ND Filter Calc vs LightMate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ND Filter Calc
This tool helps photographers calculate neutral density filter effects on their camera's exposure. It includes a countdown timer for long exposures, simplifying the process of achieving desired results.
- Neutral density filter calculation
- Exposure compensation
- Long exposure timer
- Countdown for shutter speeds > 3 seconds
- Simple interface
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A simple neutral density filter calculator for photographers. Has a count-down timer for shutter speeds of 3 seconds and above.
LightMate
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LightMate - ExpoCalc: Your Long Exposure Photography Companion Transform your long exposure photography with precision and ease. Whether capturing silk-smooth waterfalls, ethereal cloud movements, or mesmerizing light trails, LightMate delivers the exact calculations you need in seconds. PROFESSIONAL PHOTOGRAPHY TOOLS: Calculate perfect exposure times based on your ND filters Find the ideal ND filter combination for your desired exposure length Adjust aperture, shutter speed, and ISO with intuitive controls View multiple equivalent exposure combinations instantly DESIGNED FOR PHOTOGRAPHERS BY PHOTOGRAPHERS: Clean, distraction-free interface optimized for field use Precise calculations based on professional photography principles Support for all standard ND filter densities (ND2-ND100000) Save favorite settings for quick access Dark mode for night shooting sessions PERFECT FOR: Landscape photographers capturing flowing water and clouds Architectural photographers removing crowds from busy scenes Urban photographers creating dramatic light trails Any photographer wanting to master long exposure techniques Skip the guesswork and complex mental calculations. LightMate - ExpoCalc handles the technical details so you can focus on creativity and composition.
Screenshots
Verdict
The clearest difference is price: ND Filter Calc at Free against LightMate's $0.99. ND Filter Calc also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
ND Filter Calc is free to download; LightMate costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ND Filter Calc ships an update every 6 days, LightMate every 2 weeks. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.
| Parameter | ND Filter Calc | LightMate |
|---|---|---|
| Price | Free — better | $0.99 |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 6 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 47 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Jerry Watson | Qiao Hu |
In-app purchases
ND Filter Calc
No in-app purchases
LightMate
No in-app purchases
Questions
Is ND Filter Calc free?
Is LightMate free?
Do ND Filter Calc or LightMate have ads?
Which is updated more often, ND Filter Calc or LightMate?
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