Blumira
- Starting price
- Free tier available
- Reviews
- 4.6/5 (~120 G2 reviews)
- Free trial
- Free tier + 14 days
- Deployment
- Cloud
- Best for
- Lean IT teams wanting easy SIEM + detection with a free tier
Best SIEM Software · 2026
Blumira vs Microsoft Sentinel: on our data-weighted scoring, Blumira edges ahead (8.1 vs 8.1/10). Blumira starts at Free tier available and is best for lean IT teams wanting easy SIEM + detection with a free tier; Microsoft Sentinel starts at $4.3/GB ingested (PAYG, East US) and is best for microsoft-centric orgs wanting a cloud-native SIEM with deep Entra/Defender integration. Choose Blumira for the stronger overall track record; consider Microsoft Sentinel if its pricing model or fit matches your environment better. Side-by-side table below.
Affiliate disclosure: Some links may be affiliate or partner links. If you sign up through one, we may earn a commission at no extra cost to you. This never changes our scores or rankings. Learn more.
Six criteria, each scored 0–10 on the same scale from real review data, public pricing and feature coverage. See our methodology →
| Criterion | Blumira | Microsoft Sentinel |
|---|---|---|
| Editorial | 8.1 | 8.1 |
| User reviews | 9.2 | 8.8 |
| Adoption | 5.5 | 6.5 |
| Affordability | 9.5 | 6.8 |
| Feature breadth | 5.0 | 6.0 |
| Ease of trial | 10.0 | 6.0 |
| Blumira | Microsoft Sentinel | |
|---|---|---|
| Starting price | Free tier available | $4.3/GB ingested (PAYG, East US) |
| Pricing model | per user | per gb |
| Free trial / tier | Free tier + 14 days | 31 days |
| Best for | Lean IT teams wanting easy SIEM + detection with a free tier | Microsoft-centric orgs wanting a cloud-native SIEM with deep Entra/Defender integration |
| Deployment | Cloud | Cloud |
| G2 rating | 4.6/5 (120) | 4.4/5 (289) |
| Capterra rating | — | — |
| Our score | 8.1 | 8.1 |
You need lean it teams wanting easy siem + detection with a free tier.
You need microsoft-centric orgs wanting a cloud-native siem with deep entra/defender integration.
Microsoft Sentinel bills on a per gb model from $4.3/GB ingested (PAYG, East US) (31 days trial), while Blumira uses a per user model from Free tier available (free tier available). Because the models differ, the cheaper option flips depending on your fleet size — model both at your seat/endpoint count.
Microsoft Sentinel ships 6 headline capabilities (Cloud-native SIEM + SOAR, Native Entra ID + Defender + M365 connectors, KQL hunting + analytics rules, UEBA + ML anomaly detection) and deploys Cloud. Blumira ships 5 (Cloud SIEM, Automated detections + playbooks, 24/7 SecOps support, Honeypots), deploying Cloud.
Microsoft Sentinel holds 4.4/5 (~289 G2 reviews); Blumira holds 4.6/5 (~120 G2 reviews). On our data-weighted score, Microsoft Sentinel edges ahead (8.1 vs 8.1/10). Pick Blumira instead when lean it teams wanting easy siem + detection with a free tier. See Microsoft Sentinel alternatives or Blumira alternatives.