✅ Works on ANY device: You can install and use the AmberIT app on a different mobile — even if the SIM card used for registration is not in that phone. This is perfect for tablets or secondary phones.
My personal test: I registered with my Grameenphone SIM, but I make calls from my Wi‑Fi only tablet without any SIM. Works flawlessly.
Key Features
- Free app‑to‑app calls & messaging
- Balance transfer between users
- Recharge via bKash / Nagad
- Shows account balance on screen
- NID verification required (0‑2m)
⚠️ SIM must be installed: Brilliant uses SMS auto‑fill for OTP verification. Therefore, the app cannot be used on a different mobile unless the registered SIM is physically inserted in that device.
My personal test: I tried to use Brilliant on my spare phone after registering on my main device. The app kept prompting for SMS permission and could not verify the account. You MUST keep the SIM in the same phone.
Key Features
- Uses 70% less data than competitors
- End‑to‑end encryption
- Bangla language & stickers
- Brilliant‑Out low international rates
- Group video calls & file sharing
ALAAP is the official VoIP app from Bangladesh Telecommunications Company Ltd. (BTCL), the state‑owned telecom operator.
Key Features
- Free app‑to‑app calls & messaging
- Low‑cost calls to any mobile/landline
- Pay BTCL bills directly from app
- HD quality audio & video conference
- Video streaming (movies, natok, songs)
- Earn credit from referrals
Dial by Link3 Technologies offers uninterrupted free voice and video calls with the lowest rates for calling mobile/PSTN numbers. Optimized for low‑bandwidth connections.
Key Features
- Uninterrupted free voice & video calls
- Lowest app‑to‑mobile/PSTN rates
- Best experience on low data coverage
- Safe and reliable file sharing
- Data encrypted in transit