Apps for Organization and Planning

     
iPrompts iPrompts®, the original app for visual support, is used by special educators, therapists and parents of those benefiting from visual structure, including individuals with Autism. 
     

VoCal

The original, best and most trusted personal reminder app available. 
Your reminders, in your voice, in your words, delivered on time, every time. Speak, don’t type!
     
Time Timer The Time Timer is a remarkably easy timer app for iPhone and iPod Touch.
The Time Timer app displays time as a red disk that quietly gets smaller as time elapses. Children as young as three understand that when the red is gone, time is up!
     
Due This app lets you quickly set auditory reminders and will continue to notify you of the task until you complete it.
     

Epic Win

EpicWin is a streamlined to-do list, to quickly note down all your everyday tasks, but with a role-playing spin. So rather than just ticking off your chores and reminders, completing each one earns you XP to improve and develop your character in an ongoing quest to improve stats, gain riches, and level-up. 

     
Good Notes 4 GoodNotes lets you take notes and annotate PDF documents. They will be synced to all your iOS devices automatically, thanks to iCloud. Mac client is coming soon.
     
Brevity How can you write "magnificent" with 3 letters?  Brevity.
Brevity helps you write text several times faster.  It works on the principle that most words can by uniquely identified using less letters than they actually contain and it let's you write them that way.
     

Good Reader GoodReader® is the super-robust PDF reader app. Mashable describes it as “a Swiss Army knife of awesome!” Reviews worldwide hail it as “essential,” “the best,” “magnificent” and “the killer app”.
     
Clear

Clear is the revolutionary to-do and reminders app that makes you more productive. It’s as easy to use as pen and paper, and once you start organising your life with Clear you’ll wonder how you ever managed without it.

     
Dragon Dictation Dragon Dictation is an easy-to-use voice recognition application powered by Dragon NaturallySpeaking that allows you to easily speak and instantly see your text or email messages. In fact, it’s up to five times faster than typing on the keyboard.    
     
Remember the Milk Take your to-do list anywhere with this feature-packed app; never forget the milk (or anything else) again. Remember The Milk (RTM) for iPhone, iPod touch and iPad connects with the popular online service of the same name. 
     
Momento Keeping a private diary / journal has never been so easy. Momento helps you privately capture your daily activities, thoughts, ideas and photos, and combines them with your activity from social networks to create a complete and unified timeline of your life.
     
Dropbox Dropbox lets you bring all your photos, docs, and videos anywhere and share them easily. Access any file you save to your Dropbox from all your computers, iPhone, iPad, and the web. 
     
30/30 Simple. Attractive. Useful. 30/30 helps you get stuff done! You set up a list of tasks, and a length of time for each of them. When you start the timer, it will tell you when to move on to the next task. That’s it!  
     
Mint Billed as “The best free way to manage your money,” Mint.com allows you to track, budget and manage your money all in one place, so you can see where you’re spending and where you can save.