ProofCam vs Knurl Camera
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
ProofCam
Read full descriptionHide full description
Capture the moment. Keep the context. ProofCam is a real-time TimeMark camera designed to add useful date, time, location and GPS information directly to your photos. Whether you're documenting field work, construction progress, inspections, maintenance, property conditions or everyday records, ProofCam makes it easy to capture photos together with the information that matters. REAL-TIME TIMEMARK See your TimeMark directly in the camera while capturing. Date, time, location and GPS information are displayed clearly so you know how your photo will look before you take it. CUSTOMIZABLE STAMP STYLES Choose from multiple professional TimeMark templates and select the layout that works best for your photos. DATE & TIME Add clear date and time information directly to captured photos with customizable display options. LOCATION & GPS Add location information and GPS coordinates when location access is enabled. ProofCam remains useful even when you choose not to use location. WORKSPACES Keep work photos organized by project or job site, making it easier to manage photo records from different locations and tasks. PHOTO RECORDS Review your captured photo together with its TimeMark information before saving or sharing. BUILT FOR REAL-WORLD WORK ProofCam is useful for: ⢠Construction progress ⢠Field work ⢠Property inspections ⢠Maintenance records ⢠Installation documentation ⢠Delivery records ⢠Site visits ⢠Before & after photos ⢠Personal photo records SIMPLE BY DESIGN ProofCam is designed around a fast workflow: Open the camera. Check your TimeMark. Capture. Save. No complicated setup is required. Download ProofCam and create clearer photo records with real-time date, time and GPS context.
Knurl Camera
Read full descriptionHide full description
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 ads: Knurl Camera at none against ProofCam's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ProofCam | Knurl Camera |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | ā |
| Ads | Yes | No ā better |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 ā better | 18.0 |
| Further details ā not scored | ||
| Size | 10 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Nguyen Nghiem | Dimitrios Zarkadas |
In-app purchases
ProofCam
No in-app purchases
Knurl Camera
No in-app purchases









