Photo upscaler for iPhone

Four timesthe detail.

CrispUp enlarges a photo up to 4× on your iPhone’s Neural Engine. Five enhancement styles backed by four Real-ESRGAN networks — for natural photos, maximum detail, illustration, old scans and quick jobs — and nothing ever leaves the device.

No upload, no account, no subscription. Free, with restrained, non-personalised advertising outside regions that require consent.

01 What it does

Pick a photo or take one, choose 2× or 4×, and tap Upscale. The style recovers edges and texture tile by tile while you watch the picture sharpen, then you drag a line across the result to compare, and save it to Photos or share it. Results keep the original’s capture date, camera and colour — a Display P3 photo comes out Display P3.

02 Get it

Get CrispUp on the App Store

03 Help and privacy

Support guide

Privacy policy