There are several free mobile apps for managing S3-compatible storage on Android and iOS.

Here are some options:

For Android

1. S3Drive: Cloud Storage: Get it here: https://play.google.com/store/apps/details?id=com.s3.drive.file.explorer.storage.cloud.manager

   • Supports various cloud storage providers, including S3-compatible services.

   • Allows you to manage files and folders, upload/download data.

2. Simple S3 Browser: Get it here: https://play.google.com/store/apps/details?id=vn.com.goldtek.s3browser

   • Specifically designed for managing our S3 and S3-compatible storage.

   • Provides features for viewing, uploading, and managing files.

3. RCX Rclone (with Termux): Get it here: https://play.google.com/store/apps/details?id=io.github.x0b.rcx

   • While Rclone itself is a command-line tool, you can use it with Termux (a terminal emulator for Android) to manage S3-compatible storage.

   • Provides extensive functionality through the command line.

4. Bucket Anywhere for S3: Get it here: https://play.google.com/store/apps/details?id=lysesoft.s3anywhere

   • Manage S3-compatible storage.

For iOS

1. AWS S3 Manager: Get it here: https://apps.apple.com/us/app/aws-s3-manager/id1352683230?platform=iphone 

   • An app designed for managing our S3 and S3-compatible storage.

   • View images, documents, and play videos and audio files, Download files to your Photo library and to the Files app.

2. S3 Explorer: Get it here: https://apps.apple.com/us/app/s3-explorer/id1452893031

   • Browse your S3 cloud storage. Preview and share your files and images.

   • Play compatible media files from cloud, no downloads.

3. S3 Files - Bucket Storage: Get it here: https://apps.apple.com/us/app/s3-files-bucket-storage/id6447647340

   • Access your S3 storage from the Files app, Finder & other apps on your iPhone, iPad or Mac with this tool

   • Files and directories can be uploaded from the system share sheet or the Services menu on Mac

General Tips

• Check App Compatibility: Make sure the app supports S3-compatible endpoints.

• Security: Ensure the app handles your credentials securely and supports HTTPS for secure communication with the S3 service.

• Features: Look for features that match your needs, such as file upload/download, folder management, and permissions handling.

• Large files EndPoint: https://s3.sive.host

• General files and generally compatible SSL security certificate EndPoint: https://s4.sive.host

These apps should help you manage your S3 storage from your mobile device effectively. No more lost photos or videos!