Solves: Calculator for All
On all devices
Free · In-App Purchases
Solves is a well-made calculator app for your Mac, iPhone, iPad, and Apple Watch. It allows you to edit expressions without limitations and get instant results. It keeps your calculation history in sync on all devices and lets you to easily interact with it. All this for free and with no ads!
By purchasing Solves+ you also get:
• Unit Conversion: currencies (with crypto, metals & energy), physical units, and your own!
• History Tools: bookmark, export, auto clear and more
• Fractions
• More Themes
• Advanced Settings
more Family sharing doesn't not work. Tried it on my wife's phone.Edit: pressing restore button didn't work.
Developer Response Make sure Family Sharing is setup properly: wife's account is in your family group and Purchase Sharing is enabled. More: https://support.apple.com/en-us/108774
Family sharing doesn't not work. Tried it on my wife's phone.Edit: pressing restore button didn't work.
Make sure Family Sharing is setup properly: wife's account is in your family group and Purchase Sharing is enabled. More: https://support.apple.com/en-us/108774
Ugly looking. Old-fashioned. Bad colour. Display and shapes could improve a lot.
Developer Response Try other theme options! Go to View → Theme.
Ugly looking. Old-fashioned. Bad colour. Display and shapes could improve a lot.
Try other theme options! Go to View → Theme.
iOS 17. 3. 1 can't open
Now it's fixed!
• Sale until June! Unlock all features!
• See calculated percentages! Turn on "Percent Field" in the settings. (Solves+)
• New options for "Auto Copy Result" and "Auto Clear". (Solves+)
• The "Dark Mode" setting has been moved into "Theme".
• The keyboard shortcuts for history and conversion have been swapped.
2026.5.26 6 days ago
• Spring Sale! 30% off to unlock all features!
• Auto clear history without losing the data! Go to "Hide Old" in the history menu. (Solves+)
• New advanced settings for keyboard, history, and productivity. (Solves+)
• Changes to keyboard shortcuts for side navigation. Press ↑ or ↓. Also press ⌥ to jump to an end.
• Changes to keyboard shortcuts for the conversion source. Press ⌘ ↑ or ⌘ ↓. Also press ⌥ to jump to an end.
2026.3.22 23 Mar
• Keyboard shortcuts for side navigation in history and conversion. Press ↑ or ↓. Also press ⌘ to jump to an end.
• Keyboard shortcuts for the conversion source. Press ⌥ ↑ or ⌥ ↓. Also press ⌘ to jump to an end.
2026.1.11 12 Jan
• Holiday Sale! 50% off Solves+
• The rounding setting has been moved to the result menu (tap the result field).
• History record time in the comment window (OS 26+).
• Support for the menu bar on iPad (OS 26+).
• Small improvements.
2025.12.20 23/12/2025
• 30% off Solves+ until October 24th!
• Support for iOS 26! Glass buttons can be disabled in theme settings.
• The "Text Animation" setting is now available for free!
• Small fixes and improvements.
2025.10.21 22/10/2025
• 30% off Solves+ for 5 days!
• Support for iOS 26! Glass buttons can be disabled in theme settings.
• The "Text Animation" setting is now available for free!
• Some fixes and little improvements.
2025.10.20 21/10/2025
• 50% off Solves+ until September 5th!
• Pastel color themes (Solves+).
• Floating buttons effect (Solves+).
• Gray (or black & white) theme (Solves+).
• Theme style setting.
2025.8.31 02/09/2025
• Sale! 50% off Solves+ for 5 days!
• Text alignment settings for history and conversion (Solves+).
• Reorder conversion units even when has an input (iPad & Mac; Solves+).
2025.7.27 28/07/2025
• Prices on oil, gas, and metals! You can find them in the "Currency" category by searching "energy" and "metal" (Solves+).
• Small improvements.
2025.7.1 01/07/2025
• Sale! 30% off Solves+ for 3 days only!
