# LensTutorial vs Photo Friend exposure and DoF

The clearest difference is rating: Photo Friend exposure and DoF at 4.1 against LensTutorial's 2.9. Photo Friend exposure and DoF also leads on review sentiment (89% vs 50%) and update cadence (every 3 months vs every 7 months). LensTutorial's advantage is ads (none vs shown) and device support (3 vs 1). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. LensTutorial sells 4 one-off in-app purchases and Photo Friend exposure and DoF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Photo Friend exposure and DoF holds the better App Store score, 4.1 against 2.9. Both are backed by a comparable volume of ratings — 7 and 9 respectively. Written reviews point the same way: 50% of LensTutorial's written reviews are positive against 89% of Photo Friend exposure and DoF's.

LensTutorial ships an update every 7 months, Photo Friend exposure and DoF every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LensTutorial | Photo Friend exposure and DoF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (7 ratings)](https://appshunter.io/ios/app/lenstutorial/id500543869/reviews) | **[4.1 (9 ratings)](https://appshunter.io/ios/app/photo-friend-exposure-and-dof/id1198327295/reviews)** |
| Number of ratings | 7 | **9** |
| Positive reviews | 50.0% of reviews | **88.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 7 MB | 8 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alf Jorgen Bratane](https://appshunter.io/developer/894390036) | [Elvis Pfutzenreuter](https://appshunter.io/developer/463497848) |

## What reviewers say

### LensTutorial

[App page](https://appshunter.io/ios/app/lenstutorial/id500543869)

Learn photographic lens usage with interactive simulations and calculations. Visualize effects of lens controls and estimate parameters like angle of view and depth of field easily. Supports all modern cameras.

**Highlights:** Interactive lens simulations, Depth of field calculator, Angle of view estimation, 35-mm equivalent calculation, Subject magnification display, Support for modern cameras

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aperture upgrade | $0.99 | one-time |
| Zoom upgrade | $0.99 | one-time |
| Distance upgrade | $0.99 | one-time |
| Built-In lens | $1.99 | one-time |


### Photo Friend exposure and DoF

[App page](https://appshunter.io/ios/app/photo-friend-exposure-and-dof/id1198327295)

This app helps photographers and filmmakers calculate camera exposure, estimate depth-of-field, and function as a light meter using the phone's camera. It offers an intuitive interface for adjusting settings like ISO, shutter speed, and aperture to achieve optimal exposure.

**Highlights:** Intuitive exposure calculator, Light meter with viewfinder, Depth-of-field calculator, Adjustable EV, ISO, shutter speed, aperture, Graphical DoF representation, Histogram and spot metering

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free | $0.99 | one-time |


## Frequently asked questions

### Is LensTutorial free?

LensTutorial is free to download, with in-app purchases available.

### Is Photo Friend exposure and DoF free?

Photo Friend exposure and DoF is free to download, with in-app purchases available.

### Which has better reviews, LensTutorial or Photo Friend exposure and DoF?

Photo Friend exposure and DoF is rated higher. LensTutorial averages 2.9 out of 5 from 7 ratings, while Photo Friend exposure and DoF averages 4.1 from 9 ratings.

### Do LensTutorial or Photo Friend exposure and DoF have ads?

Photo Friend exposure and DoF shows ads; LensTutorial does not.

### Which is updated more often, LensTutorial or Photo Friend exposure and DoF?

LensTutorial ships an update every 7 months, and Photo Friend exposure and DoF every 3 months. Most recently, LensTutorial was updated on October 23, 2026 and Photo Friend exposure and DoF on October 24, 2026.

---

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