ND Filter Calc vs Kamera Express
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
Read full descriptionHide full description
A simple neutral density filter calculator for photographers. Has a count-down timer for shutter speeds of 3 seconds and above.
Kamera Express
Read full descriptionHide full description
Inside the Kamera Express app, you can: Access all of your videos in one easy to use app Receive push notifications with the latest news and updates Access to all of your videos without having to remember your password Save your favorite posts so you can quickly find them later END USER LICENSE AGREEMENT https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
ND Filter Calc and Kamera Express are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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, Kamera Express every 2 weeks. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.
| Parameter | ND Filter Calc | Kamera Express |
|---|---|---|
| Price | Free | Free |
| 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, iPad |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 47 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Jerry Watson | Kamera Express |
In-app purchases
ND Filter Calc
No in-app purchases
Kamera Express
No in-app purchases
Questions
Is ND Filter Calc free?
Is Kamera Express free?
Do ND Filter Calc or Kamera Express have ads?
Which is updated more often, ND Filter Calc or Kamera Express?
Other comparisons
