Cartoonie is an iOS photo-to-cartoon app: upload a photo, pick a style, get a likeness that works for pets and every skin tone. 69 styles. Credit packs plus live $7.99/week and $49.99/year (early; not a sub-only product). 4.82★ from 92 US ratings. Includes cartoonie.ai (Rails site + API). SEO clicks 400 → 903 June to August. RevenueCat + new Stripe one-time checkout. Turnkey, under 1 hour a month.