# enLARGE — Enlarger Exposure Computer

> Darkroom photography exposure calculator for film enlargements. (iPhone/iPad app by Andrew Wittner.)

- Source: https://appshunter.io/ios/app/enlarge/id1245614609 (this page in markdown: same URL + `.md`)
- Developer: [Andrew Wittner](https://appshunter.io/developer/1245614608)
- Category: Photo & Video, Productivity
- Price: $19.99
- Rating: 5.00/5 from 2 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 8 MB
- Languages: American English
- Released: 2017-06-15
- Data updated: 2026-06-02
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/enlarge/id1245614609/reviews.md

## What is enLARGE?

Do you shoot your own black & white or colour films and then enlarge the resulting negatives in a traditional enlarger-equipped darkroom?

If you do, then you’ll know that you can make some excellent looking enlargements relatively cheaply. But you’ll also know how inefficient, time consuming and wasteful the enlarging process can be.

The problem comes with all the testing that you need to do.  Normally you’ll make one or more test strips, and/or whole stepped test prints, and you’ll typically generate one or more failed, imperfect enlargements, all of which are wasteful of your time, print paper and processing chemistry, and the wastage becomes greater as the enlargement size increases.

What can you do about it? The nature of the enlarging process is that you need to test your enlargements before you print them. But now using enLARGE, you can make all your test and work prints as small, cheap, quick-to-produce whole frame enlargements, in tiny sizes such as matchbox, credit card, wallet and postcard - or at any other small size/s you like above 1X magnification. Then, using enLARGE, you can quickly and easily compute the exposure time/s needed to expose any perfectly matching larger enlargement/s, thus from the same negative, and in this way you can produce the larger enlargement/s without incurring any wastage of time or materials at their larger size/s. So with enLARGE you can ‘test small’ and then ‘print larger’, and save time and money in doing so. You’ll find that you can make better looking larger enlargements by being able to first accurately preview them as small conveniently sized whole-frame prints.

And there’s more. This same functionality also lets you easily and quickly print whole sets of variously sized perfectly matching enlargements from the one negative, instead of just enlarging to one predetermined size only. This means you can now easily make perfectly matched differently sized enlargements to suit different uses and users. You won’t need to make any additional tests, or waste any time or materials, in producing them.

enLARGE also provides 3 other features which are useful to your enlarging process. First, it carries and computes as many as four separate dodge & burn values, and shows you their required exposure times for the current enlargement. Second, it automatically computes a secondary, customisable dry-down exposure time which compensates for your print paper’s dry-down characteristic. And third, it helps you to manage split exposure times, in which a long single exposure time is broken down into a sequence of two or more shorter split exposures. These shorter exposures typically produce a print which is slightly lighter than one which is made using the single longer exposure, so enLARGE automatically lengthens its shorter computed times to compensate. 

How does enLARGE work? Is it just a fancy, overpriced enlargement magnification computer? No, it isn’t! Simply computing an exposure change based on a magnification change alone isn’t enough for truly accurate exposure-change forecasting. Instead, during a unique calibration process which you carry out in your darkroom using enLARGE with your enlarger, enLARGE records the unique exposure curve of your enlarger - being its relative projection brightness at different magnifications - and it then uses this data to make the most perfectly accurate exposure forecasts for all enlargements made above 1X using the tested equipment. enLARGE works with condenser, diffusion, dichroic, multigrade, cold-light grid and LED panel enlargers, of all formats, and with enlarging lenses of all focal lengths including wide-angle lenses. It works with all types of contrast filtration control and with split-grade printing. Please visit our official blogspot for the most in-depth technical info!

Save time and money when enlarging. Make perfectly matching better looking enlargements in all the sizes you like. With enLARGE.

## Key features

- Calculate exposure times for enlargements
- Test small, print larger workflow
- Compute multiple dodge & burn values
- Automatic dry-down exposure compensation
- Manage split exposure times
- Print perfectly matched, variously sized enlargements

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/enlarge/id1245614609/reviews.md

### 5/5 — It reproduces the same tonal results in any print size!

*2025-01-14*

This app is amazing! Thank you to the developer!!!! The time consuming part is initial calibration. After that it is smooth sailing. You make a small test print with all the contrast dodging and burning decisions made there, without wasting much paper or or dark room chemistry.  
Then you you raise enlarger head to the height appropriate for your enlargement. You measure the distance from photo paper to the negative. Then the appngives you enlargement times. The most amazing part is that it produces the same shades of blacks, whites and grays at any size. 
This saves paper and time! If you like working in darkroom, then this app is must have!

### 5/5 — Saves time and money in the darkroom

*2024-11-21*

Used to waste heaps of time, paper and processing chems making enlargements, now I waste little, good app

### 3/5 — Saves time and money in the darkroom

*2024-11-14*

Used to waste heaps of paper making enlargements, now I waste little, good app

### 5/5 — Saves time and materials in the darkroom

*2019-05-07*

I used to waste heaps of time, photo paper and print processing chemistry when making larger enlargements. Now with enLARGE I make tiny perfect wallet-size pilot prints and then use enLARGE to compute the exposure times required to make larger prints. Super accurate and can be used with split-grade printing too.

## Frequently asked questions about enLARGE

### How does enLARGE help save materials?

enLARGE allows you to create small, inexpensive test prints to determine the correct exposure. This 'test small, print larger' approach eliminates the need for wasteful large test prints, saving on paper and chemicals.

### What is the price of enLARGE?

enLARGE is a paid application priced at $19.99.

### Does enLARGE have ads?

No, enLARGE does not contain advertisements.

### What devices does enLARGE support?

enLARGE is compatible with iPhone, iPad, and iPod devices.

### How often is enLARGE updated?

The latest version, 1.7.1, was released on February 13, 2024, indicating regular updates to the application.

### Can enLARGE help with dodging and burning?

Yes, enLARGE can compute up to four separate dodge and burn values, showing their required exposure times for the current enlargement.

### Does enLARGE account for paper dry-down?

Yes, enLARGE automatically computes a secondary, customizable dry-down exposure time to compensate for the characteristic changes in print paper when it dries.

### What is the age rating for enLARGE?

enLARGE has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 5 releases)

### 1.7.1 — 2024-02-13

Support for latest iOS and Phones.

### 1.7.0 — 2020-10-04

Update of user info. Bug fix in Paper Profile computation.

### 1.5.8 — 2019-07-30

New enLARGE works with enlarging lenses of all focal lengths and at all magnifications above 1X

### 1.5 — 2019-05-07

New enLARGE computes equivalent exposure times for all enlargements made above 1X, thus at the same size as the source negative and larger, and with enlarging lenses of all focal lengths including 25, 28, 35, 40, 50, 60, 75, 80, 90, 100, 105, 120, 135, 150, 180, 210, 240, 300, 360 and 480 mm.

### 1.4 — 2018-09-20

Optimised for enlargement magnifications above 2X and enlarging lens focal lengths 28-105mm.

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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 2026-06-02.*
