Smodin vs Yomu AI (2026): which should you pick?

Pick Smodin if

• Fits if you want writing, rewriting and plagiarism checks under one login
• Works for students who check essays before submitting

Look elsewhere if

• Skip it if you want to try it first, as no free plan or trial is stated
• Not for you if refunds matter, because every purchase is non-refundable
• Tight if you're on Starter, which limits writing output and leaves out the Chrome extension
• Watch out: using the humanizer can go against school or workplace rules

Pick Yomu AI if

• Fits if you write academic papers and want citations formatted for you
• Works for students who want to chat with their PDFs

Look elsewhere if

• Skip it if you want a stated free plan, as the pricing page lists none
• Tight if you write a lot, because Pro stops at 1,000 AI actions a month
• Pricey if you pay monthly, at $21 against $10 on the yearly plan
• Watch out: frontier models are on Ultra, and extra credits are bought separately

Smodin

• The pricing FAQ says all subscription purchases are non-refundable.
• No free plan or trial is stated on the pricing page; both plans are paid.
• Writing output is limited on Starter, and the Chrome extension is Premium only.
• Tools that help text bypass AI detectors may breach school or workplace rules.

Yomu AI

• Pro caps AI actions at 1,000 a month; the pricing page says extra credits can be bought and do not expire.
• Frontier chat models are on Ultra; Pro lists efficient models.
• The yearly saving shown is 50%, and the monthly rates are higher at $21 and $35.
• The pricing page lists no free plan; a free trial is mentioned only in the site's description.

Smodin

AI writer and chat

Writes essays, summaries and rewrites from prompts, and a chat assistant answers questions. Premium adds extended chat memory.

AI content detector

Checks whether text is likely AI-generated. The vendor says its detector covers 100 or more languages.

AI humanizer

Rewrites text to read as human-written, with AI Extra and Plagiarism modes. The FAQ calls detection removal about 80% consistent.

Plagiarism checker

Scans text against web and academic sources and reports similarity; Premium runs advanced scans across a whole document.

Rewriter, summarizer and translator

Extra tools for rewording, summarizing and translating text, plus a Chrome extension on Premium for Google Docs and the browser.

Yomu AI

Document assistant

Helps write sections and gives feedback on a document.

Autocomplete

Completes sentences and paragraphs as you type.

Editing commands

Paraphrase, expand, shorten, summarize and turn bullet points into text.

Citations

Find, insert and format citations in more than 700 styles, using the Sourcely tool.

Plagiarism checker

An originality check is included, and the site publishes an ethics statement.

Chat

Chat with PDFs, images and web search, and save sources to a library reused across documents.

Smodin

• Starter$10

  per month, billed annually ($12.99 billed monthly)

  All tools with standard detection, humanizing, plagiarism scans, writing and chat, and limited writing output.

• Premium$16

  per month, billed annually ($19.99 billed monthly)

  Premium models, advanced detection and humanizing, unlimited writing output, extended chat memory and the Chrome extension.

Yomu AI

• Pro$10

  per month, billed annually ($21 billed monthly)

  $120 a year. 1,000 AI actions per month and efficient AI models, with chat over PDFs and images.

• Ultra$17

  per month, billed annually ($35 billed monthly)

  $204 a year. Unlimited AI actions and frontier models; chat models include generous monthly usage.

Smodin

• Annual discount

  Save 20% with annual billing

  The pricing page says annual billing saves 20% against monthly, and shows a site-wide Black Friday banner for annual plans.

Yomu AI

• Annual discount

  Save 50% with yearly billing

  The pricing page shows Pro at $10 a month and Ultra at $17 a month when billed yearly, against $21 and $35 monthly.