iquran by guided ways (link provided by member AbuMuhammed).Ieathalal is another good app by them.

there is also 13 lines quran  http://itunes.apple.com/gb/app/13-lines-quran/id403070507?mt=8

40 salat & salam  http://itunes.apple.com/sn/app/40-salat-salam/id373300386?mt=8

for the children that may use your iphone/ipod i recommend from the collection developed by Yufid.

http://yufid.org/

An-Nawawi's Forty Hadiths by the same developers is particularly good because it has  audio recitation of the ahaadith.

http://itunes.apple.com/us/app/an-nawawis-forty-hadiths/id369656345?mt=8

 موسوعة الحديث النبوي الشريف an encyclopedia of Hadith. An arabic language app offering a compilation of the the sahaih sittah and many other ahaadith books.This is excellent for when you want to research the reference of a hadith etc.

itunes.apple.com/gb/app/id334904437?mt=8

There are lots of dua apps i have tried and tested but only a few i have felt are nicely laid out.

idua has duas for all occaions;its nicely split up into categories and sub categories and it also has audio for each dua.

http://itunes.apple.com/gb/app/idua/id343211441?mt=8

I no longer have an iPhone,

Alhumdulillah.

But here is something I found, not sure how good or bad they are.

Direct Download

Direct Download

Direct Download

Installation Instructions:

* You will need a Jail-broken iPhone. Jailbreaking is not the same as Unlocking. Jailbreaking simply allows one to have full access to the iPhone including installing 3rd Party Apps.
* Download the AppTapp Installer.app and follow the instructions to copy Installer.app onto your iPhone.
* Next, run Installer.app on your iPhone
* Select 'Sources', press 'Edit', then 'Add', and type in http://www.guidedways.com/iphone
* Accept the installer message and it will show 'Guided Ways Repository' on the sources list (if it doesn't, click on 'sources' again).
* Select 'Install'. You should now see '* Guided Ways *' in the Category list (restart install.app if it doesn't). Select the category and then select 'iPray' from the list
* Click 'install'

ADVANCED USERS:

* Download the Zip file
* If ssh has already been installed on your iPhone, scp iPray.app to /Applications/