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1. Listing metadata
Field-level data| Patronum | ProWritingAid Grammar Checker and Writing Coach | |
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| Patronum | ProWritingAid Grammar Checker and Writing Coach | |
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| Tagline | ||
| Description | ||
| Screenshots | images | images |
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For the smarter writer. A grammar checker, style editor, and writing mentor in one package. Learn how to improve your writing. Also includes a plagiarism checker.
| Metric | Patronum | ProWritingAid Grammar Checker and Writing Coach |
|---|---|---|
| Rating | ★ 5.0 ★ | 4.6 ★ |
| Total reviews | 31 | ★ 1.5k |
| Active installs | 440,372+ | 707,077+ |
| Free plan | ★ Yes | — |
| Pricing | Free of charge trial | Not available |
Based on the data on this page, Patronum is the stronger choice for most Google Workspace Marketplace admins — 5.0★ vs ProWritingAid Grammar Checker and Writing Coach's 4.6★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
On pricing, Patronum offers a free tier (Free of charge trial) while ProWritingAid Grammar Checker and Writing Coach starts at Not available. For early-stage teams validating fit, the free-tier path lets you run the app on real workloads before committing budget.
ProWritingAid Grammar Checker and Writing Coach has the larger user base (1,459 reviews vs 31), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Patronum's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended by size: small/early-stage admins who need fast install and low risk should default to Patronum; mid-market and enterprise admins with specific feature requirements should evaluate both — ProWritingAid Grammar Checker and Writing Coach's 1,459-review base may include the workflow context that matches your specific use case better than Patronum's broader-but-shallower coverage.
This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Google Workspace Marketplace listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Patronum audit • ProWritingAid Grammar Checker and Writing Coach audit
Patronum is the cheaper option — it offers a free plan (Free of charge trial). ProWritingAid Grammar Checker and Writing Coach starts at Not available. Both publish their pricing on the Google Workspace Marketplace; AppRanks mirrors what's listed on each refresh cycle.
Patronum has the higher average rating (5.0★ from 31 reviews) compared to ProWritingAid Grammar Checker and Writing Coach (4.6★ from 1,459 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Patronum holds the higher average rating (5.0★ vs 4.6★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Google Workspace Marketplace. ProWritingAid Grammar Checker and Writing Coach has the deeper published review base (1,459 vs 31), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
Patronum typically suits early-stage and growth-mode teams based on its published review base (31 reviews). ProWritingAid Grammar Checker and Writing Coach typically suits early-stage and growth-mode teams based on its published review base (1,459 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
Migration support varies by app and category. Patronum and ProWritingAid Grammar Checker and Writing Coach both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Patronum" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.