ND Filter Calc vs ND Easy
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.
ND Easy
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Select the ND filter you own that best matches your shooting angle, and determine how important the CPL filter is for the shot.
Screenshots
Verdict
The clearest difference is update cadence: ND Filter Calc at every 6 days against ND Easy's every 5 weeks. ND Filter Calc also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ND Filter Calc ships an update every 6 days, ND Easy every 5 weeks. The most recent releases landed on June 1, 2026 and September 21, 2026 respectively.
| Parameter | ND Filter Calc | ND Easy |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 6 days — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 47 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Jerry Watson | Gerard DUVAL |
In-app purchases
ND Filter Calc
No in-app purchases
ND Easy
No in-app purchases
Questions
Is ND Filter Calc free?
Is ND Easy free?
Do ND Filter Calc or ND Easy have ads?
Which is updated more often, ND Filter Calc or ND Easy?
Other comparisons
