Head to head · Survey date: September 2026
Armis vs Device42
Two asset inventory tools on the same seven criteria.
Bottom line
Armis (69) ranks above Device42 (57) on our weighted rubric. Armis leads on source coverage, correlation and deduplication, data freshness, query and reporting, remediation and write-back and deployment effort; Device42 leads on price transparency. Device42 publishes its pricing model but not amounts; Armis does not publish prices.
Last updated 29 September 2026
How do Armis and Device42 score?
| Criterion | Weight | Armis | Device42 | Leader |
|---|---|---|---|---|
| Source coverage | 22% | 80 | 60 | Armis |
| Correlation and deduplication | 18% | 74 | 58 | Armis |
| Data freshness | 12% | 88 | 70 | Armis |
| Query and reporting | 12% | 70 | 60 | Armis |
| Remediation and write-back | 14% | 66 | 52 | Armis |
| Deployment effort | 12% | 72 | 56 | Armis |
| Price transparency | 10% | 15 | 35 | Device42 |
| Total | 100% | 69 | 57 | Armis |
Armis leads 6 criteria, Device42 leads 1.
Coverage and trust score (editorial assessment, 0-100). It measures how completely and reliably a tool can tell a security or IT team what assets exist, who owns them and what state they are in. It is not a measure of overall product quality: service management platforms and lifecycle tools score lower here because inventory accuracy is one part of what they do.
Where does each one win?
How do pricing and deployment compare?
| Fact | Armis | Device42 |
|---|---|---|
| Published pricing | Not published. Source: armis.com/platform · Reviewed Sep 2026 | Annual subscription based on the number of devices; amounts not published. Source: device42.com/pricing · Reviewed Sep 2026 |
| Free tier or trial | Not published | Free trial download |
| Deployment | Cloud platform with no on-premises hardware for the core product; OT/IoT Security is offered as SaaS or on-premises. | Not described on the pages we reviewed; the free trial is a download. |
| How it builds the inventory | Agentless, passive discovery from network traffic, identified against a knowledgebase of over 6.5 billion assets. | Agentless discovery and dependency mapping from mainframes to cloud containers, SNMP network devices, AWS and Azure. |
| Integrations as published | 200+ pre-built integrations | 30+ integrations |
| Coverage grid count | 4.5 of 7 | 3.5 of 7 |
Has ownership changed?
ServiceNow completed its acquisition of Armis on 20 April 2026; Armis Centrix remains available as part of the ServiceNow AI Platform and as a standalone product.
Source: Armis blog, "Welcoming the next chapter: ServiceNow completes Armis acquisition", 20 April 2026 · Reviewed Sep 2026
Which assets does each cover?
| Asset class | Armis | Device42 |
|---|---|---|
| Laptops and workstations | Documented | Not documented |
| Servers | Partial | Documented |
| Cloud workloads | Documented | Documented |
| SaaS apps | Not documented | Partial |
| Identities | Not documented | Not documented |
| OT and IoT | Documented | Not documented |
| Network devices | Documented | Documented |
| Weighted count (of 7) | 4.5 | 3.5 |
Which one fits your team?
Choose Armis if
- you need the widest documented coverage of asset classes and sources (Armis 80 vs 60)
- the inventory must reflect changes quickly (Armis 88 vs 70)
- Best for OT, IoT and medical device visibility.
Choose Device42 if
- you need a published price to model before a sales call (Device42 35 vs 15)
- the inventory must reflect changes quickly (Device42 70 vs 88)
- Best for data center dependency mapping.
Frequently asked questions
Is Armis or Device42 better for asset inventory?
On our rubric Armis scores 69 and Device42 57. Armis leads 6 of 7 criteria and Device42 leads 1. Scores are editorial and weighted as described in the methodology.
Which is cheaper, Armis or Device42?
Armis: Not published. Device42: Annual subscription based on the number of devices; amounts not published. A like-for-like comparison needs a quote from the vendor that does not publish amounts.
Which covers more asset classes, Armis or Device42?
In our coverage grid Armis documents 4.5 of 7 asset classes and Device42 3.5, counting Documented as 1 and Partial as 0.5.