---
title: "Silverlog Flash - Reviews, Revenue and Downloads in Australia | Apple App Store"
description: "Silverlog Flash calculates flash exposure using guide numbers — the fundamental relationship between flash power, distance and aperture.  HOW IT WORKS Choose what to solve for and enter the other two "
---

# Silverlog Flash — Australia
> Flash Guide Number Calculator

![Silverlog Flash App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/88/01/3b/88013b44-e502-badd-3005-39f6ac5502e8/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Simon Westgate](https://apptail.io/developer/simon-westgate-tDomgc)
**Category:** Photo Video
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** app.silverlog.flash
**Store:** Apple App Store
**Country:** Australia
**Version:** 1.2.1 (released 2026-09-29)
**Original Release:** 2026-03-18
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/au/app/app/id6757318928)
**AppTail Page:** [https://apptail.io/app/silverlog-flash-ggtA/australia](https://apptail.io/app/silverlog-flash-ggtA/australia)

## Silverlog Flash Description
Silverlog Flash calculates flash exposure using guide numbers — the fundamental relationship between flash power, distance and aperture.

HOW IT WORKS
Choose what to solve for and enter the other two values. Find the aperture for a given flash-to-subject distance, the maximum distance for a given aperture, or the guide number from a known distance and aperture. Adjust ISO to see how sensitivity affects your working range.

FEATURES
• Guide number to aperture calculation
• Guide number to maximum distance calculation
• Guide number from distance and aperture
• ISO adjustment
• Metric and imperial distance units
• Works offline — no internet connection needed
• Clean, focused interface
• Dark mode support

USEFUL FOR
• Manual flash photography without TTL
• Working out flash-to-subject distance for off-camera flash
• Understanding your flash's effective range at different apertures
• Film photographers using manual flash units

Part of the Silverlog photography toolkit. No account required. No data collected.

## Silverlog Flash Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/21/22/d4/2122d447-392c-0fb3-275d-7aa88dca2ca8/01_iPhone67_screenshot-main.png/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d2/03/f4/d203f4c8-4500-98bd-506e-7b447d51d6cb/01_iPhone67_screenshot-settings.png/1320x2868.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/8d/d2/67/8dd2675e-edc9-dc4d-de69-e1b1584ed86b/03_iPhone67_dark_screenshot-main.png/1320x2868.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/60/7b/2f/607b2f6c-e4c4-8085-78c8-40a60144d1d2/03_iPhone67_dark_screenshot-settings.png/1320x2868.png)



## Silverlog Flash In-App Purchases
| Item | Price |
|------|-------|
| Guardian Angel | $14.99 |
| Legend | $4.99 |
| Actual Saint | $49.99 |
| Absolute Hero | $7.99 |
| Nice One | $1.99 |



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## Silverlog Flash Available In
- [Argentina](https://apptail.io/app/silverlog-flash-ggtA/argentina)
- [Australia](https://apptail.io/app/silverlog-flash-ggtA/australia)
- [Barbados](https://apptail.io/app/silverlog-flash-ggtA/barbados)
- [Germany](https://apptail.io/app/silverlog-flash-ggtA/germany)
- [United Kingdom](https://apptail.io/app/silverlog-flash-ggtA/united-kingdom)
- [Israel](https://apptail.io/app/silverlog-flash-ggtA/israel)
- [Iceland](https://apptail.io/app/silverlog-flash-ggtA/iceland)
- [Malta](https://apptail.io/app/silverlog-flash-ggtA/malta)
- [Mexico](https://apptail.io/app/silverlog-flash-ggtA/mexico)
- [Netherlands](https://apptail.io/app/silverlog-flash-ggtA/netherlands)
- [Norway](https://apptail.io/app/silverlog-flash-ggtA/norway)
- [Russia](https://apptail.io/app/silverlog-flash-ggtA/russia)
- [United States](https://apptail.io/app/silverlog-flash-ggtA/united-states)

---

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