DoF Calculator is a photography utility for calculating depth of field and hyperfocal distance on iOS.
The App DNA
What makes this app unique?
It removes the cognitive friction of manual optical calculations for photographers preparing for specific print or high-resolution display outputs.
For Photographers requiring precise depth of field calculations for specific print or display output conditions.
What does it look like?
Key features
Calculates near and far depth of field based on sensor format, aperture, focal length, and focus distance.
Automatically computes optimal focus distance for current camera settings.
Allows custom input of circle of confusion values for specific print sizes or high-resolution display requirements.
How much does it cost?
The app is currently offered as a free utility without visible subscription or in-app purchase gates.
Velocity
Maintenance developmentinternationalizationUX improvementsShow more...
With only one release in the last 207 days, the app is currently in a maintenance phase. The latest version provided minor internationalization updates, but no new features or content have been introduced since. Development momentum is stagnant, and there are no indications of active live-ops or feature expansion at this time.
Who built it?
永晓 邵
4 apps tracked · Photo & Video
Landscape photography Helper
LandscapePhotographyHelper Pro
Heliora: Sun Path TrackerUser Sentiment
What do users think recently?
Recent user voice shows a thrilled sentiment. Users appreciate the simple and accessible user interface allows for immediate engagement without a steep learning curve.
How are ratings & reviews evolving?
What users say, by theme
- The simple and accessible user interface allows for immediate engagement without a steep learning curve
1 of 1 recent reviews analyzed · limited sample
Read the full review analysisCompetition
Competitive landscape for DoF Calculator
How's the Photo & Video market?
DoF Calculator maintains a 4.67-star rating across 33 ratings on iOS. The free-to-use model without in-app purchases differentiates it from category rivals that gate advanced optical settings behind subscription tiers.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for DoF Calculator
Where is it heading?
The photography utility market is consolidating around apps that offer community-sharing and cloud-sync features, which DoF Calculator currently lacks. Maintaining a stable, free-to-use tool without monetization pressure allows it to retain its niche audience, provided the core calculation logic remains accurate for modern sensor formats.
- The latest update focused on translation refinements, confirming a maintenance-only cadence that avoids feature expansion but preserves existing utility.
- High user satisfaction with the current interface suggests the core utility meets the needs of the target audience without requiring frequent changes.
The SWOT
- Manual circle of confusion adjustment provides a technical edge for print-focused users.
- Localized terminology refinements could support expansion into non-English speaking photography markets.
Next best moves
Audit UI for accessibility improvements because the clean interface is the top-cited praise → maintain 4.67-star rating baseline
The counter-intuitive read
The app's lack of monetization is its primary defensive barrier…
Read the full takeSince the last report: The competitive narrative shifted from viewing the app's maintenance-mode status as a vulnerability to framing its free-to-use model as a defensive barrier against paid competitors. No functional or pricing changes occurred, as the app remains in a 7-month update dormancy.
Bottom line
DoF Calculator serves a stable, niche audience through its specialized manual controls, but the current maintenance-only cadence risks obsolescence as rivals iterate on community-driven features.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is DoF Calculator free to use?
Does DoF Calculator support custom circle of confusion values?
Is DoF Calculator suitable for professional photography?
Sources
- [1] App Store, source
Report last updated