Apps > Paid Apps > Productivity

Price: $2.99

Category: Productivity

Updated: May 25, 2012

Version: 2.1

Size: 3.7 MB

Seller: Acqualia Software

Rated 4+

Requirements: Compatible with iPhone, iPod touch, and iPad.Requires iOS 5.0 or later.

Customer Ratings

Current Version

(175 Ratings)

Soulver – the notepad calculator by Acqualia

Soulver - the notepad calculator Screenshots


Soulver is the ultimate app for doing quick calculations and figuring stuff out on the iPhone. It's a far more elegant way to work with numbers than a traditional calculator.

With Soulver, you write out your entire problem and you see your answer as you type. If you make a mistake, you don't have to start again, you can edit your expression like in a text editor.

You can do calculations over multiple lines, and change any of them. You can use words alongside your numbers so they make sense which it's great for comparing different scenarios.

Soulver is great for adding things up, and doing quick percentages. Soulver will also save your work for you when you're done, and sync it to your Mac or iPad using Dropbox.

Once you try Soulver, you'll never want to go back to a simulated physical calculator.


- Instant calculations as you type.
- See all your lines all the time, not just the last number typed in.
- Use words alongside your numbers so they make sense.
- A keyboard with big buttons, designed for quick math.
- Do currency conversions.
- Easy percentages like $49.95-20%, or $55 as a % of $350
- Set up relationships between lines like in a spreadsheet using line references.
- See a running total and other statistics of all your lines.
- All the standard math functions, like sin, cos, tan, log, mod, E, , etc .
- Do programming calculations in hex, binary.
- Save your work.
- Send out beautifully formatted HTML emails of your math work.
- File sharing through iTunes, Dropbox sync, or email with the Mac & iPad versions of Soulver.

Checkout Soulver for Mac and iPad too at

What's New in Version 2.1

Main Interface:
- You can now use Soulver in landscape
- New action button in the Soulver view to access the settings, help & sharing.
- Visual improvements to the variables editor
- Line reference inserting mode will insert the line reference when you lift your finger, rather than when you put it down.

- Keyboard bar now hides when the keyboard is not visible
- Keyboard no longer comes up automatically when going to a saved file
- Spell-checking/autocorrect is now active when the alphabetical keyboard is selected
- Smart editing features (smart spaces/delete/operator insertion/brackets) now work when using the alphabetical keyboard as well.

- Soulver behaves more like the Notes app, with regards to empty files
- The chosen statistic is now saved into the file
- The visible keyboard is now saved into the file
- Improvements to adding/removing files through iTunes
- General improvements to Dropbox syncing

- Added 90 additional currencies
- Currencies keyboard now only converts your answer into all other currencies if your answer has a currency.

- Simplified settings view
- Added a setting to always show the line numbers
- You can now move the number keyboard as well
- You add/remove/rearrange currencies in Soulver's settings, rather than in the keyboard itself.

- Added AirPrint support
- When emailing, the subject field is now blank

Other Improvements & Fixes:
- Fixed a bug where menus would flash sometimes
- Minor improvements to Soulver's calculation engine
- Many other misc improvements & optimisations

Customer Reviews

Update made iOS version as good as os x version (5 stars)
Very easy and useful. Turn on "other units" in settings to make this deserve the 5 stars

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