an interesting list via @itpro https://www.itpro.co.uk/apps/20011/best-iphone-apps

  • Bear: Powerful writing app for notes, essays, to-do lists and coding wrapped up in a slick UI
  • Genius Scan: Genius scan is your own portable document scanner that uses the iPhone’s camera to create perfectly presented copies of documents, in PDF format.
  • Adobe Acrobat Reader: A file viewer and editor necessary for anyone that works with PDFs on a regular basis.
  • AirWatch Agent: With the rise of BYOD in business, it’s already true that pretty much everyone works with a mobile device. This app helps to control and manage this, improving security at the same time.
  • Dropbox: There are a lot of cloud storage options out there. If you’re not sure which is best for you, check out our more in-depth look at the most popular services.
  • CamScanner Pro: Get high-quality scans using just your iPhone, easily accessible and backed up from anywhere.
  • Citymapper: An app that optimises commutes for users within their town or city.
  • Enlight: Enlight offers a comprehensive toolset aimed at Instagramers, amateur photographers, as well as photo enthusiasts who are after greater power from a mobile image editor.
  • Evernote: This app is here to help you work, but only if you let it. Evernote is an indispensable tool if you use it regularly, but falls flat if you don’t take advantage of its unique features.
  • Invoice2go: Create and send professional invoices using a variety of templates from any of your Android devices. If you have trouble keeping information organised and need a more comprehensive and professional way to track money owed, money paid, and money received, this is the app for you.
  • iPlanner UK: Keeping track of meetings and events is important for everyone, not just those of us who are on the disorganised side; with so many options for customisation, this might be the right app for you.
  • iTranslate Voice —translator & dictionary: This app can help you communicate more efficiently across languages and in a global context.
  • Microsoft Office Lens: A highly accurate cloud-based OCR app –convert documents into editable text straight on your iPhone.
  • Microsoft Outlook: Organising your messages according to what’s important, Microsoft’s official email app is here to make your life easier.
  • Microsoft Word: Edits our documents across multiple devices without losing formatting or data. It’s perfect for users travelling.
  • Signal: You will need this if you need to keep private conversations secret.
  • SwiftKey Keyboard: The smart keyboard replaces your device’s built-in keyboard – and its unnecessary autocorrect functions –with one that adapts to the way you type.
  • Slack —Team Communication: Simple and effective in connecting team members.
  • Twitter:  Update the world on what you’ve seen, heard and done in 140 characters.
  • TapeACall Pro: This app is convenient, easy to use, and allows you to transfer and share recordings, making it essential for calls that you’ll need to reference later.
  • Wolfram Alpha: A vast database of knowledge that is regularly updated.
  • Workflow: Once you get the hang of automating a series of events into one action, your iPhone will become more useful and your life, easier.