You can find the list of Top 10 Reference iPhone Apps for different categories here:

Apple - iTunes - iTunes Store - Charts - Top 10 iPhone Apps - Reference

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List of Top iPhone Apps for America - USA

GOOGLE MOBILE APP iPhone App
About iPhone app: This iphone app is for .....

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DICTIONARY.COM iPhone App
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ITRANSLATE FOR IPAD iPhone App
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BIBLE iPhone App
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BING iPhone App
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FREE TRANSLATOR iPhone App
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WIKIPEDIA MOBILE iPhone App
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DICTIONARY! iPhone App
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WA STATE ELECTION RESULTS iPhone App
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WA STATE ELECTION RESULTS iPhone App
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List of Top iPhone Apps for United Kingdom - GB

GOOGLE MOBILE APP iPhone App
About iPhone app: This iphone app is for .....

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ITRANSLATE FOR IPAD iPhone App
About iPhone app: This iphone app is for .....

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DICTIONARY.COM iPhone App
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WIKIPEDIA MOBILE iPhone App
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FREE TRANSLATOR iPhone App
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BUILDINGS iPhone App
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DICTIONARY! iPhone App
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EASTENDERS iPhone App
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OPTICAL ILLUSIONS! iPhone App
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SECRETS EXPOSED iPhone App
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List of Top iPhone Apps for Australia - AU

GOOGLE SEARCH iPhone App
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CARSALES iPhone App
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GOOGLE TRANSLATE iPhone App
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THE NIGHT SKY iPhone App
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ANCESTRY iPhone App
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DICTIONARY.COM iPhone App
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DICTIONARY.COM iPhone App
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DICTIONARY. iPhone App
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BIKESALES iPhone App
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WIKIPEDIA MOBILE iPhone App
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List of Top iPhone Apps for Belgium - BE

TAP-TRANSLATE iPhone App
About iPhone app: This iphone app is for .....

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GOOGLE TRANSLATE iPhone App
About iPhone app: This iphone app is for .....

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GOOGLE SEARCH iPhone App
About iPhone app: This iphone app is for .....

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WIKIPEDIA MOBILE iPhone App
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IHANDY TRANSLATOR FREE iPhone App
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HELEXICON ENGLISH DICTIONARY & THESAURUS HD iPhone App
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ALL-IN-1 WALKTHROUGH FOR ANGRY BIRDS iPhone App
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DICTIONARY. iPhone App
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SPACE WALKTHROUGH FOR ANGRY BIRDS SPACE AND SPACE MIGHTY EAGLE iPhone App
About iPhone app: This iphone app is for .....

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WALKTHROUGH FOR ANGRY BIRDS (FREE EDITION) iPhone App
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List of Top iPhone Apps for Canada - CA

GOOGLE MOBILE APP iPhone App
About iPhone app: This iphone app is for .....

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DICTIONARY.COM iPhone App
About iPhone app: This iphone app is for .....

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ITRANSLATE FOR IPAD iPhone App
About iPhone app: This iphone app is for .....

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WIKIPEDIA MOBILE iPhone App
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FREE TRANSLATOR iPhone App
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BIBLE iPhone App
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DICTIONARY! iPhone App
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DICTIONARY! iPhone App
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KNOT GUIDE (FREE KNOTS) iPhone App
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SECRETS EXPOSED iPhone App
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List of Top iPhone Apps for Denmark - DK

GOOGLE MOBILE APP iPhone App
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RETSKRIVNINGSORDBOGEN 2001 iPhone App
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WIKIPEDIA MOBILE iPhone App
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ITRANSLATE FOR IPAD iPhone App
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FREE TRANSLATOR iPhone App
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CUT THE ROPE WALKTHROUGH LITE iPhone App
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DRINKS AND COCKTAILS iPhone App
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LAYAR REALITY BROWSER iPhone App
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LAYAR REALITY BROWSER iPhone App
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WORLD FACTS 2010 FREE iPhone App
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List of Top iPhone Apps for Finland - FI

FINNBIRDS iPhone App
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FONECTA iPhone App
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FREE TRANSLATOR iPhone App
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WIKIPEDIA MOBILE iPhone App
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ITRANSLATE FOR IPAD iPhone App
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GOOGLE MOBILE APP iPhone App
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BIBLE iPhone App
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HÄLYTYSLISTA iPhone App
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SIENIOPAS LITE iPhone App
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KNOT GUIDE (FREE KNOTS) iPhone App
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List of Top iPhone Apps for Greece - GR

GOOGLE TRANSLATE iPhone App
About iPhone app: This iphone app is for .....

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HOW TO TIE KNOTS iPhone App
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GOOGLE SEARCH iPhone App
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thermidometretes iPhone App
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WIKIPEDIA MOBILE iPhone App
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ITRANSLATE ~ FREE TRANSLATOR iPhone App
About iPhone app: This iphone app is for .....

