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Smodin vs Wordtune

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. Smodin starts at $12.99, Wordtune at $4.89. Both have a free tier. Only Smodin ships a public API.

SmodinStudent writing suite spanning rewriting, detection and citationsWordtuneSentence rewriter that keeps the meaning you intended

Side by side

FactSmodinWordtune
CategoryAI Writing AssistantsParaphrasing & Rewriting
Pricing modelFreemiumFreemium
Starts at$12.99 month$4.89 month
Public APIYesNo
PlatformsWeb, API, Chrome ExtWeb, Chrome Ext
CompanySmodin LLCAI21 Labs
Launched—2020
Last verifiedSep 6, 2026Sep 6, 2026

What our research says

Smodin

The value is the bundle, not any single tool being best in class — at $12.99 it replaces two or three separate student subscriptions. Do not treat its AI detector or humanizer as authoritative about anything.

Pros

  • Seven-plus distinct tools under a single $12.99 subscription
  • Strong multilingual coverage across rewriting and translation
  • API access and bulk processing available on the Premium tier
  • Free tier is workable for occasional one-off jobs

Cons

  • Detection accuracy figures are vendor-stated and independently unverified
  • The humanizer feature invites academic-integrity problems for student users
  • Writing output is capped on Starter; only Premium removes the limit
  • Little public detail about the company or team behind it

Wordtune

Wordtune still does the one thing it was built for better than the general assistants do, but its owner is in visible trouble and the product has not shipped news in two years. Cheap and useful today, risky as a dependency.

Pros

  • Rewrites preserve intent instead of paraphrasing into something else, which is the whole point
  • In-place browser extension avoids the copy-paste round trip
  • Cheapest tier is under $5 a month on annual billing

Cons

  • Parent AI21 Labs is in financial distress: a $300M round never closed, acquisition talks with NVIDIA and then Nebius, and reported layoffs above 60%
  • The product blog has not been updated since June 2024 and the site footer still reads 2025
  • AI21's own site no longer mentions Wordtune anywhere, suggesting it is no longer a strategic product
  • Free tier's 10 rewrites a day is exhausted in a single editing session

Which one fits

Choose Smodin if you need

  • Students juggling essay drafting, citations and translation in one place
  • Non-native English writers who need rewriting plus translation together
  • Anyone consolidating several small writing subscriptions into one bill

Choose Wordtune if you need

  • Non-native English writers who need a sentence to read naturally, not be rewritten wholesale
  • Anyone editing inside Gmail, Docs or LinkedIn who wants suggestions in place
  • Light users, since the free tier is genuinely usable for occasional rewriting

More comparisons

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