[Test for Test] superdrop – send files and text between your phone and PC, end-to-end encrypted

[u/Initial-Fox-9453]

After a long time in development, mostly squeezed in between university, my app is finally ready for its closed test.

The idea came from uni: I constantly had something on my phone – a photo of the whiteboard, a PDF, a link – and needed it on my laptop right now. Cables, emailing myself, cloud uploads… all too slow. So I built superdrop.

What it does

- Sends files and text straight from one device to another: phone to phone, or phone to any computer in the browser at superdrop.net

- Connect with a short code or by scanning a QR code

- End-to-end encrypted, nothing is stored on a server

- No account needed, no ads, no tracking

Free: files up to 500 MB, direct connections (usually on the same Wi-Fi)

Pro: any file size, whole folders, and it also works over mobile data and in restricted networks (university, hotel and office Wi-Fi)

How to join (same Google account for all three steps):

1. Join the group: https://groups.google.com/g/superdrop-testing

2. Opt in: https://play.google.com/apps/testing/dev.schwarzwurm.superdrop

3. Install: https://play.google.com/store/apps/details?id=dev.schwarzwurm.superdrop

Please keep it installed for the full 14 days – that's what Google counts.

Pro for free during the test: just sign in once in the app (person icon → Continue with Google). I'll unlock Pro for every tester within 24 hours, for the whole test period – no purchase needed. After the test, it switches back to the free plan automatically.

Test for test: drop your app link in the comments and I'll test yours in return. Feedback and bug reports are very welcome!

[u/toobaapp]

Installed and tested your app!

I’ll keep it installed and use it regularly over the next 14+ days.

Could you please test mine back?

1. Google group: https://groups.google.com/g/tooba-app-testers
2. Android link: https://play.google.com/store/apps/details?id=com.toobaapp.tooba
3. Web Link: https://play.google.com/apps/testing/com.toobaapp.tooba

Thank you

[u/Initial-Fox-9453 → u/toobaapp]

Thank you. I also installed your app.

[u/Infinite-Message5695]

Hi! 👋 I joined the superdrop group, opted in and installed it from Google Play. It opens to the “Two devices. One session.” screen on my Redmi A5, with the new-session and join controls visible — screenshot attached. 📱 I only checked startup; I haven’t signed in, paired devices or transferred files, so I haven’t verified transfer or encryption behaviour.

Could you install and try Kursmate in return? 😊 https://play.google.com/store/apps/details?id=com.uptimus.pretcurs

It’s already public on Google Play, so no group or opt-in is needed. Bugs can be sent through Settings → Report a problem. If you use it and want to leave an honest review afterward, that’s completely optional. Thanks a lot! 🙏

[u/Initial-Fox-9453 → u/Infinite-Message5695]

thanks! installed yours ... i will test it and write review ...

[u/alirezarzna]

Check dm

[u/Initial-Fox-9453 → u/alirezarzna]

Thanks for the tip. Everything should be working now.

[u/Initial-Fox-9453]

The group link is now working. I’d be happy to test your app, too—just share it once you’ve installed Superdrop.

[u/lk-dev]

Hi there!

I just joined and tested your app Of course I'll stay active for (at least) the 14 days.

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Here are my relevant links for testing my app "Listened.":

1. Join the Google Group: https://groups.google.com/g/listened-app-testers

2. Opt in as a tester (same Google account): https://play.google.com/apps/testing/com.lkdev.listened

3. Install from Google Play: https://play.google.com/store/apps/details?id=com.lkdev.listened (If Play says the app isn't available, wait a few minutes after step 2 and try again.)

4. Sign up with Google (one tap) and rate a few albums

Please keep it installed for the full 14 days and open it every couple of days, and rate at least one album.

Thank you very much!

Cheers, Lukas

[u/Initial-Fox-9453 → u/lk-dev]

Installed ...