iTextwise vs Wordtune

iTextwise and Wordtune are both rewriters & paraphrasers tracked by AIDiveForge. Below is a side-by-side comparison of pricing, capabilities, platforms, and ownership — sourced from each tool's live website and verified before publishing.

iTextwise

The tool takes a paste-and-click workflow: drop in your text, select one of nine tones, adjust an intensity slider from subtle to strong, and get a rewritten version in seconds. A live diff highlights every word that changed, so you can see the delta rather than guess at it. There is no account, no saved data on the server, and no character limit — the page states this explicitly. The catch is equally explicit: this is a single-shot web tool. No API, no browser extension, no integrations with Gmail or Slack. Every rewrite is a manual trip back to the tab.

Wordtune

Wordtune is a writing assistant from AI21 Labs that takes a sentence or paragraph and returns a list of context-aware rewrites, letting you pick the phrasing that fits your voice. Tone controls let you slide between formal and casual without rewriting from scratch, which saves time on anything from a cold email to a LinkedIn post. The fact-checking layer cross-references at least five sources before surfacing AI-generated claims, so you are not blindly publishing hallucinated statistics. The ceiling appears fast: Wordtune is a one-shot rewrite tool, not a drafting environment. Teams that need long-form generation, custom brand voice rules, or workflow integration with a CMS will hit its limits and go looking elsewhere.

Attribute	iTextwise	Wordtune
Pricing	Free	Paid
Price	—	$6.99/mo or $9.99/mo
Free trial	No	3 days
Open source	Yes	No
Has API	No	Yes
Self-hosted option	No	No
Platforms	Web	Google Chrome, Microsoft Edge, Firefox, and Arc browser extensions; web app; iOS app
Released	—	2020-10-27
Pros	Nine distinct tones covering professional through academic, so you can match register to recipient without rewriting by hand across multiple drafts. Intensity slider controls how far the rewrite departs from your original phrasing, which means you can preserve your voice on a subtle setting or push to a full register shift when the draft is rough. Live inline diff highlights every changed word, so you can review the AI's edits before copying — avoiding the risk of sending a rewrite that quietly changed your meaning. No account, no server-side storage, and no character limit, which means you can paste sensitive text without creating a data trail or hitting a paywall mid-draft. Local session history stores recent rewrites in the browser, so you can compare versions or restore a previous pass without re-running the tool.	Context-aware rewrite suggestions match the tone and subject already in your text, so you avoid the jarring generic paraphrase that makes AI-assisted writing obvious. Tone toggle between formal and casual is a single click, which means a customer-facing team can adapt the same draft for a Slack message and a board memo without rewriting twice. Translation into natural English from ten languages — not literal translation — so non-native speakers send emails that read as written by a fluent speaker, not processed by a dictionary. Fact claims in AI-generated suggestions are cross-referenced against at least five sources before surfacing, which means you are less likely to publish a statistic that evaporates under a Google search. Chrome extension embeds directly into Gmail and Google Docs, so rewrites happen inside the tool you are already using rather than requiring a copy-paste round trip to a separate interface.
Cons	No API and no integrations exist — every rewrite requires a manual trip to the browser tab. A support team handling more than a handful of tickets per day will spend more time copy-pasting than writing, and will switch to a tool with an API endpoint they can call from their helpdesk. The tool is web-only with no self-hosted option, so teams with strict data residency requirements cannot route text through it regardless of the no-storage policy — they will need a self-hostable alternative. Output is one-shot with no prompt customization beyond tone and intensity. When the rewrite misses the target — wrong formality level for a specific client relationship, or an empathetic tone that still sounds corporate — there is no way to refine the instruction. You re-run and hope the next pass is closer.	Wordtune is a sentence-and-paragraph tool — feed it a 3,000-word article expecting a full structural rewrite and the suggestions become repetitive and disconnected. Teams with long-form content needs switch to dedicated drafting tools or general-purpose LLM interfaces that maintain document-level context. There is no brand voice configuration or style guide layer. A content team that needs every piece of output to match a specific tone profile — defined vocabulary, sentence rhythm, prohibited phrases — cannot encode those rules into Wordtune. At that scale, teams move to platforms that accept style instructions or fine-tuned models. Advanced proofreading depth and higher rewrite volume are paid-only features, so the free tier hits a usage wall exactly when a deadline pushes a writer to rewrite an entire document. Teams that run into this cap consistently either upgrade or route their volume through a general-purpose AI writing tool with no per-rewrite ceiling. No self-hosted deployment option exists, which means any text submitted — client names, draft contracts, internal strategy — passes through AI21 Labs' servers. Teams in regulated industries or under strict data governance policies cannot use Wordtune for sensitive content and move to on-premise or private-cloud alternatives instead.

Bottom line

ITextwise is free while Wordtune is paid; iTextwise is open source; only Wordtune exposes a public API. Choose based on which difference matters most for your workflow.

Frequently asked questions

What is the difference between iTextwise and Wordtune?

iTextwise is Free and open source, while Wordtune is Paid. Compare pricing, free trial, API, platforms, and pros/cons in the table above on AIDiveForge.

Is iTextwise better than Wordtune?

It depends on your workflow. Use the side-by-side attributes (pricing, open source, API, self-hosted, platforms) to decide. AIDiveForge does not rank a universal winner — we publish verified facts so you can choose.