f/ Tools

$4.99

2.4

May 1, 2026

Update Date

Age Rating

4+

Apps in this category do not contain restricted content.

9+

Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

About f/ Tools

f/Tools is a set of tools for digital and analog photography.

Explore sensor sharpness, depth of field, print resolution, bokeh size, flash exposure, and more — all in one place.

Designed to help you visually understand complex photographic concepts, with built-in help and a glossary.

Features:

• Graphic depth of field calculator
• Graphic Airy disc calculator
• Graphic format (scene/print) calculator
• Motion freeze calculator
• Graphic blur size calculator
• Graphic flash exposure calculator
• Camera bag with lens limits
• Quick setup with popular camera brands included

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What's New in the Latest Version 2.4

Last updated on May 1, 2026

Old Versions

- Added long-press numeric input for lens, format, and motion controls.
- Sliders are now slower and more precise.
- Speed is shown in km/h or mph based on preferences.
- Bug fixes and improvements in flash calculator.

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Version History

2.4

May 1, 2026

- Added long-press numeric input for lens, format, and motion controls.
- Sliders are now slower and more precise.
- Speed is shown in km/h or mph based on preferences.
- Bug fixes and improvements in flash calculator.

Feedback Report

f/ Tools FAQ

How to download f/ Tools if it’s not available in your country?

Click here to learn how to download f/ Tools in restricted country or region.

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