Bitdefender GravityZone vs Microsoft Defender for Business (2026)
Our verdict
Bitdefender GravityZone vs Microsoft Defender for Business: on our data-weighted scoring, Bitdefender GravityZone edges ahead (8.6 vs 8.2/10). Bitdefender GravityZone starts at Custom quote and is best for smbs and msps wanting strong protection at a fair price; Microsoft Defender for Business starts at $3/user/mo and is best for smbs already on microsoft 365 wanting bundled edr. Choose Bitdefender GravityZone for the stronger overall track record; consider Microsoft Defender for Business if its pricing model or fit matches your environment better. Side-by-side table below.
| Bitdefender GravityZone | Microsoft Defender for Business | |
|---|---|---|
| Starting price | Custom quote | $3/user/mo |
| Pricing model | per device | per user |
| Free trial / tier | 30 days | yes |
| Best for | SMBs and MSPs wanting strong protection at a fair price | SMBs already on Microsoft 365 wanting bundled EDR |
| Deployment | Cloud + on-prem | Cloud |
| G2 rating | 4.6/5 (400) | 4.4/5 (300) |
| Capterra rating | — | — |
| Our score | 8.6/10 | 8.2/10 |
Bitdefender GravityZone
Pros
- Excellent independent AV test scores
- Affordable
- Good MSP program
Cons
- EDR is a higher tier
- Console can feel dense
- Per-device tiers
Visit Bitdefender GravityZone →
Affiliate link: Bitdefender GravityZone may pay us a commission if you sign up through this link. It never affects our data-driven ranking.
Microsoft Defender for Business
Pros
- Cheap if you have M365
- Solid detection
- Per-user (covers multiple devices)
Cons
- Best within Microsoft ecosystem
- Licensing nuances
- Tuning needed
Visit Microsoft Defender for Business →
Affiliate link: Microsoft Defender for Business may pay us a commission if you sign up through this link. It never affects our data-driven ranking.
Choose Bitdefender GravityZone if…
You need smbs and msps wanting strong protection at a fair price. See the Bitdefender GravityZone pricing and review.
Choose Microsoft Defender for Business if…
You need smbs already on microsoft 365 wanting bundled edr. See the Microsoft Defender for Business pricing and review.
In depth
Pricing: Bitdefender GravityZone vs Microsoft Defender for Business
Bitdefender GravityZone bills on a per device model from Custom quote (30 days trial), while Microsoft Defender for Business uses a per user model from $3/user/mo (yes trial). Because the models differ, the cheaper option flips depending on your fleet size — model both at your seat/endpoint count.
Features & deployment
Bitdefender GravityZone ships 5 headline capabilities (Top-rated AV engine, EDR/XDR options, Risk analytics, Patch + full-disk encryption add-ons) and deploys Cloud + on-prem. Microsoft Defender for Business ships 5 (EDR for SMB, Next-gen AV, Threat & vulnerability mgmt, Auto-investigation), deploying Cloud.
Ratings & verdict
Bitdefender GravityZone holds 4.6/5 (400 G2 reviews); Microsoft Defender for Business holds 4.4/5 (300 G2 reviews). On our data-weighted score, Bitdefender GravityZone edges ahead (8.6 vs 8.2/10). Pick Microsoft Defender for Business instead when smbs already on microsoft 365 wanting bundled edr. See Bitdefender GravityZone alternatives or Microsoft Defender for Business alternatives.
Frequently asked questions
- Bitdefender GravityZone vs Microsoft Defender for Business: which is better?
- Bitdefender GravityZone vs Microsoft Defender for Business: on our data-weighted scoring, Bitdefender GravityZone edges ahead (8.6 vs 8.2/10). Bitdefender GravityZone starts at Custom quote and is best for smbs and msps wanting strong protection at a fair price; Microsoft Defender for Business starts at $3/user/mo and is best for smbs already on microsoft 365 wanting bundled edr.
- Is Bitdefender GravityZone cheaper than Microsoft Defender for Business?
- Bitdefender GravityZone starts at Custom quote and Microsoft Defender for Business starts at $3/user/mo (see the pricing rows for models and limits).