Long Exposure.
Frame by Frame.

Computational frame stacking on iPhone.
No ND filters. No tripod. Just your phone.

Download on the App Store
Smooth mode: Silk water, blurred clouds
blendMean

Smooth

Silk water, blurred clouds

Light Trail mode: Every streak of light kept
blendLighten

Light Trail

Every streak of light kept

Ghost Remove mode: Moving people vanish
blendMedian

Ghost Remove

Moving people vanish

Settings

Manual Control

ISO 100-3200
Focus Manual + AF
Duration 1s to ∞
Timer 3s / 10s
Night long exposure captured with Lento
Pro output

RAW Export

HEIFJPEGDNG

4032x3024 / 16-bit / P3 / Full EXIF

Metal GPU Real-time preview On-device only iPhone XR+

Free

$0
  • Smooth + Light Trail
  • HEIF / JPEG
  • 15 second limit
  • Watermark

Pro

$5.99 once
  • All capture modes
  • RAW DNG export
  • Manual controls
  • Unlimited duration
  • No watermark
Download on the App Store

One purchase. No subscription.

Get Lento

Download on the App Store

Requires iPhone XR or later. iOS 18+.