PhotoGem vs phNotes Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PhotoGem
Explore your photos with integrated maps, Street View, and Wikipedia summaries. Edit geotags, add audio clips, and view detailed photo properties. Customize your viewing experience with adjustable panels and dark mode.
- Map and Street View integration
- Edit photo GPS coordinates
- View nearby Wikipedia pages
- Add and play audio clips
- View EXIF, IPTC, TIFF, and GPS data
- Customizable panel layout
- Dark mode and iPad multitasking
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View your Photos in along with Street View, Maps, Wiki Pages and more. Try it out for free! Features include: - Maps: 2D & 3D, adjustable height & zoom level. - Google Street View - Explore around the place the Photo was taken. - Location Editor - Add or change the Photo’s GPS coordinates. Update the Photo’s position & direction to match the photo with the initial Google Street View frame. - Nearby Wiki Pages: Horizontally scroll to up to 20 nearby Wikipedia pages including title, summary & image. Tap to launch into Wikipedia. - Audio Clips - Either tap the play button for the photo or configure to “Autoplay” when the image is loaded. Assign a clip to a photo by either browsing for an audio file or simply tapping the record button. - Photo Property Viewer - Includes basic properties along with EXIF, IPTC, TIFF & GPS. - Customize your view - Panels can be easily rearranged. Just click the “Edit” button on the bottom. - Other Features - Online Help, Dark Mode, iPad Multitasking Support with Split Screen, Slide Over & Drag & Drop.
phNotes Pro
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*** If you like this app please take the time and leave a feedback, this will help me a lot in maintaining it and add additional features. Thank you! *** This simple but powerful app allows photographers who use manual lenses, technical/view cameras, adapted gears with digital or even analog film photography to take note of the most important parameters of each shot taken on the field. Additionally, with the Pro version all annotations can be easily exported through email or into your cloud storage. When back home/studio, the freely downloadable desktop companion application "PhotoAnnotator" can read the exported data and automatically write all annotations as EXIF/IPTC metadata into the corresponding image files (RAW, TIFF, JPEG, etc...). This is particularly useful in all cases where the shooting parameters are not automatically written by the camera into the image files. Your image and shooting annotations can then live together in one single file. FEATURES (PRO VERSION): - Supported annotations: image counter, shoot date, camera make and model, lens make and model, filter, shutter speed, aperture value, focus distance, shift and tilt movements, film, GPS location, additional notes. - GPS location automatically read from the iPhone's GPS system. - Ability to swipe-clone an existing image for fast editing in the field. - Ability to swipe-delete single photos. - Ability to manage a list of cameras. - Ability to manage a list of lenses. - Ability to manage a list of filters. - Ability to manage a list of films. - Ability to clear the whole session after having exported it. - Contextual help available. - Ability to save unlimited image entries (the LITE version is limited to 12 max). - Ability to export all data via the standard iOS sharing machanism. - The companion desktop app PhotoAnnotator can be freely downloaded at https://www.marcoristuccia.com/it/photoannotator - The companion desktop app PhotoAnnotator supports all the major RAW and image types (see the application description at the indicated web page for more details).
Screenshots
Verdict
The clearest difference is price: PhotoGem at Free against phNotes Pro's $5.99. phNotes Pro's advantage is in-app purchases (none vs 2) and update cadence (every 6 weeks vs every 3 months). On ads and device support 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
PhotoGem is free to download; phNotes Pro costs $5.99 up front. PhotoGem sells 2 one-off in-app purchases. phNotes Pro asks for nothing beyond the download.
PhotoGem ships an update every 3 months, phNotes Pro every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | PhotoGem | phNotes Pro |
|---|---|---|
| Price | Free — better | $5.99 |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPod |
| Requires iOS | 17.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Diamond4 Mobile Solutions LLC | Marco Ristuccia |
In-app purchases
PhotoGem
- 24 Hour TrialFree
- PhotoGem Pro$4.99
phNotes Pro
No in-app purchases









