When comparing F-Stop Media Gallery vs A Photo Manager, the Slant community recommends F-Stop Media Gallery for most people. In the question“What are the best Android gallery apps?” F-Stop Media Gallery is ranked 5th while A Photo Manager is ranked 10th. The most important reason people chose F-Stop Media Gallery is:
In addition to folders and albums the app allows images to be tagged, rated and favorited. It also offers the option to create smart galleries (automatically sort photos into galleries) and browse images based on location.
Specs
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Pros
Pro Variety of features for categorizing the gallery
In addition to folders and albums the app allows images to be tagged, rated and favorited. It also offers the option to create smart galleries (automatically sort photos into galleries) and browse images based on location.
Pro Incremental photo backup to zipfile
i.e. all photos that where added/modified since last backup can be added to a zip file on an attached usbstick
Pro Support for virtual albums
... that are independant of locaton in the physical-filesystem.
Pro Powerful geotagging/openstreetmap integration
A map shows where photos where taken. if you zoom in you see more details. Geotagging: select one or more photos + "set geo" + pick a point in the map ==> the selected images get that point. Filter images through the map: after selecting an area in the map (i.e. North Germany), the gallery will only show images from North Germany.
Pro It is free
Open-source, no ads, no user tracking.
Pro Can handle big image collections
15000+ images in 1000+ folders.
Pro Find photos by tags (aka keywords)
Pro Build in Vault mode
If enabled only selected/filtered Images can be seen. This allows you to savley hand over your android phone to someone else and allow him/her to view only those images in Gallery-View, Geographic-Map and Image-View that you have chosen before.
Pro Exif-Tag support (Edit and Find)
Pro Quick hirarchical folder navigation
Only folders that contain pictures are shown.
Cons
Con It is not available on the Google Play Store
You have to download it via f-droid.org store.