# Spill Calc Lite vs IBM Maximo Mobile

The clearest difference is rating: Spill Calc Lite at 5.0 against IBM Maximo Mobile's 2.4. IBM Maximo Mobile's advantage is update cadence (every 5 weeks vs every 16 months) and ratings volume (29 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 2.4. That said, the two scores are not equally well evidenced: IBM Maximo Mobile has 29 ratings behind it against 1, so its average is the more settled of the two.

Spill Calc Lite ships an update every 16 months, IBM Maximo Mobile every 5 weeks. The most recent releases landed on October 20, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Spill Calc Lite | IBM Maximo Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spill-calc-lite/id1089421597/reviews)** | [2.4 (29 ratings)](https://appshunter.io/ios/app/ibm-maximo-mobile/id1543726957/reviews) |
| Number of ratings | 1 | **29** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 67 MB |
| Requires iOS | 16.6 | **14.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) | [IBM](https://appshunter.io/developer/367353856) |

## 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


### IBM Maximo Mobile

[App page](https://appshunter.io/ios/app/ibm-maximo-mobile/id1543726957)

This platform empowers technicians with real-time asset operational data and maintenance history through an intuitive mobile interface. It leverages AI and remote assistance for just-in-time upskilling and step-by-step guidance.

**Highlights:** Real-time asset operational data, Intuitive maintenance history access, AI-powered upskilling, Remote human-based assistant, Step-by-step guidance

**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 IBM Maximo Mobile free?

IBM Maximo Mobile is free to download, with no in-app purchases.

### Which has better reviews, Spill Calc Lite or IBM Maximo Mobile?

Spill Calc Lite is rated higher. Spill Calc Lite averages 5.0 out of 5 from 1 ratings, while IBM Maximo Mobile averages 2.4 from 29 ratings.

### Do Spill Calc Lite or IBM Maximo Mobile have ads?

Neither Spill Calc Lite nor IBM Maximo Mobile shows ads.

### Which is updated more often, Spill Calc Lite or IBM Maximo Mobile?

Spill Calc Lite ships an update every 16 months, and IBM Maximo Mobile every 5 weeks. Most recently, Spill Calc Lite was updated on October 20, 2026 and IBM Maximo Mobile on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*