Surfer 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.

Surfer

See full pricing history

USD · US · source: surferseo.com

Plan	Pricing	Charged by	Offer type
Discovery	USD 49 / month with annual commitment $49 USD/month billed yearly	Flat · per month	Standalone · Fixed
Standard	USD 99 / month with annual commitment $99 USD/month billed yearly	Flat · per month	Standalone · Fixed
Pro	USD 182 / month with annual commitment $182 USD/month billed yearly	Flat · per month	Standalone · Fixed
Peace of Mind	USD 299 / month with annual commitment $299 USD/month billed yearly	Flat · per month	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.

Surfer

Discovery

Plan card 120 documents: Included
Plan card 10 tracked pages: Included
Plan card AI SEO optimization: Included
Plan card Content workflows: Included

Standard

Plan card 360 documents: Included
Plan card 25 AI prompts: Included
Plan card AI-search visibility: Included
Plan card Team workflow: Included

Pro

Plan card Everything in Standard: Included
Plan card Technical conflict detection: Included
Plan card AI perception management: Included
Plan card MCP access: Included

Peace of Mind

Plan card Unlimited document optimization: Included
Plan card API access: Included
Plan card VIP support: Included
Plan card Advanced AI visibility: 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.

Surfer

August 27, 2026 Source
- Discovery: USD 49 / month with annual commitment
- Standard: USD 99 / month with annual commitment
- Pro: USD 182 / month with annual commitment
- Peace of Mind: USD 299 / 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