On this blog, you will find the best 100+ iPhone apps for all your needs. We’ve taken the effort to categorize the apps and picked only those we believe to be the best ones and which will most likely be useful to you. (+) denotes apps which run on both iPhones and iPads.

Other Essential Apps [iPhone]


Weatherbug
Simple. Accurate. What else do you need from a weather app?
Scan (+)
Fast QR code scanner. Redirects to webpages; recognises phone numbers, email address, etc.
AppShopper (+)
Create wishlists and be informed when your favourite apps are on sale.
Flashlight
Enable your iPhone’s flashlight quickly. Allows for manual control (morse code function). Ad-free.
Find My iPhone
Must-have app. Allows you to log in and find other missing iOS devices.
GlobeConvert
Convert over 80 units including time, volume, length, weight and over 190 currencies.
iHandy Level
Calibrate your iPhone and use it as a handy water level.
Dragon Go!
Say what you want and Dragon Go! will deliver.
Tips & Tricks – iPhone Secrets
An app full of iPhone secrets. $0.99.

Travel Apps [iPhone]


FlightTrack (+)
Track flights in real time and get updates about delays and changes directly on your iPhone. $4.99
Currency (+)
Get up-to-date currency exchange rates for over 100 currencies and easily convert them to a currency of your choice.
TripIt – Travel Organiser (+)
Organise your travels. Coupled with an awesome web interface, this app is a must-have.
Urbanspoon (+)
Use GPS to find the best restaurants around you, sorted by cuisine and complete with reviews.
Yelp (+)
Like Urbanspoon but for everything else in the community, covering places to drink, eat and have fun.
Skyscanner
Great app to help you find the lowest flight fares and cheapest dates to fly.
Google Translate
Speak a phrase and the app translates it automatically! Over 50 languages supported.
XE Currency
Convert over 180 currencies at trusted rates. View currency charts going back on year.
Jetsetter
Gain access to exclusive discounts on spa, ski and beach resorts; travel packages and cruises.

Social Apps [iPhone]


WhatsApp Messenger
Until iMessage is available to everyone, this is what we’ll depend on. $0.99
Foursquare
Share your hotspots with your friends and let them know where you’ve been.
Bump
Share photos, contacts, videos, songs, and apps by bumping two iOS devices together. Magical.
Viber
The best way to make and receive free calls on your iPhone. Requires an internet connection.
Twitter (+)
Get your tweets on the move. Share images and thoughts with your Twitter followers.
IM+ (+)
A great multi-protocol instant messenger. Supports GTalk, MSN, Yahoo!, AIM, iChat, Jabber and many others.
Meebo
Another great multi-protocol instant messenger.
Trillian
For the die-hard Trillian users. Supports Trillian to Trillian messaging to save money.
Facebook
Who could live without Facebook on their iPhone?
Tumblr
For those who use Tumblr, this is an easy way to update on the go.