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Head-to-head · Readability Checkers

Readable vs Slick Write

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Readable #2 in Readability Checkers 9.2/10 7-day trial Free trial✓ 3 of 4 features Visit Readable
Slick Write #7 in Readability Checkers 8.2/10 Free plan Free plan✓ 1 of 4 features Visit Slick Write

Readable leads on 0 checks, Slick Write on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreReadable · 9.2/10
  • Free planonly Slick Write
  • Free trialonly Readable
  • Most featuresReadable · 3 of 4

Readable scores higher on our rubric for readability checkers: 9.2 against 8.2 out of 10; our editors rank them #2 and #7.

Slick Write offers free plan; Readable doesn't.

Readable is the better fit for professional teams needing deep web analysis. Slick Write is the better fit for free readability and style checking in browsers.

  • Readable fits best

    Professional teams needing deep web analysis

  • Slick Write fits best

    Free readability and style checking in browsers

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Readable 9.2/10 Visit ↗ Slick Write 8.2/10 Visit ↗
At a glance
Editor score 9.2 8.2
Ranking #2 in Readability Checkers #7 in Readability Checkers
Best for Professional teams needing deep web analysis Free readability and style checking in browsers
Pricing model Paid Free
Starting price $12/mo Free
Free plan — ✓ (best)
Free trial 7 days —
Deployment Cloud Cloud, Browser extension
Platforms Web Web, Chrome extension
Built for Solo, Small business, Mid-market Solo, Small business
Features Readable 3/4 · Slick Write 1/4
Sentence analysis ✓ (best) Not checked yet
Clarity recommendations ✓ (best) Not checked yet
Browser extension Not checked yet ✓ (best)
API access ✓ (best) Not checked yet
Specs
Readability formulas 17 formulas Not checked yet
Language support English Not checked yet
Our review
Pros
  • 17 named readability formulas and detailed sentence analysis
  • Analyzes text, documents, URLs, emails, spreadsheets, and websites
  • AgencyPro adds API access plus Dropbox and Slack integrations
  • Free access to grammar, style, flow, and readability checks
  • Analyzes vocabulary variety, passive voice, repetition, and sentence structure
  • Chrome extension supports Google Docs, WordPress, selections, and text boxes
Cons
  • No free plan is available
  • The lowest plan supports one user
  • English is the listed language support
  • Browser-focused platform coverage limits where it can be used
  • Checks English writing rather than offering broad language coverage
  • Its wide set of analyses may require time to interpret effectively
Our verdict

Readable is a web-based readability and writing analysis toolkit for writers, authors, educators, marketers, government bodies, insurers, and medical organizations. It evaluates text, documents, URLs, emails, spreadsheets, and websites for…

Read the review →

Slick Write is a free, browser-based writing checker for bloggers, novelists, SEO professionals, students, and other writers working in English. It combines grammar error checking with stylistic issue detection, sentence structure…

Read the review →
  1. ReadableReadability Checkers 9.27-day trial
  2. Slick WriteReadability Checkers 8.2Free plan

Strengths and trade-offs

  • Readable — where it wins

    • 17 named readability formulas and detailed sentence analysis
    • Analyzes text, documents, URLs, emails, spreadsheets, and websites
    • AgencyPro adds API access plus Dropbox and Slack integrations

    Where it doesn't

    • No free plan is available
    • The lowest plan supports one user
    • English is the listed language support

  • Slick Write — where it wins

    • Free access to grammar, style, flow, and readability checks
    • Analyzes vocabulary variety, passive voice, repetition, and sentence structure
    • Chrome extension supports Google Docs, WordPress, selections, and text boxes

    Where it doesn't

    • Browser-focused platform coverage limits where it can be used
    • Checks English writing rather than offering broad language coverage
    • Its wide set of analyses may require time to interpret effectively

More comparisons

All readability checkers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update