ProWritingAid vs Trinka AI

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

ProWritingAid

See full pricing history

EUR · US · source: prowritingaid.com

Plan	Pricing	Charged by	Offer type
Free — Basic writing suggestions, everywhere you write	Free Free	Flat	Standalone · Free
Premium — Monthly Highlighted	EUR 30 monthly € 30 00 per month, billed monthly	Flat · per month, billed monthly	Standalone · Fixed
Premium — Yearly	EUR 10 monthly · EUR 10 / month with annual commitment € 10 00 per month, billed yearly	Flat · per month, billed yearly	Standalone · Fixed
Premium Pro — Monthly	EUR 36 monthly € 36 00 per month, billed monthly	Flat · per month, billed monthly	Standalone · Fixed
Premium Pro — Yearly	EUR 12 monthly · EUR 12 / month with annual commitment € 12 00 per month, billed yearly	Flat · per month, billed yearly	Standalone · Fixed

Trinka AI

See full pricing history

USD · US · source: www.trinka.ai

Plan	Pricing	Charged by	Offer type
Basic — standard	Free 0 per month	Flat	Standalone · Free
Premium — standard Highlighted	USD 15 monthly · USD 12.5 / month with annual commitment $150 annually ($12.50 per month)	Flat · per month	Standalone · Fixed
Premium Plus — standard	USD 30 monthly · USD 25 / month with annual commitment $300 annually ($25 per month)	Flat · per month	Standalone · Fixed
Confidential Data — standard	USD 500 monthly · USD 41.67 / month with annual commitment $500 annually ($41.67 per month)	Flat · per month	Standalone · Fixed

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

ProWritingAid

Free — Basic writing suggestions, everywhere you write

Highlights Word count limit: 500 words

Included
Highlights Runs per report per day: 2

Included
Highlights Rephrases per day: 10

Included
Highlights Sparks per day: 3

Included
Highlights Excludes: Chapter Critique, Manuscript Analysis, Plot Analysis, Virtual Beta Reader, and Marketability Analysis

Excluded
Highlights Grammar, spelling, punctuation: Included
Highlights Word Explorer & Thesaurus: Included
Highlights Document type setting: Included
Highlights Data security and privacy: Included

Premium — Monthly

Highlights Word count: Unlimited

Included
Highlights Report runs: Unlimited

Included
Highlights Rephrases per day: Unlimited

Included
Highlights Sparks per day: 5

Included
Highlights Advanced style improvements: Included
Highlights Custom style guide: Included
Highlights Snippets: Included
Highlights Writing analysis reports: 25+

Included
Highlights Customizable suggestions: Included
Highlights Terminology management: Included
Highlights Author comparison: Included
Highlights Citations: Included
Highlights Collaboration: Included
Highlights Document storage: Included
Highlights Chapter Critique: 1 per day

Included
Highlights Discount on Story Credits: Up to 40% off

Included

Premium — Yearly

Highlights Word count: Unlimited

Included
Highlights Report runs: Unlimited

Included
Highlights Rephrases per day: Unlimited

Included
Highlights Sparks per day: 5

Included
Highlights Advanced style improvements: Included
Highlights Custom style guide: Included
Highlights Snippets: Included
Highlights Writing analysis reports: 25+

Included
Highlights Customizable suggestions: Included
Highlights Terminology management: Included
Highlights Author comparison: Included
Highlights Citations: Included
Highlights Collaboration: Included
Highlights Document storage: Included
Highlights Chapter Critique: 1 per day

Included
Highlights Discount on Story Credits: Up to 40% off

Included

Premium Pro — Monthly

Highlights Everything in Premium: Included
Highlights Sparks per day: 50

Included
Highlights Chapter Critiques per day: 3

Included
Highlights Discount on Story Credits: Up to 65% off

Included
Highlights Live workshops with top authors & editors: Included
Highlights On-demand expert workshop library: Included
Highlights Daily cowriting sprints (beta): Included
Highlights Group critique sessions (beta): Included
Highlights Writer networking events (beta): Included
Highlights Guided writing challenges (beta): Included

