Comparison

DoF plus HD vs ND Slow Shutter

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

Head to head
About

DoF plus HD

This app helps digital camera owners calculate depth of field, hyperfocal distance, and field of view. It allows customization for specific camera models, focal lenses, and apertures to optimize image sharpness for various shooting scenarios.

Highlights
  • Depth of Field (DoF) calculation
  • Hyperfocal distance (HyF) calculation
  • Field of View (FoV) calculation
  • Customizable camera models
  • Customizable focal lenses
  • Customizable apertures
Features
Read full description

DoF plus HD is a "must have" application for all digital camera owners. DoF plus HD will answer questions like: - how to ensure that model face will be sharp when shot at 5m? - which focal lens I must be use when shooting a person at 10m? a small bird at 50m? - how to maximize image sharpness when shooting landscapes? DoF plus HD is highly customizable: - select your camera models. Computations will take into account camera specifications. - define your own list of focal lenses from a list. - define your own list of apertures from a list. DoF plus HD provides following features: DoF (depth of field) Set focal lens, f/stop and focus distance. Near and far focus distances will be computed automatically HyF (hyperfocal) Set focal lens and f/stop. Hyperfocal distance will be computed automatically. Note: when you focus at hyperfocal distance, image will be sharp from half this distance to infinity. FoV (field of view) Set focal lens and focus distance. Field of view (width and height) will be computed automatically.

About

ND Slow Shutter

Features
Read full description

Master Long Exposure Photography with Ease ND Slow Shutter helps you calculate the perfect shutter speed when using Neutral Density (ND) filters—so you can focus on creativity, not math. Key Features • Instant Calculations — Enter your base exposure and ND filter strength (ND1–ND20) to get precise results in seconds • Built-in Timer — Stay in control during long exposures with an optional countdown timer • Simple & Intuitive — Clean, fast interface designed for photographers of all levels • Apple Watch Support — Control your exposures and timer directly from your wrist (Premium) Why ND Slow Shutter? • Accurate Results — Reliable calculations you can trust in the field • Faster Workflow — No guesswork, no manual conversions • Shoot with Confidence — Focus on composition while the app handles the math Whether you’re capturing silky waterfalls, smooth seascapes, or motion blur, ND Slow Shutter gives you the precision and control you need. Download now and elevate your long exposure photography.

Screenshots

ND Slow Shutter4 screens

Verdict

The call

The clearest difference is price: ND Slow Shutter at Free against DoF plus HD's $0.99. ND Slow Shutter also leads on update cadence (every 3 weeks vs every 21 months) and device support (3 vs 1). DoF plus HD's advantage is in-app purchases (none vs 1) and ads (none vs shown).

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

ND Slow Shutter is free to download; DoF plus HD costs $0.99 up front. ND Slow Shutter sells 1 one-off in-app purchase. DoF plus HD asks for nothing beyond the download.

UpkeepUpdate frequency

DoF plus HD ships an update every 21 months, ND Slow Shutter every 3 weeks. The most recent releases landed on October 1, 2026 and October 28, 2026 respectively.

Scorecard6 real differences · 4 level
DoF plus HD versus ND Slow Shutter: the parameters behind the verdict, then further details
ParameterDoF plus HDND Slow Shutter
Price$0.99Free — better
Rating4.0 (1 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 21 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPadiPhone, iPad, Apple Watch — better
Requires iOS12.0 — better17.6
Further details — not scored
Size2 MB22 MB
Age rating4+4+
DeveloperJean-Christoph KAISERFrancesco Foianesi

In-app purchases

None

DoF plus HD

No in-app purchases

1 purchases

ND Slow Shutter

One-time1
  • Premium Version$2.99

Questions

Is DoF plus HD free?
DoF plus HD costs $0.99, with no in-app purchases.
Is ND Slow Shutter free?
ND Slow Shutter is free to download, with in-app purchases available.
Do DoF plus HD or ND Slow Shutter have ads?
ND Slow Shutter shows ads; DoF plus HD does not.
Which is updated more often, DoF plus HD or ND Slow Shutter?
DoF plus HD ships an update every 21 months, and ND Slow Shutter every 3 weeks. Most recently, DoF plus HD was updated on October 1, 2026 and ND Slow Shutter on October 28, 2026.

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