# SMART Service Tool vs Zeus Material Management

The clearest difference is review sentiment: SMART Service Tool at 75% against Zeus Material Management's 7%. SMART Service Tool also leads on rating (3.4 vs 1.3) and update cadence (every 3 weeks vs every 2 months). Zeus Material Management's advantage is ratings volume (74 vs 21) and iOS requirement (13.0 vs 26.0). 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.

SMART Service Tool holds the better App Store score, 3.4 against 1.3. Both are backed by a comparable volume of ratings — 21 and 74 respectively. Written reviews point the same way: 75% of SMART Service Tool's written reviews are positive against 7% of Zeus Material Management's.

SMART Service Tool ships an update every 3 weeks, Zeus Material Management every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SMART Service Tool | Zeus Material Management |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (21 ratings)](https://appshunter.io/ios/app/smart-service-tool/id918610107/reviews)** | [1.3 (74 ratings)](https://appshunter.io/ios/app/zeus-material-management/id1564799793/reviews) |
| Number of ratings | 21 | **74** |
| Positive reviews | **75.0% of reviews** | 6.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 62 MB | 152 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Rodrigo Miranda](https://appshunter.io/developer/1742641426) | [SDI Inc.](https://appshunter.io/developer/1521493905) |

## What reviewers say

### SMART Service Tool

[App page](https://appshunter.io/ios/app/smart-service-tool/id918610107)

This tool helps HVACR technicians quickly convert pressure to temperature and calculate superheat/subcooling using refrigerant data. It offers selectable units, customizable displays, and the ability to record and email data.

**Highlights:** Pressure to temperature conversion, Superheat and subcooling calculation, Selectable units of measure, Digital or analog display modes, Record and email data, Over 65 refrigerants supported

**In-app purchases:** none


### Zeus Material Management

[App page](https://appshunter.io/ios/app/zeus-material-management/id1564799793)

This app streamlines indirect supply chain management for MRO and PPE. It offers mobile tools for inventory tracking, cycle counting, and issuing, alongside eProcurement software for tail spend management. AI-driven inventory optimization helps reduce obsolete stock.

**Highlights:** Mobile inventory cycle counting, Issuing and delivery tracking, Industrial repair and warranty management, AI-enabled inventory optimization, eProcurement for tail spend, MRO expertise, Enterprise buying visibility

**In-app purchases:** none


## Frequently asked questions

### Is SMART Service Tool free?

SMART Service Tool is free to download, with no in-app purchases.

### Is Zeus Material Management free?

Zeus Material Management is free to download, with no in-app purchases.

### Which has better reviews, SMART Service Tool or Zeus Material Management?

SMART Service Tool is rated higher. SMART Service Tool averages 3.4 out of 5 from 21 ratings, while Zeus Material Management averages 1.3 from 74 ratings.

### Do SMART Service Tool or Zeus Material Management have ads?

Neither SMART Service Tool nor Zeus Material Management shows ads.

### Which is updated more often, SMART Service Tool or Zeus Material Management?

SMART Service Tool ships an update every 3 weeks, and Zeus Material Management every 2 months. Most recently, SMART Service Tool was updated on November 1, 2026 and Zeus Material Management on November 3, 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.*