0Shot cards · 17 categories
0Challenge themes
0 lessons8-chapter exposure course
0Illustrated glossary terms
0Lighting & posing library

Platform availability

Current access methods and review status for each platform.

Android

3.7.1 update available

The mobile update is ready. Get the Android APK from the official direct link to install it.

iOS

3.7.1 in review

Version 3.7.0 is currently available. iOS 3.7.1 has been submitted and will publish automatically after approval. Open the App Store.

HarmonyOS

Waiting

Waiting for the software copyright certificate. HarmonyOS users can follow the APK + EasyGo instructions above.

WeChat Mini Program

PhotoAssistant WeChat Mini Program QR code

Scan the QR code or search “摄影现场助手-深焦” in WeChat.

Install PhotoAssistant

The Android 3.7.1 hotfix is available from the official direct link, with Quark Drive as a backup. iOS 3.7.0 is live, while 3.7.1 is in review.

Android APK

For Android phones

Download the package and follow the system installation prompt.

Get APK · 3.7.1
Official direct link · Free edition 3.7.1
Quark Drive backup →

iOS App Store

For iPhone / iPad

No signing or sideloading is required — install the latest version directly from the App Store.

Download on the App Store
App Store · Free
Need sideloading? Get the IPA →

APK installation

If Android blocks the install, enable “Allow installation from third-party apps” (or “Install unknown apps”) in Settings. Some devices may require a temporary network disconnect before retrying.

HarmonyOS: install with EasyGo (卓易通)

  1. Download the APK file.
  2. Open File Manager and long-press the APK.
  3. Choose “Open with another app”; EasyGo (卓易通) should launch the installer.

IPA signing

An IPA cannot be installed directly on iPhone. Sign it on a desktop with tools such as 爱思助手 or 全能签, then install it to the device. Re-sign it after the certificate expires.

From Inspiration to Final Shot

Six scenes covering every step — before, during and after the shoot.

Open the Page You Need, When You Need It

More than a set of tools: inspiration, practice, conditions and shoot preparation each have a focused on-site page.

01 / Inspiration

Inspiration & Shot Cards

Find an approach first, then press the shutter. Shot cards bring stance, focal length, aperture, distance, composition and intended look together.

Shot card with focal length and stance guidance
Shot cards: settings and action cues
Environmental portrait composition preview
Composition: subject and environment
02 / Lighting

Lighting & Reference

From Rembrandt lighting to window light, check placement, ratio, focal length and fill guidance directly; poses and creative references are there too.

Rembrandt lighting details
Lighting details: placement, ratio and lens
Portrait lighting reference library
Reference: portrait, lighting and technique
03 / Practice

Practice & Learning

Daily challenges answer “what should I shoot today?” while 44 lessons in 8 chapters and 34 animated demos unpack exposure, depth of field, metering and setting changes.

Daily challenge and achievement progress
Daily challenges: build creative muscle
Exposure lesson and interactive demo
Exposure: understand each setting visually
04 / Conditions

On-site Conditions & Calculations

Moon phase, tide, weather light and golden or blue hour help decide when to leave; depth of field, ND, equivalent focal length and storage settle the settings.

Moon phase calendar
Moon phase: make room for night work
Tide time and calendar
Tide: plan a coastal shoot
05 / Collaboration

Planning & Collaboration

Organise gear, settings, workflow and wrap-up by shooting scenario. Opening, directing and closing talk lines are available on location, too.

Shoot gear and workflow checklist
Checklist: no preparation step left behind
Photography icebreaker talk lines
Talk lines: start and direct naturally

The Whole Shoot, One Screen

Dark viewfinder HUD design language with warm gold scales and monospace readings.

01 / Composition Preview

Parametric Composition

Rule of thirds, leading lines and more — visualized before you press the shutter.

02 / Light Alerts

Golden & Blue Hour

Location-based sunrise, sunset and best shooting windows, with local notifications.

03 / Weather & Light

On-site Light Advice

Combines location and live weather to suggest the best shooting light of the day.

04 / Scene Checklist

Gear & Workflow Checklists

Scenario-based checklists for gear, settings, workflow and wrap-up.

05 / Glossary

81 Illustrated Terms

Composition, exposure, focal length, light, filters and color — with visual demonstrations.

06 / Multi-Platform

Four Platforms

Android, iOS, HarmonyOS and WeChat Mini Program — one consistent viewfinder experience.