# DoF plus HD vs ND Slow Shutter

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).

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.

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.

## The numbers

| Metric | DoF plus HD | ND Slow Shutter |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/dof-plus-hd/id497262156/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 2 MB | 22 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Jean-Christoph KAISER](https://appshunter.io/developer/309381304) | [Francesco Foianesi](https://appshunter.io/developer/1817962841) |

## What reviewers say

### DoF plus HD

[App page](https://appshunter.io/ios/app/dof-plus-hd/id497262156)

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:** macOS Compatibility

**In-app purchases:** none


### ND Slow Shutter

[App page](https://appshunter.io/ios/app/nd-slow-shutter/id6747008686)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $2.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*