Émulsion vs Image Junky
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Émulsion
This app helps photographers meticulously track their film rolls. Log details like film type, camera, and location to organize your photography projects.
- Track film rolls
- Log film type
- Record camera used
- Note location
- Organize projects
Read full descriptionHide full description
Keep track of your rolls of film
Image Junky
This app transforms your iPhone into a parallax-corrected viewfinder for any camera. It calculates image adjustments based on lens offsets and provides LiDAR distance measurement for accurate focusing. It also functions as a customizable director's viewfinder with custom camera and lens creation.
- Parallax corrected viewfinder
- LiDAR distance measurement
- Customizable director's viewfinder
- Create custom cameras and lenses
- Instant opening and easy control
- Works on iPad
Read full descriptionHide full description
Image Junky transforms your camera-mounted iPhone into a parallax corrected viewfinder for any camera or format. Mount your iPhone on your main camera and use it as a live view finder! Enter the offset distances of the iPhone lens from your main camera lens and the app does the math, adjusting the image to keep your compositions accurate. You also get tap to measure LiDar distance information for easy focusing. There are no other apps that have these features. Check out the instruction page for more information on how to mount the iPhone and measure the offsets. Create your own mount or reach out to imagejunkyinfo@gmail.com to buy custom iPhone to camera flash shoe camera mounts. Image Junky also works as a customizable director's viewfinder that isn't slowed down by unnecessary menus and databases of cameras and lenses we don't need. Create and name your custom cameras by entering their sensor or film back dimensions then enter your custom lens focal lengths and you're ready to go. Access any of your custom cameras or lens sets with one tap or use the one tap for "zoom" mode for the ultimate framing flexibility. Image Junky opens instantly, is easy to control, and is ready for to show you the shot right now! Works on iPads as well.
Screenshots
Verdict
The clearest difference is price: Émulsion at Free against Image Junky's $7.99. Image Junky's advantage is review sentiment (100% vs 67%) and rating (5.0 vs 4.6). On ratings volume, ads, in-app purchases and iOS requirement 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
Émulsion is free to download; Image Junky costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Image Junky holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews point the same way: 67% of Émulsion's written reviews are positive against 100% of Image Junky's.
Émulsion ships an update every 2 months, Image Junky fortnightly. The most recent releases landed on July 7, 2026 and September 4, 2026 respectively.
| Parameter | Émulsion | Image Junky |
|---|---|---|
| Price | Free — better | $7.99 |
| Rating | 4.6 (7 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 — better | 4 |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | William Bout | Vendler Industries |
Customer experience
Émulsion
Image Junky
In-app purchases
Émulsion
No in-app purchases
Image Junky
No in-app purchases
