露出計EX vs Dark Preview Camera
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
露出計EX
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くろねこ研究所 Kuroneko Lab. フィルムカメラを簡単に利用するためのシンプルな露出計です コピー機能にアプリ連携を追加しました、メモ帳などに簡単にメモできます 使い方 左のラベルが絞り値(F値)です 右のラベルがシャッタースピード(SS)です 中央は、AV-絞り優先か、TV-シャッタースピード優先かを選択します AV/TVのラベルをタップすると切り替わります An exposure meter ex made for easy use of film cameras. How to use The label on the left is the aperture value (F number) The label on the right is Shutter Speed (SS). In the center, select AV-Aperture priority or TV-Shutter speed priority. Tap the AV/TV label. ISOをタップして変更します 画面を縦にスワイプすると絞り値やシャッタースピードを変更できます 画面をタップするとその位置の露出を計測しロックします もう一度タップすると標準の露出計測に戻ります スポット測光のように使えます AV/TVのStepを1段か1/2段かを選択できます ISOのStepを1段、1/2段、または1/3段に変更できます EVの表示は、ISO100の時のEV値を表示します 機種により測定できる最低の照度が変わります 機種の特性により誤差が出ますがごく小さいため大きな影響はありません Tap the ISO to change. Swipe vertically to change aperture value and shutter speed. Tap the screen to measure the exposure at that position and lock it. Tap again to return to standard exposure measurement. Can be used like spot metering. You can change the AV / TV Step to 1 step or 1/2 step. ISO Step can be changed to 1 step, 1/2 step, or 1/3 step. The minimum illuminance that can be measured varies depending on the model. There will be an error depending on the characteristics of the model, but it will not have a big effect because it is very small. フッターにあるコピー(C)ボタンで、露出情報やサムネイルをクリップボードにコピーできます メモ帳などに貼り付けることができるので活用してください You can copy exposure information and thumbnails to the clipboard with the copy button in the footer. You can paste it on a memo pad, etc. 絞り値やSSを変更するボタンを追加しました ボタンを使用するかどうかをSettingsから選択してください
Dark Preview Camera
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Dark Preview Camera is a camera app designed to let you take photos and videos while keeping your screen brightness low. At night or in dark environments, your iPhone display can feel surprisingly bright. With Dark Preview Camera, you can reduce the screen brightness while using the camera, helping you keep the light from your display to a minimum while taking photos or recording videos. Screen brightness can be adjusted to suit your surroundings. [Simple Shooting Controls] Just tap the screen to start shooting. When you’re finished, double-tap the screen to stop. Simple controls make it easy to start and stop shooting in the dark. On iPhone models that support Camera Control, you can also use Camera Control to shoot without having to interact with the screen as much. [Main Features] * Shoot while keeping screen brightness low * Adjustable screen brightness * Tap the screen to shoot * Double-tap to stop shooting * Shoot using Camera Control * Photo and video capture * Front and rear camera switching * Zoom * Grid display * Level * Save location information with photos Ideal for nighttime, dark rooms, or anywhere you want to minimize the light coming from your screen.
Screenshots
Verdict
The clearest difference is price: Dark Preview Camera at $1.99 against 露出計EX's $2.99. 露出計EX's advantage is iOS requirement (12.4 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
露出計EX costs $2.99 and Dark Preview Camera $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.
| Parameter | 露出計EX | Dark Preview Camera |
|---|---|---|
| Price | $2.99 | $1.99 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.4 — better | 16.0 |
| Further details — not scored | ||
| Size | 5 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | takayuki atsumi | Kouichi INAFUKU |
In-app purchases
露出計EX
No in-app purchases
Dark Preview Camera
No in-app purchases









