Apps Like FRB FlatrateBooster for iPhone and iPad
Make international calls at low rates
Make international calls at low cost using landline or freephone numbers. Set predefined destinations. Route calls automatically. Combine with provider flat rate for savings. Call German mobiles with recommended Flatrate.
FRB FlatrateBooster screenshots
Ranked alternatives
Showing 541–560 of 1,000 ranked alternatives.
Beckon - High quality call
Agora Lab, Inc.
Free international calls with HD quality.
The app offers free international calls with 32kHz super wide band IP call technology. It supports one-on-one and group calls with up to 100 participants and features state-of-the-art acoustic algorithms for clear voice quality.
BALBERRY
Four Square Technologies Ltd
Make voice calls worldwide with quality.
The app allows users to make voice calls using their iPhone contacts. It provides connectivity through Wi-Fi, 4G/3G, and 2G EDGE, with features like call logs and balance information.
Linphone
Belledonne communications
Open source internet phone and messaging.
The app provides free audio and video calls, along with text messaging. Users can receive calls and messages even when the app is not actively running, provided an internet connection is available.
Zillit
Zillit LLC
Share documents securely
Communicate through private chats or units. Share documents securely or publicly. Create and manage calendar events. Make audio and video calls individually or in groups. Send notices and upload images in real time.
Nødnummer
Atami AS
Emergency calls for medical assistance, fire.
The app provides emergency calls for medical assistance, fire, and police in the user's current country. It makes vital phone numbers readily available for acute situations.
Zing Messenger
Global Solutions Inc
Free secure messaging and voice calls.
The app offers free and secure messaging, conferencing, and voice calls. All connections are securely encrypted, and users can control their status and location sharing.
Shaberi
MS INTERNET, K.K.
Chat securely and connect instantly
Send messages and make calls for free. Encrypt conversations end-to-end. Create and join groups. Chat in real-time with friends. Add contacts easily. Stay connected globally without cost.
PrivateWave Professional
BV TECH SPA
Send encrypted calls and messages
Encrypt calls between users with end-to-end encryption. Set up on a private server or hosted service. Initiate and receive secure voice calls. Manage contacts and call history. Share encrypted messages and files. Control access permissions for users.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.