# Over \| Under — exposure value calculator

> Exposure value calculator for photographers and cinematographers. (iPhone/iPad app by Stanislav Bondarenko.)

- Source: https://appshunter.io/ios/app/over-under/id1286572284 (this page in markdown: same URL + `.md`)
- Developer: [Stanislav Bondarenko](https://appshunter.io/developer/1286572283)
- Category: Photo & Video, Productivity
- Price: $2.99
- Rating: 5.00/5 from 7 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.2 · 15 MB
- Languages: English
- Released: 2019-01-17
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/over-under/id1286572284/reviews.md

## What is Over | Under?

Over | Under is a simple and intuitive tool that gives photographers and cinematographers the ability to calculate and compare common photographic exposure parameter values – aperture, shutter speed, shutter angle, frame rate, light sensitivity, and transmittance.

Over | Under was created by working cinematographers for professional image makers, students, and hobbyists alike to help answer the questions that frequently arise on any set:

How much light will I lose if I close the lens aperture down from f/1.8 to f/5.6?

I can't add more light, but I want to maintain the same exposure level I had before I changed the aperture. My shutter was set to 1/2000s of a second; what should it be to compensate for the light loss?

I was shooting video at 24fps with 5 stops of ND in the matte box. I switched to 120fps for a slow motion sequence, and opened the shutter angle to 227º to regain some motion blur. I will be switching to standard speed shortly, and don't want to relight twice. How many stops of ND should I remove to maintain the same exposure level?

Over | Under can answer these and many more questions, in a simple, intuitive interface inspired by an all-familiar aperture ring.

## Key features

- Calculate exposure parameters
- Compare aperture, shutter speed, frame rate
- Light loss calculation
- Exposure compensation
- Intuitive interface

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/over-under/id1286572284/reviews.md

### 5/5 — Must-have cine app

*2019-02-05*

Love using Over Under as a DP, and I’m sure camera assistants will find it useful as well.

It’s great for designing bracketed exposure tests - since finding this app, I haven’t designed a camera test without it! I also find it helpful for calculating fractional exposure changes when I have to use specific shutter angles to compensate for flickering practicals. I especially love that I can calculate cumulative changes across multiple exposure parameters. And unlike many cine apps, this one is intuitively and cleanly designed. 🙏🏽

### 5/5 — Brilliant, so very helpful!!

*2019-02-05*

As a professional cinematographer I love this app, it’s so convenient to have this quick calculating power at your fingertips. Given all the things to think about and consider on set it’s nice to have a quick and easy way to reliably make exposure adjustments. It’s a great and handy tool to have!!

### 5/5 — Useful for ACs

*2019-02-05*

I’m a camera assistant who’s terrible at math so I find this super handy on set

## Frequently asked questions about Over | Under

### What is Over | Under?

Over | Under is a paid app designed to help photographers and cinematographers calculate and compare various photographic exposure parameters. It assists in understanding light loss and compensating for changes in settings.

### Who is Over | Under for?

This app is intended for professional image makers, students, and hobbyists who work with photography and cinematography and need a tool to manage exposure settings.

### What devices does Over | Under support?

Over | Under is available for iPhone and iPad devices.

### How much does Over | Under cost?

Over | Under is a paid application, priced at $2.99.

### Does Over | Under have ads?

No, Over | Under does not contain advertisements.

### What is the age rating for Over | Under?

Over | Under has an age rating of 4+.

### How often is Over | Under updated?

Over | Under was last updated on January 17, 2019, with version Alpha 1.0.

### What are the key features of Over | Under?

Key features include calculating aperture, shutter speed, shutter angle, frame rate, light sensitivity, and transmittance, along with comparing these values and understanding light loss.

## Version history (last 1 release)

### Alpha 1.0 — 2019-01-17

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*