ND Filter Expert DSLR & Drone
ND Filter Expert DSLR & Drone Summary
ND Filter Expert DSLR & Drone is a ad-supported, with in-app purchases Android app in Photo And Video by Eve&Else. Released in Dec 2018 (7 years ago). It has about 172.6K+ installs and 516 ratings with a 4.25★ (good) average. Based on AppGoblin estimates, it reaches roughly 567 monthly active users and generates around $<10K monthly revenue (60% IAP / 40% ads). Store metadata: updated Feb 21, 2026.
Recent activity: 162 installs this week (841 over 4 weeks) showing below average growth View trends →
Store info: Last updated on Google Play on Feb 21, 2026 .
4.25★
Ratings: 516
Screenshots
App Description
7 modes: photo, drone, video & bulb. ND filter calculator with exposure timer.
Calculate exposure times for ND filters – precisely, quickly, and directly in the field.
The most complete ND filter calculator for photographers, drone pilots & videographers
ND Filter Expert gives you 7 specialized calculation modes for every shooting scenario. Whether you're stacking filters, flying a drone, or shooting long-exposure video – get your correct exposure time in seconds.
7 Calculation Modes
– Simple: Quick calculator – base shutter speed + ND filter = new exposure time
– Expert: Combine aperture, ISO and up to 5 filters simultaneously
– Bulb Mode: Enter long exposures in hours, minutes and seconds
– Reverse ND: Set your desired shutter speed and find the right filter
– Light / EV: Calculate the required filter based on aperture and ISO
– Drone Mode: Frame-rate based calculations for drone pilots (180° rule)
– Vario ND: Calculations for variable / adjustable ND filters
Built-in Exposure Timer
Tap your result to start the exposure timer directly in the app – no stopwatch needed. The timer runs as a background service and notifies you with alarm and vibration when done. Tones and vibration patterns are fully configurable.
Favorites & Custom Filters
Save your most-used setups as favorites per calculator mode. Search, sort and filter them for instant access in the field. Create and manage custom ND filter values for your specific gear.
Learn as you shoot
New to ND filters? ND Filter Expert includes a full tutorial, step-by-step guides, and an FAQ with 11 real-world questions. Plus accessory recommendations for tripods, step-up rings and filter brands.
All features at a glance
– 7 specialized calculator modes
– Stack up to 5 ND filters simultaneously
– Dedicated Drone Mode with FPS-based calculation
– Built-in exposure timer with background service
– Create custom ND filter values
– Full tutorial, step-by-step guides and FAQ
– Night mode / dark theme
– Screen lock during exposure
– 27 languages supported
– No unnecessary permissions – privacy first
Go Premium – ad-free & fully unlocked
Upgrade within the app: remove ads, get unlimited favorites and full access to all calculation modes and features. Or choose "ND Filter Expert Pro" as a standalone paid app.
Note: The free version contains unobtrusive banner ads outside the main calculator. All premium features can be unlocked via in-app purchase.
Questions or feedback? support@nd-filter-expert.com