Truecaller Global phone directory

Truecaller is a global phone directory application for smartphones and feature phones, and accessible via a Web site, developed by True Software Scandinavia AB. It finds contact details globally given name or telephone number, and has an integrated caller IDservice using Crowdsourcing to achieve call-blocking functionality and social media integration to keep the phonebook up-to-date with pictures and birthdays. The name Truecaller comes from the app being able to show the True name of the Caller. The client is available for AndroidBlackBerry OSiOSSeries 40SymbianBlackberry, and Windows Phone.


Truecaller was developed by True Software Scandinavia AB, a privately held company in StockholmSweden founded by Alan Mamedi and Nami Zarringhalam in 2009.[1]

It was initially launched on Symbian and Microsoft Windows Mobile on 1 July 2009. It was released for Android and Apple iPhone on 23 September 2009, for RIM Blackberry on 27 February 2012, for Windows Phone on 1 March 2012, and for Nokia Series 40 on 3 September 2012.As of September 2012 Truecaller had five million users[2] performing 120 million searches of the telephone numberdatabase every month.[3] As of January 22, 2013 Truecaller reached 10 million users.[4]

[edit]Features and functionality

The service is a global telephone directory that has caller ID, social media integration and call-blocking functionality.[5][6] The application covertly uploads users' phone books and makes them part of its crowd-sourced database.[7]

The service gains global coverage from its crowd-sourced data, which enables it to work even in countries such as the UK and Indiawhere public data is not available.[8] The app is available in more than 100 countries worldwide.[9]

Truecaller is available for Android,[10] Apple iPhone,[11] RIM BlackBerry, Nokia Symbian,[12] Windows Phone 7, and Windows Mobile smartphones.[13]

On 18 September 2012 Techcrunch announced that Open Ocean Capital,[14] a venture capital fund led by former MySQL and Nokia executives (including [[Michael Widenius]],[15] founder of MySQL), were investing US$1.3 million in Truecaller to push Truecaller’s global reach.[16] Truecaller said that it intended to use the new funding to expand its footprint in "key markets"—specifically North America,Asia and the Middle East.[17]

[edit]Languages and localization

As of 2012 Truecaller was available in 12 languages and locales: English, Arabic, Swedish, German, French, Chinese, Swedish, Italian, Portuguese, Russian, Spanish and Turkish.


True Software Scandinavia AB won the gold mobile at the annual Swedish mobile awards (Mobilgalan) in November 2011 for Truecaller.[18] Due to privacy laws, Truecaller was previously not available in the United Kingdom,[19] but later became operational there.


  1. ^ Dagens P Sredaktion (2012-02-14). "– Erövrar världen med 500 miljoner mobilnummer". Retrieved 2012-10-10.
  2. ^ "TrueCaller når 5 miljoner medlemmar | Applovin' - Allt om appar". 2012-09-04. Retrieved 2012-10-10.
  3. ^ "Open Ocean investerar i svenska Truecaller - Forum". 2012-09-19. Retrieved 2012-10-10.
  4. ^ "Big in India, Swedish phone directory service Truecaller hits 10M user milestone". Retrieved 2013-02-08.
  5. ^ "Swedish Startup TrueCaller celebrates 1 Million mobile users". Scandinavian Startups. 2011-03-23. Retrieved 2012-10-10.
  6. ^ "Se vem som ringer med TrueCaller | Smartare Vardag". Retrieved 2012-10-10.
  7. ^ Gilbert, Zach (2012-02-27). "Crackberry". Crackberry. Retrieved 2012-10-10.
  8. ^ "CallerID app banned in Britain - reverse number lookups are illegal". TechEye. 2010-05-05. Retrieved 2012-10-10.
  9. ^ "Nya versioner av TrueCaller ute nu! | Nyheter om Nokia". 2012-09-27. Retrieved 2012-10-10.
  10. ^ "Truecaller - Android-apps op Google Play". Retrieved 2012-10-10.
  11. ^ "Truecaller - worldwide number search and spam filter for iPhone, iPod touch, and iPad on the iTunes App Store". 2012-09-27. Retrieved 2012-10-10.
  12. ^ "Nokia Store: Download Truecaller, See who is calling and many other games, wallpaper, ringtones and mobile apps on your Nokia phone". Retrieved 2012-10-10.
  13. ^ {{cite web|url= |title=Search and find people worldwide |publisher=TrueCaller |date=2012-10-01 |accessdate=2012-10-10}}
  14. ^ "Home | Open Ocean - Leading Investor in Community and Open Source Business". Open Ocean Capital. 2012-09-19. Retrieved 2012-10-10.
  15. ^ "Miljonregn över svenska Truecaller". IT24. Retrieved 2012-10-10.
  16. ^ Clayton, Nick (2012-09-20). "Truecaller Collects $1.3 Million for Crowd-Sourced Phone Book - Tech Europe - WSJ". Retrieved 2012-10-10.
  17. ^ {{cite web|url=|title=Open Ocean Invests $1.3M To Push Crowdsourced Directory Truecaller’s Global Reach |publisher=TechCrunch |date=2012-09-18 |accessdate=2012-10-10}}
  18. ^ "Guldmobilen Mobilgalan 2011" (in Swedish). Retrieved 17 January 2011.
  19. ^ "Mobile Entertainment Forum". Mobile Entertainment Forum. Retrieved 2012-10-10.

[edit]External links


Developer(s) True Software Scandinavia AB
Development status Active
Operating systems AndroidBlackBerry OSiOS,Series 40Symbian andWindows Phone

Telephone directoryCaller ID, [[Social

intregration]], Spam blocker,Crowdsourcing


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