# DeviceTools vs Primus Maintain

The clearest difference is rating: Primus Maintain at 5.0 against DeviceTools's 4.8. Primus Maintain also leads on device support (3 vs 1). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Primus Maintain holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 18 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | DeviceTools | Primus Maintain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (18 ratings)](https://appshunter.io/ios/app/devicetools/id6670165475/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/primus-maintain/id6777825283/reviews)** |
| Number of ratings | **18** | 7 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | Free |
| Size | 130 MB | 9 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rockwell Automation](https://appshunter.io/developer/432749786) | [Primus Operational Intelligence, LLC](https://appshunter.io/developer/6777825285) |

## What reviewers say

### DeviceTools

[App page](https://appshunter.io/ios/app/devicetools/id6670165475)

Streamline the setup and maintenance of industrial I/O modules. Quickly configure devices, troubleshoot issues with AI assistance, and manage product warranties directly from your mobile device.

**Highlights:** NFC tap configuration, AI-assisted troubleshooting, One-tap IP auto-increment, Warranty verification and registration, Device status at-a-glance, Product information access

**In-app purchases:** none


### Primus Maintain

[App page](https://appshunter.io/ios/app/primus-maintain/id6777825283)

This platform enhances safety and compliance in regulated manufacturing environments. It enforces critical procedures like Lockout/Tagout and ensures technicians are at the correct equipment before starting tasks. The app also tracks preventive maintenance effectiveness and manages spare parts inventory.

**Highlights:** Lockout/Tagout enforcement, QR-gated work orders, Preventive maintenance scoring, Procure-to-pay parts management, Workforce intelligence, OSHA-aligned incident workflows

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DeviceTools free?

DeviceTools is free to download, with no in-app purchases.

### Is Primus Maintain free?

Primus Maintain is free to download, with no in-app purchases.

### Which has better reviews, DeviceTools or Primus Maintain?

Primus Maintain is rated higher. DeviceTools averages 4.8 out of 5 from 18 ratings, while Primus Maintain averages 5.0 from 7 ratings.

### Do DeviceTools or Primus Maintain have ads?

Neither DeviceTools nor Primus Maintain 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.*