Grammarly vs Rossum

Grammarly and Rossum sit in the same category. The verdict below is calculated for each role from the tasks, the role fit and the price.

Short answer

Grammarly wins for 11 of 18 roles in our data. Grammarly starts at $12/mo; Rossum publishes no fixed price.

Verdict by role

Role	Better choice	Why
Accountant	Rossum	covers 2 tasks relevant to this role against 0; built for this role; works for free
Lawyer	Grammarly	covers 1 tasks relevant to this role against 0; built for this role
Finance manager	Rossum	covers 2 tasks relevant to this role against 1; works for free
Manager	Grammarly	covers 1 tasks relevant to this role against 0; built for this role
Marketer	Grammarly	covers 1 tasks relevant to this role against 0; built for this role
Sales manager	Grammarly	covers 1 tasks relevant to this role against 0; built for this role
Data analyst	Rossum	covers 2 tasks relevant to this role against 1; works for free
Teacher	Grammarly	covers 1 tasks relevant to this role against 0; built for this role
Executive assistant	Grammarly	covers 1 tasks relevant to this role against 0; built for this role
Logistics manager	Grammarly	covers 1 tasks relevant to this role against 0; built for this role
Procurement manager	Rossum	covers 2 tasks relevant to this role against 1; works for free
Secretary	Grammarly	covers 1 tasks relevant to this role against 0; built for this role
Recruiter	Grammarly	covers 1 tasks relevant to this role against 0
Tax consultant	Rossum	covers 2 tasks relevant to this role against 0; built for this role; works for free
Auditor	Rossum	covers 2 tasks relevant to this role against 0; built for this role; works for free
Economist	Rossum	covers 2 tasks relevant to this role against 1; works for free
Project manager	Grammarly	covers 1 tasks relevant to this role against 0; built for this role
Social media manager	Grammarly	covers 1 tasks relevant to this role against 0; built for this role

Side by side

	Grammarly	Rossum
Vendor	Grammarly	Rossum
Category	Documents and writing	Documents and writing
Free plan	Yes: Basic grammar and spelling checks, tone detection, a limited number of text generations a month	Yes: A trial after a request on the website
Cheapest paid plan	Pro, $12/mo	price on request
Top plan	Business, $15/mo	price on request
Tasks covered	1	2

Grammarly: Checks and rewrites English text in any window: email, chat, documents.

Rossum: Automated processing of incoming supplier invoices that learns from your corrections.

Only Grammarly covers

Write an email to a foreign partner in their language

Only Rossum covers

Pitfalls to watch at work

Grammarly

The extension reads everything you type in the browser, including form fields: decide in your corporate policy whether it is allowed on work computers
Rewriting a sentence changes its legal meaning: in English contracts and claims, accept only spelling fixes
For text in other languages the service offers almost no suggestions; use LanguageTool for that

Rossum

Rollout takes weeks: you need document samples and validation rules from accounting
Test documents in local languages and scripts in a pilot before signing an annual contract
Turn on posting without a person only for suppliers with an error-free history

FAQ

Is Grammarly or Rossum better for work?

In our data Grammarly is the better choice for 11 of 18 roles. The table above shows the reason for each role.

Which is cheaper, Grammarly or Rossum?

Grammarly starts at $12/mo; Rossum publishes no fixed price.

Do Grammarly and Rossum have free plans?

Grammarly: Yes. Basic grammar and spelling checks, tone detection, a limited number of text generations a month. Rossum: Yes. A trial after a request on the website.

Compare Grammarly with

Compare Rossum with

Alternatives to Grammarly · Alternatives to Rossum · Grammarly pricing · Rossum pricing