ND+Timer vs ND Filter Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ND+Timer
This app helps photographers determine correct exposure times for long exposure shots using ND filters. It includes a timer to capture the perfect moment and offers pro features through in-app purchases for enhanced functionality.
- Exposure time calculation with ND filters
- Integrated timer for capturing moments
- Notifications while device is locked
- Dark mode (Pro feature)
- Lock screen widget with running timer (Pro feature)
- Dynamic Island support (Pro feature)
- Automatic exposure computation for multiple filters (Pro feature)
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You are on a trip and would like to take a photo of a waterfall? Maybe You would like to take a long time exposure. ND+Timer gives you all the required capabilities to do filter photography. With ND+Timer you can always determine the correct exposure time for your photo. You can use the included timer feature to avoid missing the perfect moment. ND+Timer provides a lot of features: - Intuitive and clean app for photographers - Simple determination of exposure times with ND filters - Timer feature for taking photos - Notifications while device is locked ND+Timer is a freetime app project. To avoid annoying ads the app has some features available through in app purchases. Have understanding for this. Pro features (in app purchase): - Dark mode for the night - Widget with running timer on the lock screen - Support for the Dynamic Island - Hide unnecessary filters for clarity - Compute the exposure time automatically for multiple filters
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.
Screenshots
Verdict
The clearest difference is review sentiment: ND Filter Calc at 100% against ND+Timer's 60%. ND Filter Calc also leads on in-app purchases (none vs 1) and update cadence (every 6 days vs every 2 months). On price, ads, device support and iOS requirement 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. ND+Timer sells 1 one-off in-app purchase. ND Filter Calc asks for nothing beyond the download.
ND+Timer ships an update every 2 months, ND Filter Calc every 6 days. The most recent releases landed on September 20, 2026 and June 1, 2026 respectively.
| Parameter | ND+Timer | ND Filter Calc |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Update frequency | Every 2 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Tobias Ullerich | Jerry Watson |
Customer experience
ND+Timer
ND Filter Calc
In-app purchases
ND+Timer
- ND+Timer Pro$1.99
ND Filter Calc
No in-app purchases
Questions
Is ND+Timer free?
Is ND Filter Calc free?
Do ND+Timer or ND Filter Calc have ads?
Which is updated more often, ND+Timer or ND Filter Calc?
Other comparisons
