# What? - AI Rewriter — Rewrite anything with AI > Rewrite anything with AI (iPhone/iPad app by Sylvain Lafrance.) - Source: https://appshunter.io/ios/app/what-ai-rewriter/id6769452050 (this page in markdown: same URL + `.md`) - Developer: [Sylvain Lafrance](https://appshunter.io/developer/1197090441) - Category: Productivity, Utilities - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 18.6 · 7 MB - Languages: American English, French (France), German (Germany), Japanese, Chinese (Simplified, China), European Spanish - Released: 2026-05-21 - Data updated: 2026-08-07 - User reviews in markdown: https://appshunter.io/ios/app/what-ai-rewriter/id6769452050/reviews.md ## What is What?? What? is an AI writing assistant powered by Claude. Paste any text, pick an action, get a polished result — in seconds, without leaving the app. -------------------------------------- 14 BUILT-IN WRITING ACTIONS -------------------------------------- Fix Grammar · Rephrase · Make Professional · Make Casual · Shorten · Expand · Simplify · Translate (20 languages) · Humanize · Improve Flow · Make Punchy · Remove Hedging · More Assertive · Analyze Tone Humanize strips AI tells — em-dashes, "delve," "leverage," "tapestry," "robust" — and rewrites with contractions, fragments, and varied rhythm so your text reads like a real person wrote it. Pro subscribers get Claude Sonnet. The most capable model for nuanced edits. -------------------------------------- 16 FREE ACTION PACKS — 160 SPECIALTY ACTIONS -------------------------------------- Every pack is free and included. No purchases, no paywalls, no limits. Writer's Pack — vivid imagery, stronger openings, cliché removal, active voice Lawyer's Pack — legal precision, plain English, protective hedging, demand letters Marketer's Pack — headlines, A/B variants, CTAs, SEO, ad copy Email Pack — match reply tone, cold emails, subject lines, TL;DR, follow-ups Student Pack — academic tone, paraphrase, thesis, counterargument, study notes Dating Pack — confident openers, banter, bio glow-up, let them down kindly Recovery Pack — apologies, de-escalation, boundaries, make peace Comedy Pack — stand-up style, dry wit, dark humor, roast, absurdist Funny Pack — universal humor, dad jokes, meme-ready, one-liners, captions International Pack — Japanese business, German direct, French polite, match any culture Social Pack — tweet-ify, LinkedIn, Instagram captions, TikTok hooks, threads Coach's Pack — reflective listening, reframe, SMART goals, hard feedback Customer Support Pack — empathize, calm angry customers, explain policy, close tickets Sales & Negotiation Pack — handle objections, follow up, close, counter-offer Job Hunt Pack — resume bullets, cover letters, STAR answers, salary negotiation Product & UX Writing Pack — microcopy, error messages, push notifications, button labels MATCH ANY CULTURAL CONTEXT Pick a country — Japan, Germany, France, Brazil, India, and 20 more — and the International Pack adapts your text to that culture's communication style without translating a word. -------------------------------------- WORKS EVERYWHERE -------------------------------------- Keyboard Extension — fix or rephrase in any app from your keyboard Share Extension — select text anywhere, tap Share → What? to process it instantly Home-Screen Widget — one tap from your home screen iCloud Sync — history and settings stay in sync across all your devices -------------------------------------- BYOK — BRING YOUR OWN KEY -------------------------------------- Have an Anthropic API key? Use it directly. All Claude models, custom prompts, no monthly caps from us — you pay Anthropic per request. Your key lives in the iOS Keychain and never leaves your device. -------------------------------------- SUBSCRIPTION -------------------------------------- · 3-day free trial — no credit card upfront · Pro — Claude Sonnet, Writing Coach mode, Before/After diff view, tone meter · BYOK — your own Anthropic key, unlimited requests, custom-built actions Payment is charged to your Apple ID at confirmation. Subscription renews automatically. Cancel anytime in Settings → Apple ID → Subscriptions. Privacy Policy: https://sylvainlafrance.com/what/privacy Terms of Use: https://sylvainlafrance.com/what/terms ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | What - Subscription Monthly | $7.99 | per month | | What - Subscription Yearly | $49.99 | per year | | What - BYOK Subscription Yearly | $14.99 | per year | | What - BYOK Subscription Monthly | $1.99 | per month | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | What - Marketer Pack | $9.99 | one-time | | What - Dating Pack | $4.99 | one-time | | What - Email Pack | $5.99 | one-time | | What - Student Pack | $5.99 | one-time | | What - Recovery Pack | $4.99 | one-time | | What - Comedy Pack | $4.99 | one-time | | What - Funny Pack | $3.99 | one-time | | What - International Pack | $5.99 | one-time | | What - Social Pack | $6.99 | one-time | | What - Coach Pack | $5.99 | one-time | ## Version history (last 5 releases) ### 1.4 — 2026-08-01 Bug fixes and under-the-hood improvements for a smoother experience. ### 1.3 — 2026-06-29 Every Action Pack is now free — and there are more of them than ever. • All 16 specialty packs are included for everyone. No purchases, no preview limits, no paywalls — just open a pack and go. • Every pack now has 10 actions (up from 4) — 160 purpose-built writing tools in all. • Four brand-new packs: Customer Support, Sales & Negotiation, Job Hunt, and Product & UX Writing. • Packs are now listed alphabetically and start collapsed, so Home stays clean. Tap a pack header to reveal its actions, or use Expand all / Collapse all. • The free trial is completely unlocked — every feature, no daily or monthly usage caps while you're trying it out. • Cleaner, simpler app: we retired the separate pack store and the old upgrade prompts now that everything's included. ### 1.2 — 2026-06-03 • Culture picker for Match Cultural Context — pick from 25 countries; text adapts to that culture's style without changing language • International pack respects input language — Japanese Business / German Direct / French Polite now shift the style, not the language • Pack action name in result title — "Japanese Business Style" instead of "Result" • Paste at cursor — paste icon inserts at the cursor or replaces selection (no more clobbering) • Bigger main input box — 200pt minimum, grows to 420pt with internal scroll • Text selection fixed — copy/paste/long-press loupe work properly (gesture conflict removed) • Coach suggestions match input language • Onboarding share-extension slide — Use What? from any app • Stronger Humanize prompt — also strips "resonate", "holistic", "foster", "unprecedented", "multifaceted", "seamless", "robust" • Dozens of new translations — status view, BYOK, paywall subtitles, error messages, bundle pitch fully localized in all 6 languages ### 1.1 — 2026-05-23 Few bugs fixed. UI improvements ### 1.0 — 2026-05-22 No release notes. ## More apps by Sylvain Lafrance - [Soccer Kick](https://appshunter.io/ios/app/soccer-kick/id1197090442) - [Point and Shoot Ball Game](https://appshunter.io/ios/app/point-and-shoot-ball-game/id1234110279) - [Falling Bricks](https://appshunter.io/ios/app/falling-bricks/id1339682429) - [Share-it - App for bloggers](https://appshunter.io/ios/app/share-it-app-for-bloggers/id1460343379) - [HoursCal](https://appshunter.io/ios/app/hourscal/id1613446069) - [Search-it](https://appshunter.io/ios/app/search-it/id1626651992) All apps by Sylvain Lafrance: https://appshunter.io/developer/1197090441 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-07.*