FRB FlatrateBooster app icon

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.

by DALASON GmbH★ 0.00 ratingsSocial NetworkingFreeData updated 2026-09-08

FRB FlatrateBooster screenshots

Ranked alternatives

Showing 221–240 of 1,000 ranked alternatives.

  1. Guitar Tuner! app icon

    Guitar Tuner!

    Peter Deelstra

    Tune strings visually and accurately

    Tune strings with a visual pitch display showing cents deviation. Adjust string tension to match desired pitch. View real-time feedback on tuning accuracy. Sync with tuning machines for precise adjustments.

    ★ 4.8356 ratingsMusic$2.99Data updated 2026-11-02
  1. Onoff Numbers app icon

    Onoff Numbers

    ONOFFAPP OU

    Get a second number instantly

    Manage a second phone number without a second device or SIM card. Send and receive calls, texts, and notifications. Set up separate profiles for personal and professional use. Enable privacy by using a second number for online interactions.

    ★ 4.6788 ratingsUtilitiesFreeData updated 2026-09-09
  2. Cheap Calls - IntCall app icon

    Cheap Calls - IntCall

    Telestar

    Make internationally at low cost

    Make international at reduced rates using VoIP technology. Dial any number worldwide. Use Wi-Fi or mobile data for . Receive incoming and answer them. Share call details with contacts. Set call duration limits.

    ★ 4.275 ratingsUtilitiesFreeData updated 2026-09-08
  3. NumberBox:CallerID app icon

    NumberBox:CallerID

    Marvan Salemi

    Tag numbers and report spam calls

    Users can report unwanted phone numbers with custom tags like "Scammer" or "Spam." Manually add tags to numbers to help others identify potential spam. No personal data is collected, stored, or shared.

    ★ 4.5553 ratingsUtilitiesFreeData updated 2026-10-18
  4. TapCall - Second Phone Number app icon

    TapCall - Second Phone Number

    Zapps Mobi Ltd

    Manage multiple numbers from one device

    Manage multiple numbers from one device. Use separate numbers for work and personal calls. Switch between numbers quickly. Receive and make calls, texts, and voicemails on different lines. Set up and manage numbers from 30+ countries.

    ★ 4.3451 ratingsBusinessFreeData updated 2026-09-17
  5. Super Loud Ringtones app icon

    Super Loud Ringtones

    Catherine Lopez

    Set and sound effects

    Set custom for calls, alarms, and notifications. Choose from high-volume sound options. Apply to different alert types. Manage and organize sound files within the .

    ★ 4.1656 ratingsUtilitiesFreeData updated 2026-09-09
  6. Second Phone Number DoCall 2nd app icon

    Second Phone Number DoCall 2nd

    DynApps Bilisim Hizmetleri ve Ticaret Limited Sirketi

    Text with a instantly

    Manage multiple numbers from one . Send and receive texts, make calls, and use private SMS. Set up a for different purposes like work or dating. Control call and message settings remotely. Protect personal by using a virtual line.

    ★ 4.6705 ratingsSocial NetworkingFreeData updated 2026-09-06
  7. Telegnum: Virtual Phone Number app icon

    Telegnum: Virtual Phone Number

    Omer Celik

    Get numbers and support anytime

    Obtain numbers from over 40 countries. Use numbers for Telegram without a SIM or device. Receive warranty and 24/7 support if numbers fail or are canceled. Verify numbers work with Telegram before use.

    ★ 4.380 ratingsUtilitiesFreeData updated 2026-09-06
  8. VomozFlex app icon

    VomozFlex

    Vomoz Systems, Inc

    Call internationally at low rates

    Make international calls at a low rate with no setup or maintenance fees. Choose from multiple phone numbers. Pay as you go with no hidden charges. Manage call history and contacts directly.

    ★ 3.312 ratingsSocial NetworkingFreeData updated 2026-09-09
  9. Second Phone Number: 2nd eSIM app icon

    Second Phone Number: 2nd eSIM

    Municorn Limited

    Get a for calls and texts

    Manage a for calls and texts without a SIM card. Receive and make calls, send and receive messages. Choose a number, set up call forwarding, and manage contacts separately.

    ★ 4.3650 ratingsUtilitiesFreeData updated 2026-09-06
  10. We Text + Call + Message Now app icon

    We Text + Call + Message Now

    Ludmyla Lazarenko

    Use virtual numbers for calls and SMS

    Get a virtual number to make calls and send SMS. Receive and manage calls and messages separately from your main phone number. Use it for business, travel, or online registrations without revealing your real number.

    ★ 4.7500 ratingsUtilitiesFreeData updated 2026-09-06
  11. 2nd Phone Number-Text App,Call app icon

    2nd Phone Number-Text App,Call

    友海 张

    Get a number, call, and text freely

    Send and receive free text messages and make free calls using a virtual number. Generate QR codes, use a calculator, and pick colors. Connect with contacts globally.

    ★ 4.7368 ratingsUtilitiesFreeData updated 2026-09-06
  12. P3 Mobile app icon

    P3 Mobile

    Purple Communications, Inc.

    Make and receive VP calls

    Enable video relay calls via Wi-Fi or cellular data. Send text messages during calls. Share follow-up numbers from contacts. Block unwanted callers. Access an intuitive interface with interpreter options. Manage call settings and notifications.

    ★ 4.0293 ratingsSocial NetworkingFreeData updated 2026-09-08
  13. Guuk app icon

    Guuk

    MASORANGE SL

    ★ 4.84 ratingsUtilitiesFreeData updated 2026-09-27

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.