Grammarly Business vs ProWritingAid (2026)
We tested both. Here is the honest comparison.
Grammarly Business
83/100
$15/mo
GoodVS
ProWritingAid
79/100
$10/mo
Top PickScore Breakdown
Category
Grammarly Business
ProWritingAid
Output Quality
84
▲ Wins80
▼ LosesSpeed
80
▲ Wins76
▼ LosesEase of Use
88
▲ Wins74
▼ Losesfeatures
78
▼ Loses82
▲ WinsOverall
83
79
Pricing
Starting Price
$15/mo
$10/mo
Real Price
$15/mo
$10/mo
Price Note
Business per seat (3-seat min)
Lifetime plan $399 one-time — best value in the category
Grammarly Business
Best For
✓ Marketing teams
✓ Agencies
✓ Anyone writing professional emails daily
Not For
✗ Long-form content creation
✗ Creative fiction
✗ Budget-conscious freelancers
ProWritingAid
Best For
✓ Fiction writers and novelists
✓ Long-form bloggers and journalists
✓ Academics and technical writers
Not For
✗ Quick social media copy
✗ SEO-focused content teams needing keyword integration
Pros & Cons
Grammarly Business
+ Works everywhere — browser, Word, Docs, email, Slack
+ Tone detector prevents off-brand communication
+ Style guide enforcement across teams
+ GrammarlyGO generates and rewrites in context
+ Plagiarism checker included
− Expensive for solos at Business tier
− AI rewrites sometimes too conservative
− Free plan now aggressively pushes upgrades
ProWritingAid
+ 20+ report types: grammar, style, pacing, clichés, sticky sentences
+ Native integrations: Google Docs, MS Word, Scrivener, Chrome
+ Lifetime plan ($399) is the best one-time deal in this category
+ Finds issues Grammarly misses — redundant phrases, passive overuse, vague wording
+ Consistency checker flags character name/timeline errors in long documents
− Interface feels dated compared to Grammarly or Hemingway
− Report system is powerful but requires learning investment
− Not built for SEO — zero keyword or ranking features