LensTutorial vs DOF Slider
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LensTutorial
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.
- Interactive lens simulations
- Depth of field calculator
- Angle of view estimation
- 35-mm equivalent calculation
- Subject magnification display
- Support for modern cameras
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LensTutorial is about learning to use photographic lenses the easy way. The app wraps all lens calculations into one package and allows you to quickly see them in action. Learning photography can be easy and we encourage you to use our app to facilitate this process. LensTutorial allows to simulate photographic lens usage and display effects of lens controls manipulation. The app combines both visual and interactive way of representing information with classic DOF calculator functionality. It allows to quickly estimate and visualize the following parameters on one screen: Angle of view Total depth of field Near range of depth Far range of depth 35-mm equivalent of focal length Subject magnification All modern cameras of various makers supported.
DOF Slider
This app calculates depth of field for photography. Select your camera, distance, aperture, and lens using intuitive sliders to instantly see your perfect shot settings. Supports metric and imperial units, a wide range of apertures, focal lengths, and hundreds of camera models.
- Extensive camera model selection
- Adjustable distance, aperture, and lens sliders
- Instant depth of field calculations
- Metric and imperial unit support
- Wide aperture and focal length range
- Customization via in-app purchases
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Choose your camera, then adjust subject distance, aperture and focal length with three horizontal sliders. DOF Slider calculates near and far focus limits, total depth of field and hyperfocal distance as you adjust your shot. Use metric or imperial units and browse a catalog of modern, vintage and film cameras with their circle of confusion values. Free camera profiles are included. Optional in-app purchases unlock additional camera packs and macro, telephoto and extended distance ranges. Restore existing purchases from settings. No ads. No sign-in required.
Screenshots
Verdict
The clearest difference is rating: DOF Slider at 3.6 against LensTutorial's 2.9. DOF Slider also leads on update cadence (every 4 weeks vs every 7 months) and ratings volume (21 vs 7). LensTutorial's advantage is iOS requirement (10.0 vs 15.0). On price, review sentiment, ads and in-app purchases 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
Both are free to download. LensTutorial sells 4 one-off in-app purchases and DOF Slider sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
DOF Slider holds the better App Store score, 3.6 against 2.9. Both are backed by a comparable volume of ratings — 7 and 21 respectively. Written reviews complicate that: 50% of LensTutorial's written reviews are positive against 47% of DOF Slider's, so the app with the better star average is not the one people write more warmly about.
LensTutorial ships an update every 7 months, DOF Slider every 4 weeks. The most recent releases landed on September 10, 2026 and October 8, 2026 respectively.
| Parameter | LensTutorial | DOF Slider |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (7 ratings) | 3.6 (21 ratings) — better |
| Positive reviews | 50.0% of reviews — better | 47.2% of reviews |
| Number of ratings | 7 | 21 — better |
| Update frequency | Every 7 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Alf Jorgen Bratane | Mihai alexandru Bold |
Customer experience
LensTutorial
DOF Slider
In-app purchases
LensTutorial
- Aperture upgrade$0.99
- Zoom upgrade$0.99
- Distance upgrade$0.99
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- Built-In lens$1.99
DOF Slider
- Kill the ads$0.99
- Canon 5D series$0.99
- Canon 6D series$0.99
Show 10 moreShow fewer
- Fujifilm X1 series$0.99
- Macro Distances$0.99
- Fujifilm XT series$1.99
- Leica M series$1.99
- Nikon D700 pack$1.99
- Nikon D800 series$1.99
- Sony A7 series$1.99
- Nikon D7000 series$1.99
- Canon EOS R$2.99
- Nikon Z Pack$2.99
Questions
Is LensTutorial free?
Is DOF Slider free?
Which has better reviews, LensTutorial or DOF Slider?
Do LensTutorial or DOF Slider have ads?
Which is updated more often, LensTutorial or DOF Slider?
Other comparisons