Premium Pro — Yearly

Highlights Everything in Premium: Included
Highlights Sparks per day: 50

Included
Highlights Chapter Critiques per day: 3

Included
Highlights Discount on Story Credits: Up to 65% off

Included
Highlights Live workshops with top authors & editors: Included
Highlights On-demand expert workshop library: Included
Highlights Daily cowriting sprints (beta): Included
Highlights Group critique sessions (beta): Included
Highlights Writer networking events (beta): Included
Highlights Guided writing challenges (beta): Included

Trinka AI

Basic — standard

Highlights Writing Assistance: 5000 Words

Included
Highlights Grammar Check: Lite Mode Only

Included
Highlights Style Guide-based Corrections: APA, AMA, ACS, AGU, IEEE

Included
Highlights Paraphraser: Standard Mode Only

Included
Highlights Proofread File (MS Word and LaTeX): Up to 4 files (based on Credits)

Included
Highlights AI Writing /month: 5 Requests

Included
Highlights Free Plagiarism Score: 1/month

Included
Highlights Data Privacy: Standard

Included
Highlights Data auto-deletion: 90 days

Included
Highlights Real-time Data NOT used for AI Training: No

Excluded

Premium — standard

Highlights Writing Assistance: Full Access

Included
Highlights Grammar Check: Lite & Power Mode

Included
Highlights Style Guide-based Corrections: APA, AMA, ACS, AGU, IEEE

Included
Highlights Paraphraser: All Modes

Included
Highlights Proofread File (MS Word and LaTeX): Up to 10 files (based on Credits)

Included
Highlights AI Writing /month: 25 Requests

Included
Highlights Free Plagiarism Score: 2/month

Included
Highlights Data Privacy: Advanced

Included
Highlights Data auto-deletion: 90 days

Included
Highlights Real-time Data NOT used for AI Training: No

Excluded

Premium Plus — standard

Highlights Writing Assistance: All premium features included with double credits

Included
Highlights Grammar Check: Lite & Power Mode

Included
Highlights Style Guide-based Corrections: APA, AMA, ACS, AGU, IEEE

Included
Highlights Paraphraser: All Modes

Included
Highlights Proofread File (MS Word and LaTeX): Up to 20 files (based on Credits)

Included
Highlights AI Writing /month: 1,000 Requests

Included
Highlights Standard Plagiarism Check: Up to 240 Pages/year*

Included
Highlights Free Plagiarism Score: 2/month

Included
Highlights Data Privacy: Advanced

Included
Highlights Data auto-deletion: Real-time

Included
Highlights Real-time Data NOT used for AI Training: No

Excluded

Confidential Data — standard

Highlights Writing Assistance: All Premium Plus Plus Writing Assistance

Included
Highlights Grammar Check: Lite & Power Mode

Included
Highlights Style Guide-based Corrections: APA, AMA, ACS, AGU, IEEE

Included
Highlights Paraphraser: All Modes

Included
Highlights Proofread File (MS Word and LaTeX): Up to 50 files (based on Credits)

Included
Highlights AI Writing /month: 3,000 Requests

Included
Highlights Standard Plagiarism Check: Up to 1,000 Pages/year*

Included
Highlights Advanced Plagiarism Report: 1 Advanced report every month

Included
Highlights Free Plagiarism Score: 2/month

Included
Highlights Data Privacy: Advanced

Included
Highlights Data auto-deletion: Real-time

Included
Highlights Real-time Data NOT used for AI Training: No

Excluded

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

ProWritingAid

August 27, 2026 Source
- Free — Basic writing suggestions, everywhere you write: Free
- Premium — Monthly: EUR 30 monthly
- Premium — Yearly: EUR 10 monthly · EUR 10 / month with annual commitment
- Premium Pro — Monthly: EUR 36 monthly
- Premium Pro — Yearly: EUR 12 monthly · EUR 12 / month with annual commitment

Trinka AI

August 27, 2026 Source
- Basic — standard: Free
- Premium — standard: USD 15 monthly · USD 12.5 / month with annual commitment
- Premium Plus — standard: USD 30 monthly · USD 25 / month with annual commitment
- Confidential Data — standard: USD 500 monthly · USD 41.67 / month with annual commitment