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    Updated March 6, 2026Writing

    You got client feedback about a typo: is Grammarly Premium worth it?

    Grammarly free catches 90% of errors. Grammarly Premium catches 95%. The difference? 5%. For a solo freelancer, it's often a luxury.

    You received client feedback about a mistake: Is Grammarly Premium worth it?

    The Scene

    It's Thursday morning. You receive an email from your client. "By the way, I noticed a small mistake in the document you sent me. Nothing serious, but I thought you'd want to know."

    Your heart stops. A mistake. You, a professional freelancer, sent a document with a mistake.

    You think: "Maybe Grammarly Premium would have caught that mistake?"

    Spoiler: yes, probably. But is it worth the cost?

    The real problem: you confuse "correcting mistakes" with "getting a real proofread"

    Most freelancers think Grammarly Premium will save them. That with advanced detection and tone suggestions, everything will improve.

    Wrong.

    The problem isn't Grammarly. The problem is that you don't have a proofreading process. You send your documents without reviewing them. You trust free Grammarly. And sometimes, you make mistakes.

    Free Grammarly detects 90% of errors. Grammarly Premium detects 95%. The difference? 5%. For a solo freelancer, that's often a luxury.

    What free Grammarly does really well (and what it doesn't)

    What free Grammarly allows you to do

    • Detect spelling errors: Free Grammarly catches basic mistakes. "Teh" instead of "The". "Recieve" instead of "Receive".
    • Detect grammar errors: Subject-verb disagreement, incorrect tenses, etc. Free Grammarly catches them.
    • Detect punctuation errors: Missing commas, misplaced periods, etc.
    • Check spelling: Free Grammarly tells you if you've misspelled a word.
    • Work everywhere: Gmail, Google Docs, LinkedIn, Twitter, etc. Free.

    What free Grammarly does not allow you to do

    • Tone suggestions: Do you want your text to be more "professional" or more "friendly"? That's Premium.
    • Plagiarism detection: Do you want to check if your text is copied? That's Premium.
    • Advanced suggestions: "This paragraph is too long. Split it in two." That's Premium.
    • Style checks: "You use too much passive voice. Switch to active voice." That's Premium.
    • Detailed reports: Grammarly Premium gives you a report on your most frequent errors.

    The truth? For a solo freelancer, you don't need any of these Premium features.

    The ROI calculation: when does Grammarly Premium pay for itself?

    Let's look at the numbers.

    ItemCost
    Grammarly Premium€12/month = €144/year
    Free Grammarly€0
    Difference€144/year

    Now, the real question: How much time does Grammarly Premium save you per month?

    Honestly? Probably 0 hours. Tone suggestions don't save you time. They just make you write "better" according to Grammarly.

    But wait. Maybe you have a specific case.

    Case 1: You write a lot (2000+ words/day) and need to check the tone

    Cost of the problem: You send texts with an inconsistent tone. Sometimes too formal, sometimes too casual.

    Free solution: Manual proofreading. Take 30 min per document.

    Premium solution: Grammarly Premium suggests adjusting the tone. You save 15 min per document.

    Time saved: If you write 5 documents/month, you save 1h15 min/month.

    ROI: €144/year for 15h/year = €9.6/hour saved. This is profitable if you charge >€10/h.

    Verdict: Yes, it's profitable. But just barely.

    Case 2: You want to check that you haven't copied other texts

    Cost of the problem: You have to manually check that your text isn't plagiarized. Or use Copyscape (free but basic).

    Free solution: Use Copyscape. Free. But basic.

    Premium solution: Grammarly Premium includes plagiarism checking. More advanced.

    Time saved: 10 min per document. If you write 5 documents/month, you save 50 min/month.

    ROI: €144/year for 10h/year = €14.4/hour saved. This is profitable if you charge >€15/h.

    Verdict: Yes, it's profitable. But just barely.

    Case 3: You receive client feedback on the tone of your texts

    Cost of the problem: You receive feedback like "It's too formal" or "It's not professional enough." You have to rewrite.

    Free solution: Manual proofreading and adjusting the tone. 30 min per document.

    Premium solution: Grammarly Premium suggests adjusting the tone. You save 15 min per document.

    Time saved: If you write 5 documents/month, you save 1h15 min/month.

    ROI: €144/year for 15h/year = €9.6/hour saved. This is profitable if you charge >€10/h.

    Verdict: Yes, it's profitable. But just barely.

    The ToolTrim Recommendation

    Yes, Grammarly Premium pays for itself. But only if you write 2000+ words/day AND you receive feedback on the tone.

    Here's why:

    1. Free Grammarly detects 90% of errors. The remaining 10% are rare and often contextual.
    1. Time saved depends on your usage. If you write 500 words/day, you save nothing. If you write 2000+ words/day, you save 1-2h/month.
    1. You need to charge >€10/h for it to be truly profitable. If you charge €30/h, yes, it's a no-brainer. If you charge €15/h, it's just barely.

    When you should upgrade to Premium:

    • You write 2000+ words/day
    • You receive client feedback on the tone
    • You charge >€20/h

    Until then, stick with free. Seriously.

    What we would do in your place

    If you use free Grammarly:

    1. Always proofread your documents before sending them. Yes, it's annoying. But it's free and it works.
    1. Use free Grammarly + LanguageTool. Free LanguageTool catches errors that free Grammarly misses. Combine the two.
    1. Ask a friend to proofread your important documents. A second opinion is free and works better than any tool.
    1. Create a proofreading checklist. Before sending a document, check: spelling, grammar, punctuation, tone, length. Free.
    1. Revisit the question in 6 months. If you're writing 2000+ words/day, upgrade to Premium.

    Conclusion

    Grammarly Premium costs €144/year. If you write 500 words/day, you won't gain €144 in productivity. The free version is enough for you. Use that money for something else. Really.

    But if you write 2000+ words/day AND you receive feedback on the tone? Then, Premium pays for itself. Just barely.

    Need help choosing your tools? Take the free diagnostic →

    Related articles: Grammarly vs LanguageTool: which corrector to choose? | Free tools for freelance writers

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