Best AI Writing Tools Under $30/mo

Premium is the plan for people who paraphrase every day, and annual billing is far cheaper than monthly. The wide toolset sits behind one login: ten rewrite modes, grammar and plagiarism checks, a summarizer, translator and citation generator in APA, MLA and Chicago. Teams is the route for shared use. Some of the newer tools feel less refined than the paraphraser.

• +Offers ten paraphrasing modes, which is significantly more than most competitors that typically offer three or four.
• +Comprehensive feature set includes grammar checker, plagiarism detector, citation generator (APA, MLA, Chicago), AI Detector, Summarizer, and Translator covering 50+ languages.
• −Pricing is almost entirely invisible on the homepage, making it difficult to evaluate cost before committing.

Advanced triples the daily rewrites of the free tier and lifts the monthly summaries, and Unlimited drops the caps altogether. A three-day trial of the paid plans is available. It runs on its own AI21 models and not a generic wrapper, so output has a distinct style. It has no plagiarism checker, so pick QuillBot if you want one.

• +Built on proprietary AI models from AI21 Labs, not a generic GPT wrapper, giving it a distinct output style.
• +Fact-verified AI suggestions claim to cross-check generated content against five or more sources before surfacing.
• −No WordPress integration, limiting utility for content publishers who work directly in CMS environments.

Premium raises the text-field limit well beyond the free plan, adds unlimited AI paraphrasing and a style guide, and the Teams plan adds user management plus a shared dictionary and style guide. It is a privacy-minded, GDPR-compliant checker that supports 30+ languages and works in Word, Docs, Gmail and Outlook. Its AI covers sentence rewording, not drafting from scratch.

• +Supports grammar, style, and spelling checking across 30+ languages including multiple dialects, making it genuinely useful for multilingual users.
• +Has been operational since 2003, predating most competitors including Grammarly, indicating long-term stability and refinement.
• −The tool is narrower in scope than competitors like Grammarly, which may disappoint users expecting a full-featured writing assistant.

Premium gives unlimited word count, unlimited reports and rephrases, 25+ analysis reports and a custom style guide. Premium Pro goes further with more Sparks, Chapter Critiques and author workshops, and lifetime versions of both exist. English only. It plugs into Scrivener. Choose it over Paperpal when the manuscript is a novel, not a journal article.

• +Offers 25+ writing reports including pacing analysis, dialogue tag tracking, and repeated phrase detection that go far beyond surface-level grammar checks.
• +Integrates with Scrivener, a major differentiator over Grammarly that fiction writers in long-form workflows genuinely value.
• −Runs on a proprietary AI model with no recognizable third-party AI partnership, which may raise questions about model quality and transparency.

Premium supplies a monthly message count, three custom personas, citations with real-time information and hundreds of tools, and Ultra makes messages unlimited and adds ten personas plus early features. TypeAhead completion is unlimited on both. It lives in a Chrome extension and web editor, with no mobile app or grammar checker. A browser-based researcher gets more from it than a long-form novelist.

• +The Chrome extension integrates natively into Gmail, Google Docs, and virtually any web interface, eliminating the need to switch tabs while writing.
• +Scholar AI connects to millions of peer-reviewed articles in real time and provides citations alongside generated content, a feature most competitors lack entirely.
• −No plagiarism checker is included, which is a notable gap for academic and professional users.

• +The free web editor scores readability and highlights wordy sentences, passive voice and adverbs.
• +Advanced grammar fixes are unlimited on every Editor Plus plan and do not use AI credits.
• −There is no browser extension, Word or Google Docs add-in, or mobile app.

Plus is the first plan that lets you draft all week: thousands of autocompletes a month, unlimited PDF uploads, hundreds of AI edits and chat messages, and ten full-paper Reviews. Pro removes every limit and adds priority support, but the jump in cost is steep. Every suggestion can be traced to a source. Choose it over Paperpal when drafting, not editing, is the problem.

• +Grounded autocomplete cites real, traceable academic sources rather than fabricating references like general chatbots do.
• +Over 10,000 citation styles supported, covering virtually every journal format a researcher could encounter.
• −Not suitable for marketing teams, SEO writers or content creators, with no brand voice controls or bulk generation.

