The AI face editor behind a thousand viral trends — FaceApp transforms a single selfie with photorealistic aging, gender-swap, smile, hairstyle and makeup filters, plus retouching for skin, eyes and backgrounds. One tap is usually enough, and the results look far more natural than the cartoon filters most camera apps offer. Pros: impressively realistic AI transformations, a huge filter library that keeps updating, and dead-simple one-tap editing. Cons: the best filters sit behind a subscription, and the app processes photos on remote servers, so privacy-conscious users should read the policy first. Best for anyone who wants fun, share-ready selfie transformations for WhatsApp, TikTok or Instagram without learning a full photo editor.