TrueDoF-Intro DoF Calculator

TrueDoF-Intro DoF Calculator

By George Douvos

TrueDoF-Intro is a depth of field calculator for landscape photographers on iOS that accounts for diffraction effects.

The App DNA

What makes this app unique?

It replaces manual estimation with a diffraction-aware algorithm, removing the cognitive cost of calculating sharpness limits in the field.

For Photographers seeking precise depth of field calculations that account for diffraction effects.

What does it look like?

Key features

Diffraction-aware Depth of Field Calculationedge

Calculates depth of field while accounting for diffraction effects to determine image sharpness.

Real-time Output Updatesstandard

Updates calculations instantly as users slide pointers to adjust focus distance and aperture.

Simplified Slider Interfacestandard

Adjusts focus distance and aperture using slide-based controls without requiring constant finger contact.

How much does it cost?

freemiumFree Intro versionPaid Pro version

TrueDoF-Intro acts as a lead-generation tool to drive conversions to the paid Pro version.

Velocity

Dormant developmentUX improvementsplatform expansionShow more...

TrueDoF-Intro DoF Calculator has been inactive for 2,912 days, indicating the project is no longer receiving updates. The development trend is stagnant, with no feature additions or maintenance patches provided in the analyzed history. The app remains in a zombie state, as the last release significantly predates the current window of activity.

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Who built it?

George Douvos

2 apps tracked · Photo & Video

TrueDoF-Pro DoF CalculatorTrueDoF-Pro DoF Calculator
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User Sentiment

What do users think recently?

The recent review mood reads mixed. Users appreciate the concise and logical presentation of depth of field settings aids landscape photographers in planning shots and ad-free experience and clean interface design provide a distraction-free tool for professional photography planning.

How are ratings & reviews evolving?

App Store
3.89 · 9

What users say, by theme

What Users Love
  • The concise and logical presentation of depth of field settings aids landscape photographers in planning shots
  • Ad-free experience and clean interface design provide a distraction-free tool for professional photography planning
What Frustrates Users
  • Technical disagreement regarding diffraction effects leads users to perceive the depth of field calculations as incorrect
+ 1 more theme
What Users Want 2 requests inside

16 of 16 recent reviews analyzed · moderate confidence · Mixed overall

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Competition

Competitive landscape for TrueDoF-Intro DoF Calculator

How's the Photo & Video market?

TrueDoF-Intro occupies a technical niche in the Photo & Video category, relying on a diffraction-aware algorithm to differentiate from standard calculators. The seven-year update gap limits its ability to compete with modern, frequently updated photography tools.

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The rivals identified

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The Analyst's Read

Key takeaways for TrueDoF-Intro DoF Calculator

Where is it heading?

Users report: The photography tool market is consolidating around apps that support high-resolution sensor data, leaving TrueDoF-Intro exposed due to its stagnant development cadence. Addressing the diffraction-math divide is the only path to preventing further sentiment erosion and maintaining its niche authority.

  • The seven-year update gap (last release 2018) signals a maintenance-only state, which risks user churn as modern sensor requirements evolve.
  • The loyal user base among landscape photographers provides a stable, albeit small, foundation that persists despite the lack of recent feature investment.

The SWOT

Core Strengths
  • Diffraction-aware algorithm establishes technical authority
  • Ad-free interface reduces cognitive load during field planning
Critical Frictions 2 weaknesses inside
Growth Levers
  • Manual numeric entry would resolve precision complaints
  • Pixel-size parameters would align with modern sensors
Market Threats 1 threat identified

Next best moves

1 Invest · 1 Pivot

Add user-configurable diffraction settings because users perceive the current math as incorrect → resolve primary sentiment divide

+ 1 more prioritized move

The counter-intuitive read

The app's lack of updates is not a…

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Bottom line

TrueDoF-Intro maintains a technical moat via its diffraction algorithm, but the seven-year update gap risks obsolescence. A pivot to include user-configurable diffraction settings would resolve the primary sentiment divide and stabilize the user base.

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FAQ

Is TrueDoF-Intro accurate for modern digital cameras?
Users report mixed experiences; while the diffraction-aware algorithm is praised for technical depth, some argue it does not accurately reflect modern high-resolution sensor performance, leading to requests for pixel-size parameter integration.
How does TrueDoF-Intro compare to other DoF calculators?
TrueDoF-Intro distinguishes itself by including diffraction effects in its calculations, which is not standard in most calculators. However, it lacks support for macro distances found in some rival tools.
Does TrueDoF-Intro contain advertisements?
No, users frequently highlight the ad-free experience as a primary reason for preferring this tool over other photography calculators.
What is a good alternative for macro photography?
Users suggest looking for calculators that explicitly support macro distance calculations, as TrueDoF-Intro's minimum focus distance is cited as insufficient for specialized close-up workflows.

Sources

  1. [1] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by TrueDoF-Intro DoF Calculator, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “TrueDoF-Intro DoF Calculator Intelligence Report.” Updated Sep 18, 2026. https://marlvel.ai/apps/truedof-intro-dof-calculator

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