's 4.0. VertiGIS Studio Go's advantage is update cadence (every 2 months vs every 16 months). On price, ratings volume, ads and in-app purchases 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 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Spill Calc Lite ships an update every 16 months, VertiGIS Studio Go every 2 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Spill Calc Lite | VertiGIS Studio Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spill-calc-lite/id1089421597/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/vertigis-studio-go/id1448420270/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 1 MB | 169 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) | [VertiGIS North America Ltd.](https://appshunter.io/developer/1448420269) |

## 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


### VertiGIS Studio Go

[App page](https://appshunter.io/ios/app/vertigis-studio-go/id1448420270)

This app allows GIS developers to preview mobile applications during the development process. Users can access necessary applications for fieldwork, with offline capabilities and custom business process support.

**Highlights:** Preview mobile apps during development, Offline data access and editing, Customizable business processes, Centralized application access, Integration with VertiGIS Studio Workflow

**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 VertiGIS Studio Go free?

VertiGIS Studio Go is free to download, with no in-app purchases.

### Which has better reviews, Spill Calc Lite or VertiGIS Studio Go?

Spill Calc Lite is rated higher. Spill Calc Lite averages 5.0 out of 5 from 1 ratings, while VertiGIS Studio Go averages 4.0 from 1 ratings.

### Do Spill Calc Lite or VertiGIS Studio Go have ads?

Neither Spill Calc Lite nor VertiGIS Studio Go shows ads.

### Which is updated more often, Spill Calc Lite or VertiGIS Studio Go?

Spill Calc Lite ships an update every 16 months, and VertiGIS Studio Go every 2 months. Most recently, Spill Calc Lite was updated on October 20, 2026 and VertiGIS Studio Go 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.*