Tella
Tella Summary
Tella is a mobile Android app in Tools by Horizontal. Released in Jan 2019 (7 years ago). It has about 116.8K+ installs and 242 ratings with a 3.91★ (average) average. Based on AppGoblin estimates, it reaches roughly 5.3K monthly active users . Store metadata: updated Mar 12, 2026.
Recent activity: 171 installs this week (1.1K over 4 weeks) showing steady growth View trends →
Store info: Last updated on Google Play on Mar 12, 2026 .
3.91★
Ratings: 242
Screenshots
App Description
Protect and hide sensitive files
Tella . In challenging environments--with limited or no internet connectivity or in the face of repression--Tella makes it easier and safer to document events, whether that’s violence, human rights violations, corruption, or electoral fraud.
ENCRYPTION: All of the content and data stored in Tella are encrypted. This means that unless the app is unlocked, all the data within Tella will remain inaccessible.
FILE MANAGEMENT: Take photos, videos, or audio recordings directly in Tella, or import documents from your phone, and easily organize your files in folders.
CAMOUFLAGE: Change the app icon and name to a seemingly harmless one, such as a calculator or a camera.
QUICK DELETE: In just a few seconds, delete all the sensitive data and files stored in Tella.
DATA-COLLECTION: Groups and organizations can collect data through forms and surveys, and received the data directly on their server.