# IRO – coloring book for adults — color therapy & calming ASMR > color therapy & calming ASMR (iPhone/iPad app by Curly Doggo Limited.) - Source: https://appshunter.io/ios/app/iro-coloring-book-for-adults/id6759291859 (this page in markdown: same URL + `.md`) - Developer: [Curly Doggo Limited](https://appshunter.io/developer/1787580273) - Category: Lifestyle, Games, Board, Puzzle - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 26.0 · 495 MB - Languages: American English, Arabic, Dutch, French (France), German (Germany), Italian, Japanese, Korean, Brazilian Portuguese, Russian and 3 more - Released: 2026-03-17 - Data updated: 2026-08-04 - User reviews in markdown: https://appshunter.io/ios/app/iro-coloring-book-for-adults/id6759291859/reviews.md ## What is IRO? IRO is a calm, beautifully crafted coloring book for iPhone and iPad — built for those moments when you just want to slow down, breathe, and color. Hand-Drawn Isometric Worlds Color your way through richly detailed isometric scenes. Step into cozy spaces — coffee roasteries, sushi prep counters, Vienna kaffeehauses, plant shops, champagne cellars — or wander iconic cities like Kyoto, Lisbon, Marrakech, Buenos Aires, and Istanbul. New pages are added regularly. Pages of the Day A handful of pages unlock for free every day. No rush, no friction — just open IRO and start coloring. Professional Artist Tools Color with nine realistic tools — Brush, Pencil, Marker, Crayon, Watercolor, Fountain Pen, Monoline, Eraser, and tap-to-fill Bucket. Adjust size and opacity, pick any color from a full-spectrum picker or one of the curated palette packs, and watch the bucket fill spread out from your fingertip. Fully optimized for Apple Pencil with pressure sensitivity. Made for iPhone and iPad Edge-to-edge canvas, pinch-to-zoom up to 5x, two-finger pan, and a mini-map to stay oriented at the tightest detail. Optimized layouts for both iPhone and iPad. Time-Lapse Replays Every coloring session is quietly recorded so you can export a smooth time-lapse video of your work — perfect for TikTok, Reels, or Stories. Share Your Way Export your art as a 9:16 vertical for Stories and TikTok, or as a time-lapse video. Pick any background color, toggle the watermark, and share anywhere you like. Personal, By Design A quick personalized onboarding tunes IRO to your taste — light or dark mode, a mood-driven accent color, and gentle daily reminders if you want them. Quiet, never noisy. Never Lose Your Progress Your work saves automatically, stroke by stroke. Come back any time and pick up exactly where you left off, with full undo and redo when you want to experiment. Designed for Calm Every detail — from rounded typography to soft haptic feedback — is shaped to make coloring feel soothing, not stressful. Start coloring. Start relaxing. ---- Note: some features in IRO Coloring Book require a subscription. Free trial is available. Privacy Policy: https://irocoloring.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Coloring Book Pro | $3.99 | per 7 days | | Coloring Book Pro | $4.99 | per 7 days | | Coloring Book Pro - Weekly | $7.99 | per 7 days | | Coloring Book Pro - Annual | $29.99 | per year | ## Version history (last 5 releases) ### 2.5 — 2026-07-30 IRO now speaks your language. The whole app — every page name, every color cue, every quiet corner — is now in French, German, Spanish, Portuguese, Italian, Dutch, Russian, Japanese, Korean, Chinese (Simplified and Traditional), and Arabic. Also in this update: — Stay-in-lines coloring is smoother, with no flicker as strokes settle. — Pinch-zoom stays fluid on even the most detailed pages. ### 2.4 — 2026-07-17 Trails — 24 new pages tracing famous walking paths, from coastal camino stretches to quiet forest routes. Full-bleed art, made for slow evenings. Inspiration — every page now comes with a finished version we coloured for you. Peek at it whenever you like — borrow the mood, or go your own way entirely. Plus refreshed suggested palettes across all pages, and sharper full-bleed exports. ### 2.3 — 2026-07-05 bug fixes & performance improvements ### 2.2 — 2026-06-25 — ink-bloom reveal — watch a finished page bloom from bare outlines into full color, like ink spreading across the page — share the reveal as a video, right alongside time-lapse — ready for tiktok, reels, or stories — richer suggested palettes — more vivid color, with gentle shading worked in plus a little polish — a softer app launch, cleaner gallery thumbnails, and the usual quiet refinements. happy coloring. ### 2.1 — 2026-06-15 this update is all about color — which shades to reach for, and where. what's new: — suggested palettes for every scene — each page now arrives with a curated, hand-shaded set of colors, so you can settle in and start coloring without second-guessing — tap-to-pick color cues — subtle labeled hints suggest which shade suits each area; tap a cue to grab the exact color, or tap again to cycle through it. IRO+ unlocks color hints on every page — truer colors in dark mode — brush strokes could render slightly off in dark mode; now your colors stay exactly as you picked them, on the canvas and in every export, thumbnail, and time-lapse plus a long tail of polish — smoother time-lapse exports, a cleaner hint-unlock button, more reliable canvas taps, and refreshed artwork with updated palettes across the collection. happy coloring. ## More apps by Curly Doggo Limited - [Adblocker for Safari—All Block](https://appshunter.io/ios/app/adblocker-for-safariall-block/id6739945845) - [Apex – GPS Digital Speedometer](https://appshunter.io/ios/app/apex-gps-digital-speedometer/id6747625389) - [Artisan of Glass – Puzzle Game](https://appshunter.io/ios/app/artisan-of-glass-puzzle-game/id6790189486) All apps by Curly Doggo Limited: https://appshunter.io/developer/1787580273 --- *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 2026-08-04.*