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ALL-IN-1 WALKTHROUGH FOR ANGRY BIRDS iPhone App
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TAP-TRANSLATE iPhone App
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epharmoges-sta-ellenika iPhone App
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GR<->EN DICT iPhone App
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List of Top iPhone Apps for Ireland - IE

GOOGLE SEARCH iPhone App
About iPhone app: This iphone app is for .....

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GOOGLE TRANSLATE iPhone App
About iPhone app: This iphone app is for .....

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DICTIONARY. iPhone App
About iPhone app: This iphone app is for .....

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THE NIGHT SKY iPhone App
About iPhone app: This iphone app is for .....

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ALL-IN-1 WALKTHROUGH FOR ANGRY BIRDS iPhone App
About iPhone app: This iphone app is for .....

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WIKIPEDIA MOBILE iPhone App
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ANCESTRY iPhone App
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SPACE WALKTHROUGH FOR ANGRY BIRDS SPACE AND SPACE MIGHTY EAGLE iPhone App
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MY O2 iPhone App
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WALKTHROUGH FOR ANGRY BIRDS (FREE EDITION) iPhone App
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List of Top iPhone Apps for Japan - JP

YAHOO!Map iPhone App
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GOOGLE MOBILE APP iPhone App
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Character Pocketbook01 iPhone App
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YAHOO! JAPAN iPhone App
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English translation Excite iPhone App
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Eijiro ON THE WEB FOR IPHONE(ALC) iPhone App
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Zip Search iPhone App
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WIKIPANION iPhone App
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Application development 101 Tips iPhone App
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WIKIAMO iPhone App
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List of Top iPhone Apps for Luxembourg - LU

GOOGLE TRANSLATE iPhone App
About iPhone app: This iphone app is for .....

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GOOGLE SEARCH iPhone App
About iPhone app: This iphone app is for .....

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LEO WÖRTERBUCH iPhone App
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SEEKER iPhone App
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WIKIPEDIA MOBILE iPhone App
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ALL-IN-1 WALKTHROUGH FOR ANGRY BIRDS iPhone App
About iPhone app: This iphone app is for .....

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IHANDY TRANSLATOR FREE iPhone App
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DICTIONARY. iPhone App
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TAP-TRANSLATE iPhone App
About iPhone app: This iphone app is for .....

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HELEXICON ENGLISH DICTIONARY & THESAURUS HD iPhone App
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List of Top iPhone Apps for New Zealand - NZ

SKY TV NZ iPhone App
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THE NIGHT SKY iPhone App
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GOOGLE SEARCH iPhone App
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YELLOW® NZ iPhone App
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GOOGLE TRANSLATE iPhone App
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DICTIONARY.COM iPhone App
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DICTIONARY! iPhone App
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BIBLE iPhone App
About iPhone app: This iphone app is for .....

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DICTIONARY.COM iPhone App
About iPhone app: This iphone app is for .....

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WIKIPEDIA MOBILE iPhone App
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List of Top iPhone Apps for Norway - NO

TVGUIDEN iPhone App
About iPhone app: This iphone app is for .....

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1881 iPhone App
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ITRANSLATE FOR IPAD iPhone App
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WOLFRAMALPHA iPhone App
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GOOGLE MOBILE APP iPhone App
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WIKIPEDIA MOBILE iPhone App
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SKATTELISTEN iPhone App
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FREE TRANSLATOR iPhone App
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KUNNSKAPSFORLAGETS ENGELSK BLÅ ORDBOK iPhone App
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FINNBIRDS iPhone App
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List of Top iPhone Apps for Portugal - PT

ITRANSLATE FOR IPAD iPhone App
About iPhone app: This iphone app is for .....

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GOOGLE MOBILE APP iPhone App
About iPhone app: This iphone app is for .....

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DICIONÁRIO PRIBERAM DA LÍNGUA PORTUGUESA iPhone App
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WIKIPEDIA MOBILE iPhone App
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SABORES iPhone App
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SAPO iPhone App
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LAYAR REALITY BROWSER iPhone App
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WIKITUDE iPhone App
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IFORMULAS iPhone App
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FREE TRANSLATOR iPhone App
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List of Top iPhone Apps for Sweden - SE

GOOGLE MOBILE APP iPhone App
About iPhone app: This iphone app is for .....

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WIKIPEDIA MOBILE iPhone App
About iPhone app: This iphone app is for .....

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ITRANSLATE FOR IPAD iPhone App
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LOKALDELEN.SE iPhone App
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FÖRSVARSMAKTEN iPhone App
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LAYAR REALITY BROWSER iPhone App
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CUT THE ROPE WALKTHROUGH LITE iPhone App
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KNOTS GUIDE iPhone App
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FINNBIRDS iPhone App
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FREE TRANSLATOR iPhone App
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