Comparison

Film Process Timer vs ND Filter EV

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Film Process Timer

This app helps manage film developing processes with customizable multi-step timers. It offers a special darkroom mode with red hues and allows synchronization across devices. Predefined timers are available in the free version, with expanded features in the paid version.

Highlights
  • Multiple customizable timers
  • Multi-step timer configuration
  • Darkroom color mode
  • Home screen notifications
  • Timer grouping and favorites
  • iCloud synchronization
Features
Read full description

A film developing timer, with a darkroom color scheme mode where the colors are predominately red hues. It features the ability to create multiple timers, with multiple steps. The timers can be - Grouped in to categories or types - Duplicated - Set to show notification on the Home Screen (if notifications are enabled) - Marked as a favourite for easier access Some predefined timers are available with the free version of the app. These are not modifiable. Steps within timers can be - Up to 24 hours - Easily reordered (drag and drop) - Duplicated - Run automatically or manually (first step always has to be started manually) - Set up to make sound tone periodically. Running a timer shows - Current step information - Remaining time for the current step - Information for the next step - Progress of the process - Remaining time for the process - Selecting the darkroom color mode The user can select options to - Run the app in light or dark mode - Use the darkroom mode color scheme - Enable sounds (off, essential and all) - Change the color of the timer - Enable / Disable the display of the predefined timers. If you have multiple devices you synchronise your timer definitions between devices using iCloud (if available). In the free version of the app you can add a timer with 5 steps, and there are some predefined timers and a small set of color schemes. In the paid version you can have as many timers as your device allows, each with unto 50 steps, additional predefined timers are available and an expanded range of color schemes.

About

ND Filter EV

Features
Read full description

This is a calculator for photographing using ND (Neutral-density) filters with any number of stops. ND STOPS lets you set the exposure without ND filter in a blue field, and see the result below. EV ALTERNATIVES gives you a dual combo alternatives of ISO, APERTURE and SHUTTER SPEED SWEET SPOTS is not always accurate, but in many cases lenses has its sweet spot at about 40% up on the aperture range. SETTINGS lets you choose which stops you want to see in the ND STOPS PAGE and at what EV (exposure value) interval in all pages. To see more apps like this, go to www.discobajas.com

Screenshots

Film Process Timer4 screens
ND Filter EV4 screens

Verdict

The call

The clearest difference is price: Film Process Timer at Free against ND Filter EV's $0.49. Film Process Timer also leads on update cadence (every 6 weeks vs every 4 months). ND Filter EV's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.0). On ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Film Process Timer is free to download; ND Filter EV costs $0.49 up front. Film Process Timer sells 1 one-off in-app purchase. ND Filter EV asks for nothing beyond the download.

UpkeepUpdate frequency

Film Process Timer ships an update every 6 weeks, ND Filter EV every 4 months. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Film Process Timer versus ND Filter EV: the parameters behind the verdict, then further details
ParameterFilm Process TimerND Filter EV
PriceFree — better$0.49
Rating2.5 (2 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings2 — better—
Update frequencyEvery 6 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size2 MB0 MB
Age rating4+4+
DeveloperAndrzej ZawadzkiStein Erik Nilsen

In-app purchases

1 purchases

Film Process Timer

One-time1
  • Unlock features$3.99
None

ND Filter EV

No in-app purchases

Questions

Is Film Process Timer free?
Film Process Timer is free to download, with in-app purchases available.
Is ND Filter EV free?
ND Filter EV costs $0.49, with no in-app purchases.
Do Film Process Timer or ND Filter EV have ads?
Neither Film Process Timer nor ND Filter EV shows ads.
Which is updated more often, Film Process Timer or ND Filter EV?
Film Process Timer ships an update every 6 weeks, and ND Filter EV every 4 months. Most recently, Film Process Timer was updated on October 12, 2026 and ND Filter EV on October 25, 2026.

Other comparisons