# IBM Maximo Mobile vs Spill Calc

The clearest difference is price: IBM Maximo Mobile at Free against Spill Calc's $2.99. IBM Maximo Mobile also leads on update cadence (every 5 weeks vs every 31 months) and ratings volume (29 vs 2). Spill Calc's advantage is rating (5.0 vs 2.4). On review sentiment, ads, in-app purchases and device support there is nothing between them.

IBM Maximo Mobile is free to download; Spill Calc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spill Calc 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 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

IBM Maximo Mobile ships an update every 5 weeks, Spill Calc every 31 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | IBM Maximo Mobile | Spill Calc |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [2.4 (29 ratings)](https://appshunter.io/ios/app/ibm-maximo-mobile/id1543726957/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spill-calc-pro/id1554282536/reviews)** |
| Number of ratings | **29** | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 31 months |
| Monetization | **Free** | Paid |
| Size | 67 MB | 1 MB |
| Requires iOS | **14.3** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [IBM](https://appshunter.io/developer/367353856) | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) |

## What reviewers say

### 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


### Spill Calc

[App page](https://appshunter.io/ios/app/spill-calc-pro/id1554282536)

This app provides rapid, dependable spill volume estimations for field professionals. It calculates liquid volumes across various shapes and ground conditions, supporting mixed fluids and tank displacement for accurate reporting.

**Highlights:** Fast spill volume calculations, Multiple spill types supported, Mixed fluid calculations, Tank displacement accounting, Section-based spill tracking, Save and organize spill history, Export reports via text or email

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IBM Maximo Mobile free?

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

### Is Spill Calc free?

Spill Calc costs $2.99, with no in-app purchases.

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

Spill Calc is rated higher. IBM Maximo Mobile averages 2.4 out of 5 from 29 ratings, while Spill Calc averages 5.0 from 2 ratings.

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

Neither IBM Maximo Mobile nor Spill Calc shows ads.

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

IBM Maximo Mobile ships an update every 5 weeks, and Spill Calc every 31 months. Most recently, IBM Maximo Mobile was updated on October 24, 2026 and Spill Calc on October 24, 2026.

---

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