---
title: "f/ Tools - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "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 yo"
---

# f/ Tools — United States
> Best photography calculator

![f/ Tools App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/9a/a7/81/9aa78197-8eb2-1569-b744-35c90c025e0c/AppIcon-0-0-1x_U007ephone-0-1-0-85-220.png/434x0w.png)

**Developer:** [Unknown](https://apptail.io/developer/unknown-SSn)
**Category:** Photo Video
**Rating:** 3.7/5 (6 ratings)
**Price:** $3.99
**Bundle ID:** com.dq.lenstools
**Store:** Apple App Store
**Country:** United States
**Version:** 2.7.6 (released 2026-09-26)
**Original Release:** 2013-07-08
**Languages:** English, French, German, Italian, Japanese, Chinese, Spanish

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id668237473)
**AppTail Page:** [https://apptail.io/app/f-tools-wpzb/united-states](https://apptail.io/app/f-tools-wpzb/united-states)

## f/ Tools Description
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

## f/ Tools Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/dc/62/f1/dc62f138-91ba-213b-774f-76b57c6e27f4/Simulator_Screenshot_-_iPhone_17_Pro_-_2026-03-26_at_09.23.35.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/8c/20/fc/8c20fc35-9b52-fad0-4db3-baeba4436baf/Simulator_Screenshot_-_iPhone_17_Pro_-_2026-03-26_at_09.23.56.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/89/5c/96/895c96b7-8163-ec04-97a6-68162c957562/Simulator_Screenshot_-_iPhone_17_Pro_-_2026-03-26_at_09.24.23.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/35/0a/74/350a7417-a6ee-c436-ab61-f8244858b4de/Simulator_Screenshot_-_iPhone_17_Pro_-_2026-03-26_at_11.15.57.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/27/52/85/275285b8-ec26-de0b-b1b7-e6fe7a2740ac/Simulator_Screenshot_-_iPhone_17_Pro_-_2026-03-26_at_11.16.07.png/1242x2688.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/03/2d/38/032d3835-af02-a4ef-5854-43431b3c48bc/Simulator_Screenshot_-_iPhone_17_Pro_-_2026-03-26_at_09.24.55.png/1242x2688.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e0/2e/c3/e02ec3a8-c15a-340a-2057-9a0f1d29978c/Simulator_Screenshot_-_iPhone_17_Pro_-_2026-03-26_at_09.25.32.png/1242x2688.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/96/c2/2e/96c22e31-bc1d-5981-a0a3-539586c8b9d3/Screenshot_20260413_201324.png/1242x2688.png)

## f/ Tools Rating Breakdown in United States
- 5 stars: 3 (50%)
- 4 stars: 0 (0%)
- 3 stars: 2 (33%)
- 2 stars: 0 (0%)
- 1 stars: 1 (17%)



## f/ Tools Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Paid | United States | Photo Video | #124 |
| Top Paid | Czechia | Photo Video | #235 |

