# Spill Calc Lite vs Dropped Object Assessment

The clearest difference is in-app purchases: Spill Calc Lite at none against Dropped Object Assessment's 2. Dropped Object Assessment's advantage is iOS requirement (14.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Dropped Object Assessment sells 2 in-app purchases, starting at $6.99 per month. Spill Calc Lite asks for nothing beyond the download.

## The numbers

| Metric | Spill Calc Lite | Dropped Object Assessment |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | — |
| Monetization | Free | — |
| Size | 1 MB | 33 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) | [Serhat Demirkol](https://appshunter.io/developer/1757384636) |

## 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


### Dropped Object Assessment

[App page](https://appshunter.io/ios/app/dropped-object-assessment/id6745404907)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DOA Pro Monthly | $6.99 | per month |
| DOA Pro Yearly | $69.99 | per year |


## Frequently asked questions

### Is Spill Calc Lite free?

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

### Is Dropped Object Assessment free?

Dropped Object Assessment is free to download, with in-app purchases available.

### Do Spill Calc Lite or Dropped Object Assessment have ads?

Neither Spill Calc Lite nor Dropped Object Assessment shows ads.

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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.*