Zotro vs Knurl Camera
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zotro
This app helps you capture aligned photo sequences using custom shape guides and real-time alignment assistance. It's designed for photographers and content creators to easily tell stories or showcase processes with precision.
- Sequence photography
- Custom shape guides
- Real-time alignment assistance
- Auto-zoom
- Auto-capture
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Zotro isn’t just another camera app; it’s a powerful tool designed to elevate your photography. With its unique shape guide feature, you can create sequences of photos that tell a story, capture a process, or simply showcase your creativity in a new and aligned way. It’s perfect for professional photographers, content creators, and anyone passionate about photography. Features: Sequence Photography Made Simple: Zotro simplifies the process of taking multiple photos in a sequence, making it easy to achieve professional results without the hassle. Custom Shape Guides: Customize your shape guide to ensure your photo sequences are aligned with precision. Real-Time Alignment Assistance: Get real-time feedback on the alignment of your shots with our intuitive interface. This feature helps you adjust your position and angle to match the custom guide perfectly. Auto-Zoom & Auto-Capture: Utilize Zotro's auto-zoom feature to align your subject perfectly within the custom shape guide. Plus, with auto-capture, Zotro automatically takes the photo when it detects the subject, ensuring effortless precision and timing in your sequences. Privacy Policy: http://paool.com/zotro-privacypolicy Terms of Use: http://www.apple.com/legal/itunes/appstore/dev/stdeula
Knurl Camera
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Knurl is a camera for people who would rather develop the photo themselves. It captures true Bayer RAW: the sensor's own mosaic, written straight to a DNG with none of the computational photography that normally happens on the way. No multi-frame fusion, no tone curve, no sharpening. What lands in your library is undeveloped data with all of its latitude intact, ready for Lightroom or Photos to interpret however you like. THE CONTROLS ARE THE POINT A mode wheel you turn, with the real designations: P for program, Tv for shutter priority, Sv for ISO priority, M for full manual. Every position clicks. ISO and shutter move in thirds of a stop along the standard photographic ladders, on a dial that detents at every rung. Whole stops click harder than thirds, so you can count them by feel without looking. The ends of each ladder are the sensor's genuine limits rather than round numbers, which means base ISO, the cleanest the sensor gets, is actually reachable. Exposure compensation on its own scale, in thirds, with a firmer detent at zero. In manual it becomes the meter, because compensation has nothing left to act on when both controls are already fixed. An AF/MF switch and a focus ring you turn like a ring: relative, so touching it never jumps focus, and marked near to far rather than in invented distances. Three lenses, each at its native focal length, read from the hardware. HONEST ABOUT ITSELF Bayer RAW is 12 MP and does not permit zoom. The 48 MP path would mean Apple ProRAW, which is demosaiced and partially processed, so Knurl does not offer it. When the exposure you have asked for is not achievable, it says so rather than pretending. Your shots go to a Knurl album you can browse in the app, pinch to zoom, and swipe through. Volume buttons fire the shutter. Add the Control to your Action Button, Lock Screen or Control Center to open it without unlocking.
Screenshots
Verdict
The clearest difference is in-app purchases: Knurl Camera at none against Zotro's 1. On price, rating, ratings volume and ads 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
Both are free to download. Zotro sells 1 in-app purchase, starting at $1.99 per year. Knurl Camera asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Zotro against 5.0 for Knurl Camera. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
| Parameter | Zotro | Knurl Camera |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17.2 — better | 18.0 |
| Further details — not scored | ||
| Size | 42 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Dippold | Dimitrios Zarkadas |
In-app purchases
Zotro
- Zotro Pro Yearly$1.991 Year
Knurl Camera
No in-app purchases