## f/ Tools Discovered Keywords
- f/ tools

## Apps Similar to f/ Tools
- [Mark II Artist's Viewfinder](https://apptail.io/app/mark-ii-artists-viewfinder-eZd/united-states)
- [Photographer's Friend](https://apptail.io/app/photographers-friend-vpzb/united-states)
- [Art of Foto](https://apptail.io/app/art-of-foto-Cpzb/united-states)
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- [Massive Dev Chart Timer](https://apptail.io/app/massive-dev-chart-timer-yyed/united-states)
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- [Light Meter by WBPhoto](https://apptail.io/app/light-meter-by-wbphoto-HDbe/united-states)
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## f/ Tools Available In
- [United States](https://apptail.io/app/f-tools-wpzb/united-states)
- [Germany](https://apptail.io/app/f-tools-wpzb/germany)
- [Italy](https://apptail.io/app/f-tools-wpzb/italy)
- [Brazil](https://apptail.io/app/f-tools-wpzb/brazil)
- [China](https://apptail.io/app/f-tools-wpzb/china)
- [Switzerland](https://apptail.io/app/f-tools-wpzb/switzerland)
- [Canada](https://apptail.io/app/f-tools-wpzb/canada)
- [Spain](https://apptail.io/app/f-tools-wpzb/spain)
- [Mexico](https://apptail.io/app/f-tools-wpzb/mexico)
- [Russia](https://apptail.io/app/f-tools-wpzb/russia)
- [France](https://apptail.io/app/f-tools-wpzb/france)
- [Czechia](https://apptail.io/app/f-tools-wpzb/czechia)
- [Argentina](https://apptail.io/app/f-tools-wpzb/argentina)
- [Australia](https://apptail.io/app/f-tools-wpzb/australia)
- [Bulgaria](https://apptail.io/app/f-tools-wpzb/bulgaria)
- [Denmark](https://apptail.io/app/f-tools-wpzb/denmark)
- [Finland](https://apptail.io/app/f-tools-wpzb/finland)
- [United Kingdom](https://apptail.io/app/f-tools-wpzb/united-kingdom)
- [India](https://apptail.io/app/f-tools-wpzb/india)
- [South Korea](https://apptail.io/app/f-tools-wpzb/south-korea)
- [Malaysia](https://apptail.io/app/f-tools-wpzb/malaysia)
- [Netherlands](https://apptail.io/app/f-tools-wpzb/netherlands)
- [New Zealand](https://apptail.io/app/f-tools-wpzb/new-zealand)
- [Peru](https://apptail.io/app/f-tools-wpzb/peru)
- [Poland](https://apptail.io/app/f-tools-wpzb/poland)
- [Sweden](https://apptail.io/app/f-tools-wpzb/sweden)
- [Ukraine](https://apptail.io/app/f-tools-wpzb/ukraine)
- [Singapore](https://apptail.io/app/f-tools-wpzb/singapore)
- [Greece](https://apptail.io/app/f-tools-wpzb/greece)
- [Hong Kong SAR China](https://apptail.io/app/f-tools-wpzb/hong-kong)
- [Hungary](https://apptail.io/app/f-tools-wpzb/hungary)
- [Indonesia](https://apptail.io/app/f-tools-wpzb/indonesia)
- [Ireland](https://apptail.io/app/f-tools-wpzb/ireland)
- [Israel](https://apptail.io/app/f-tools-wpzb/israel)
- [Slovakia](https://apptail.io/app/f-tools-wpzb/slovakia)
- [Belgium](https://apptail.io/app/f-tools-wpzb/belgium)
- [Japan](https://apptail.io/app/f-tools-wpzb/japan)
- [Thailand](https://apptail.io/app/f-tools-wpzb/thailand)
- [Kuwait](https://apptail.io/app/f-tools-wpzb/kuwait)
- [Kazakhstan](https://apptail.io/app/f-tools-wpzb/kazakhstan)
- [Lebanon](https://apptail.io/app/f-tools-wpzb/lebanon)
- [Luxembourg](https://apptail.io/app/f-tools-wpzb/luxembourg)
- [North Macedonia](https://apptail.io/app/f-tools-wpzb/north-macedonia)
- [Mauritius](https://apptail.io/app/f-tools-wpzb/mauritius)
- [Azerbaijan](https://apptail.io/app/f-tools-wpzb/azerbaijan)
- [Türkiye](https://apptail.io/app/f-tools-wpzb/turkey)
- [Nigeria](https://apptail.io/app/f-tools-wpzb/nigeria)
- [Taiwan](https://apptail.io/app/f-tools-wpzb/taiwan)
- [Norway](https://apptail.io/app/f-tools-wpzb/norway)
- [South Africa](https://apptail.io/app/f-tools-wpzb/south-africa)
- [Armenia](https://apptail.io/app/f-tools-wpzb/armenia)
- [Philippines](https://apptail.io/app/f-tools-wpzb/philippines)
- [Pakistan](https://apptail.io/app/f-tools-wpzb/pakistan)
- [Uzbekistan](https://apptail.io/app/f-tools-wpzb/uzbekistan)
- [Portugal](https://apptail.io/app/f-tools-wpzb/portugal)
- [Romania](https://apptail.io/app/f-tools-wpzb/romania)
- [Austria](https://apptail.io/app/f-tools-wpzb/austria)
- [Cyprus](https://apptail.io/app/f-tools-wpzb/cyprus)
- [United Arab Emirates](https://apptail.io/app/f-tools-wpzb/united-arab-emirates)
- [Colombia](https://apptail.io/app/f-tools-wpzb/colombia)
- [Saudi Arabia](https://apptail.io/app/f-tools-wpzb/saudi-arabia)
- [Dominican Republic](https://apptail.io/app/f-tools-wpzb/dominican-republic)
- [Algeria](https://apptail.io/app/f-tools-wpzb/algeria)
- [Ecuador](https://apptail.io/app/f-tools-wpzb/ecuador)
- [Estonia](https://apptail.io/app/f-tools-wpzb/estonia)
- [Egypt](https://apptail.io/app/f-tools-wpzb/egypt)
- [Chile](https://apptail.io/app/f-tools-wpzb/chile)
- [Vietnam](https://apptail.io/app/f-tools-wpzb/vietnam)
- [Belarus](https://apptail.io/app/f-tools-wpzb/belarus)

---

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