With over 100,000 applications now available in the Apple store and with the rising ubiquity of the the iPhone in Ireland, many of you might be wondering what apps to use. Here are 20 of Day and Night’s must have killer apps.

1. Dictionary.com - a complete English dictionary and thesaurus downloaded to your phone (free).
2. Wikipanion - searches Wikipedia in a faster time than the official app (free).
3. iCensus - Search the National Archive of Ireland’s 1911 Census from your phone (€2.99).
Movie Genie - For those times when you need to know where you recognise an actor from, you need this IMDB client (€1.59).
4. eBuddy - Instant message facility which can connect to MSN, Yahoo, Gmail and Facebook. Available for free and in a pro version with extra features (€2.39).
5. Ireland Rail/ Dublin Buster - Essential travelling apps with realtime route and arrival information (€1.59/ free).
6. Entertain Me! - Comprehensive nationwide listings guide from Entertainment.ie (free).
7. Georgina Campbell’s Ireland Guide - Find a good place to eat anywhere in Ireland. This app gets your current location and shows you info and reviews of the best restaurants and café in the area (free).
8. Skype - Essential mobile version of Skype gives your iPhone a cheaper way of making international calls and sending texts while abroad (free).
9. Remote - Use your iPhone to control iTunes on your computer (free).
10. Eirtext - Use your allocated O2, Vodafone, Meteor or Three online texts through your phone (free). The pro version allows international texting and scheduling (€2.99).
11. iGmail - If you don’t use iPhone’s native Mail app, this super-fast Gmail one is for you (free).
12. Bloom - Brian Eno’s musical instrument/composing program/piece of art enables anyone to create musical patterns and melodies by just touching the screen (€2.99)
13. Tweetie 2 – The most fully-featured Twitter app available. Features multiple accounts, image and video sharing, instant loading and lots more (€2.39).
14. Boxcar – The only thing that most Twitter apps don’t do can be fulfilled by Boxcar which sends you push alerts when you get a reply or a message. Also works with Facebook and email (free).
15. Facebook – Update and check your social profile anywhere (free).
16. WifiTrak - Helps you find free and open Wi-Fi hotspots no matter where you are in the world (€0.79).
17. The Secret of Monkey Island – Play the classic Lucasarts PC game on your phone in both updated and classic versions. Get the nostalgia flowing (€2.99)
18. Scrabble – Addictive iPhone version of the classic board game. Play against friends over Wi-Fi too (€2.99)
19. Shazam - One of those apps that makes people want an iPhone. Shazam listens to a song playing from a stereo or radio and within seconds, can tell you what the song is as well as discography and purchase information (Free).