# JustEV

> A light meter for film

Canonical page: [https://chrome-stats.com/d/id6770270459](https://chrome-stats.com/d/id6770270459)

## Overview

- **ID:** `id6770270459`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Hiroki Tanaka
- **Category:** Photo & Video
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0
- **Last updated:** 2026-05-21
- **First published:** 2026-05-21
- **Size:** 729 KB
- **Data as of:** 2026-09-20
- **Store listing:** [Apple App Store](https://apps.apple.com/jp/app/justev/id6770270459?l=en-US)
- **Website:** [https://aka-keishin.com/justev/](https://aka-keishin.com/justev/)
- **Privacy policy:** [https://aka-keishin.com/justev/pages/privacy.html](https://aka-keishin.com/justev/pages/privacy.html)

## Description

JustEV is a small EV100 light meter for iPhone. Open from the lock screen, choose your film speed, and read the light at a glance.

JustEV is a simple EV light meter for film photography.
Use your iPhone camera to read the light and see EV100 clearly at a glance. Switch ISO from 25 to 6400 to match your film speed and check exposure values side by side.
Open straight into metering from the Lock Screen accessory widget. When the reading keeps moving, tap to lock the value, then tap again to resume.
JustEV supports reflected metering with the back camera and pseudo-incident readings with the front camera. A small, focused tool for film cameras, classic cameras, and manual exposure.

## Rankings

- #847,798 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6770270459)