Whatsapp gets all the attention, but Telegram has a lot going for it too. This messaging app features full end-to-end encryption and a modern material theme. As of v2.5 it also has a photo editor and optional passcodes for improved privacy.

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Here's the full changelog for v2.5.

  • Crop and automatically enhance photos before sharing them.
  • Use Photoshop-class granular controls for brightness, contrast, sharpening and much more.
  • Choose an additional PIN or a longer password to lock your app.
  • Lock app manually from chats screen or enable auto-lock after a period of inactivity.

I don't know if I'd say the editing tools are "Photoshop-class," but they do work quite well. You've got brightness, contrast, grain, and a ton more. The passcode feature is straightforward—pick a code and set the auto-lock time to keep your chats secure. Telegram is free and doesn't contain ads of any kind.