Smodin's Starter includes the detector, humanizer, plagiarism checker, AI writer, chat and career toolkit in a single subscription. It charges immediately and has no trial, which makes the first month a commitment. Premium is for volume: bulk processing, unlimited writing output, longer chat memory and priority support. Students wanting several checks in one place get more here than at Wrizzle AI.

• +Smodin bundles an AI essay writer, plagiarism checker, and AI humanizer into one subscription, eliminating the need for multiple separate tools.
• +The platform supports over 100 languages with depth that goes beyond the thin multilingual wrappers common in competing tools.
• −The AI humanizer feature is described as having a short half-life, likely to become unreliable as AI detection tools continue to improve.

Wrizzle works on monthly word pools, so check your own volume first. Standard covers 100,000 advanced-model words, while Premium raises that to 300,000 and enlarges the detector, humanizer and ChatPDF pools. Beyond those pools the lighter model is unlimited. It suits freelancers who turn out many short pieces. The company behind it publishes little, so judge the output yourself before paying annually.

• +Offers a no-login free tier with five generations per day, which is more generous than most competing tools.
• +Bundles over 30 writing tools into a single platform, including an AI Text Generator, Paraphraser, Humanizer, and ChatPDF.
• −Founding date, headquarters, and user base are all unknown, which raises credibility concerns for a paid product.

Conch AI has a single paid plan, Limitless, plus a seven-day money-back guarantee instead of a trial. It earns its place with flashcards, mind maps and smart notes alongside rewriting and a citation tool. There is no plagiarism checker, so students who submit work to a checker should look at Smodin. It runs as a Chrome extension and web app, with no native phone apps.

• +Bundles writing assistance, rewriting, study tools, and citation generation into a single platform, reducing the need for multiple subscriptions.
• +Rewriting and paraphrasing tools help students revise drafts they have already written.
• −ConchBib citation tool can be hit-or-miss, sometimes producing inaccurate citations that require manual correction before submission.

WordAi does one job, rewriting whole articles, and does it in volume, with bulk rewriting, an API and as many as 1,000 variations of one piece. There is no free plan, only a three-day trial. The yearly plan has the same features as monthly at a much lower monthly rate, and Enterprise covers high throughput. It is a rewriting engine, so look elsewhere for grammar or drafting.

• +Uses meaning-based rewriting rather than simple synonym swapping, preserving the original intent of the content.
• +Generates up to 1,000 variations per article, making it well-suited for high-volume SEO campaigns.
• −No brand voice controls, meaning output cannot be tailored to a specific tone or style.

• +Unlimited resumes, unlimited job tracking and unlimited PDF downloads are on the free plan.
• +A match score from 0 to 100% weighs your resume's keywords, skills and experience against a job description.
• −Resumes export as PDF, with no Word download.

• +Resumes, cover letters and downloads are unlimited on the free plan.
• +Premium billed yearly costs $8 a month.
• −The AI writer and AI cover letters are Premium features.

ContentBot rewards people with a content calendar. Its AI Flows run on triggers and schedules, CSV imports process prompts in bulk, and it supports 110+ languages. Starter, Premium and Premium+ step up the monthly words, with prepaid usage as an alternative. There is no free plan or trial. Its SEO scoring is lighter than a dedicated tool, so it suits blog output, not SEO research.

• +The AI Flows feature automates content with triggers, inputs and scheduled pipelines, going beyond simple prompt-and-response generation.
• +The CSV Import feature allows bulk prompt jobs with output routed to docs or email, making it genuinely useful for agencies producing content at volume.
• −The tool has rough edges that cause some users to tolerate rather than enjoy the product, suggesting UX and polish are ongoing weaknesses.

Choose Rytr when you want a template for every small task: 40+ use cases, 20+ tones and a built-in plagiarism check. Unlimited and Premium differ on custom tones, plagiarism checks and languages, not on generation counts. It reaches its ceiling sooner than the homepage suggests, and My Voice can wander on longer pieces. Wrizzle AI gives more tools, though Rytr's commercial rights are explicit.

• +Extremely affordable pricing at $9/month for unlimited output makes it accessible for budget-conscious freelancers and small businesses.
• +Library of 40-plus templates covers a wide range of short-form content needs including product descriptions, email copy, social captions, and SEO meta titles.
• −The tool has a clear capability ceiling that freelancers and marketers will hit faster than the homepage implies.