STACK

4,4
1,54K reviews
100K+
Downloads
Content rating
Everyone
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About this app

STACK is the secure online storage with automatic backup of photos and videos you take on your phone or tablet. Always access the latest version of your files — on your phone, desktop, or through your browser.

- Automatic backup of your photos and videos
- Access all your files anywhere
- Easily store large files
- Share your files with friends and family
- Protected with 256-bit encryption
- Hosted in data centers in the Netherlands
Updated on
17 Sept 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location, App activity and 2 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4,3
1,43K reviews
Perry12able
27 January 2022
What's the point of having an upload functionality if it doesn't work? And when it finally starts uploading; it crashes! Thinking about switching to google drive because this app is hot garbage and never never seems to work properly. Even after having stack for 2/3 years, they still can't fix this! Edit: The app doesn't crash, and turning on the debugging mode didn't yield any results. I just keeps doing nothing.
3 people found this review helpful
TransIP
11 April 2022
Hi Perry! Uploading works best when you disable battery optimisation for the STACK app.
Johan Lap
01 July 2022
The app works fine with a bit of battery tweaking. Used it over a longer period on different phones. I only miss a lot of features regarding the uploading of files and folders like; Adding exceptions, including other folders like whatsapp images, backup options, upload and download rules for speed and times. And better 'options' when something doesn't work. A video that doesn't upload with the error its not working isn't very helpfull... Developers can really do a lot more with this app!
TransIP
01 July 2022
Hi Johan! If you send us your suggestions in a ticket from your TransIP control panel or to support@transip.nl, mention your review in the Play Store and ask for support from the STACK product unit, we will make sure that your message is read by the development team.
mark
03 September 2024
Uploading files (only thing I really want to use this app for) rarely works and doesn't give feedback why it's not working (just doesn't do anything). Uploads screen isn't very useful; doesn't show all selected uploads of a batch, instead files appear one-by-one as they start uploading. Disabling battery optimisation (often sugggested solution) did not help for me. App feels very carelessly produced. Update (1.5 years later): all of the above still applies
8 people found this review helpful

App support

About the developer
TransIP B.V.
support@transip.nl
Vondellaan 47 2332 AA Leiden Netherlands
+31 6 39077577