# ND+Timer vs Photography Essentials Calc

The clearest difference is update cadence: Photography Essentials Calc at every 4 days against ND+Timer's every 2 months. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. ND+Timer sells 1 one-off in-app purchase and Photography Essentials Calc sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ND+Timer ships an update every 2 months, Photography Essentials Calc every 4 days. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | ND+Timer | Photography Essentials Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/photography-essentials-calc/id6504422644/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 6 MB |
| Requires iOS | **15.6** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tobias Ullerich](https://appshunter.io/developer/1475365559) | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) |

## What reviewers say

### ND+Timer

[App page](https://appshunter.io/ios/app/nd-plus-timer/id1534477340)

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.

**Highlights:** 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)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ND+Timer Pro | $1.99 | one-time |


### Photography Essentials Calc

[App page](https://appshunter.io/ios/app/photography-essentials-calc/id6504422644)

This app offers a suite of photography calculators to help users achieve perfect shots. It assists with technical aspects like depth of field, focal length, and exposure, catering to both beginners and professionals.

**Highlights:** Timelapse Calculator, 500 Rule Calculator, Depth of Field (DoF) Calculator, Required Focal Length Calculator, Diffraction Limit Calculator, Magnification Calculator

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version / monthly | $0.99 | per month |
| Full version / monthly | $3.99 | per year |
| Remove ADS | $5.99 | one-time |


## Frequently asked questions

### Is ND+Timer free?

ND+Timer is free to download, with in-app purchases available.

### Is Photography Essentials Calc free?

Photography Essentials Calc is free to download, with in-app purchases available.

### Do ND+Timer or Photography Essentials Calc have ads?

Neither ND+Timer nor Photography Essentials Calc shows ads.

### Which is updated more often, ND+Timer or Photography Essentials Calc?

ND+Timer ships an update every 2 months, and Photography Essentials Calc every 4 days. Most recently, ND+Timer was updated on September 20, 2026 and Photography Essentials Calc on September 15, 2026.

---

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