Is Grammarly safe with your data?
Grammarly
Good disclosure · high confidence
Grammarly earns a B (61/100) because it discloses most of its data practices.
#40
of 211 apps ranked
61
score · Productivity avg 54
+7
vs category average
Grammarly (Superhuman) grants users data subject rights and opt-out control over AI training, but retains data indefinitely per business needs and allows AI model training including for new products.
What Grammarly's privacy policy and terms of service say about your data
AI Training Opt-Out
You can decide whether Superhuman can use your user content to train our AI models by adjusting the available training control(s) in your account settings
User Owns Content + Broad License
You own all right, title, and interest in and to User Content...license...for the limited purposes of: (i) Operating, providing, improving, troubleshooting, and debugging our Services...and (iv) Developing new products or adding features for our Services
Data Subject Rights
You have the right to (1) request to know more about and access your personal information, including in a portable format, (2) request deletion of your personal information, and (3) request correction of inaccurate personal information
Named Data Protection Officer
We've appointed VeraSafe as our representative in the EEA and UK for data protection matters
What the policy is silent or vague on
- Not stated: whether training use differs by plan
- Not stated: a deletion timeline after closure or request
- Not stated: shorter retention for AI conversation logs
- Not stated: automated decisions and a human-review path
Grammarly privacy rating
Details
- Category
- Productivity
- Modalities
- text
- Processes biometrics
- No
- Policy last updated
- 2025-10-29
- Region scored
- Global / US-default
- Last assessed
- 2026-07-08
Documents examined
Other productivity apps
Each grade reflects our analysis of what an app states in its public privacy policy and terms as of the assessment date. It measures the transparency of those documents, not the company's actual data practices, security, or compliance. Grades are our opinion, offered for general information. Full disclaimer.