• Create your own conversion units and categories (Solves+).
• 20 major crypto currencies (Solves+).
• The control button settings are now available for free!
Learn more:
• Threads: ovbarinov
• Bluesky: olegbarinov.me
2025.6.15 16/06/2025
• Spring Sale! 30% off Solves+ until May 10th!
• Minor fixes and improvements.
2025.4.29 29/04/2025
• Sale! 30% off Solves+ for 2 weeks!
• Fraction and other new result formats! Tap on the result field to choose (Solves+).
• The division symbol changed to "/" (by default) to make it easier to distinguish from the "+" sign.
• Choose preferred symbols for multiplication and division (Solves+).
• Hide equal signs from results (Solves+).
• Copy equation or result without formatting (no exponent and digit grouping) from the result menu.
• Open multiple app instances on iPad and Mac.
Follow for updates!
• Threads: @ovbarinov
• Bluesky: olegbarinov.me
2025.4.25 25/04/2025
• 30% off Solves+ for 3 days only!
• New keyboard settings. Check out the "Control Buttons" section (Solves+).
• Bolder font weight type (Solves+).
• Priority settings for the clearing gesture (Solves+).
2025.2.25 25/02/2025
Small fixes and improvements.
2025.2.2 03/02/2025
– Repeat simple expressions by pressing "=". Accessible only when "C" and "=" are separated (settings → control buttons → select "Always" or turn on "Separate Clear Button").
– The "Separate Clear Button" setting now also applied on Apple Watch (Solves+).
– Separate font weight settings for expression, result and keyboard (Solves+).
– Full conversion unit names are now shown in the comment editor (Solves+).
– The comment editor now also shows which angular unit was used during the calculation.
– Swipe down to save a comment (no need to press the "Done" button).
2025.1.11 12/01/2025
– Holiday sale ends in 7 days! 40% off Solves+
– Full support for Japanese and Korean!
2024.12.31 02/01/2025
– Holiday Sale! 40% off Solves+
– Ability to make fonts bolder (Solves+).
– Ability to set different font sizes for expression and result (Solves+).
– Ability to filter history records by the presence of a comment (Solves+).
– Ability to clear history with filters (Solves+).
2024.12.20 21/12/2024
– Solves+ now supports Family Sharing!
– Ability to have a separate "C" button instead of combining it with "=" (Solves+).
– Ability to hide the function buttons when the keyboard is expanded (swipe left).
– Ability to hide the history when it's on the left on iPad (swipe left).
– Ability to go again through the introductory guide. Press the "Open Guide" button inside the "About" section of the app's settings.
– The "Clear History" button is now located in the history menu.
– The advanced settings are now located in a separate section.
2024.11.17 17/11/2024
– Sale! −30% on Solves+ for 5 days only!
– Small fixes and improvements.
2024.10.27 29/10/2024
Minor fixes and improvements.
2024.10.15 16/10/2024
Fixed lock screen widget for iOS versions below 18.
2024.10.10 11/10/2024
– Sale! −30% on Solves+ for 3 days only!
– iOS 18 support! Now the app can be added to the control center.
– Quick set a unit as the conversion source by tapping its right edge (Solves+).
– Swipe up on the display area to clear and keep the history shown.
2024.9.25 25/09/2024
Minor fixes and improvements.
2024.9.1 02/09/2024
New keyboard layout! If you prefer the old one, turn on "Control Buttons" in the settings.
2024.8.19 20/08/2024
Last day of Sale! -50% on Solves+
– Interactive animations for showing history and switching keyboards.
– Minor fixes and improvements.
2024.7.19 19/07/2024
• Sale until June! Unlock all features!
• See calculated percentages! Turn on "Percent Field" in the settings. (Solves+)
• New options for "Auto Copy Result" and "Auto Clear". (Solves+)
• The "Dark Mode" setting has been moved into "Theme".
• The keyboard shortcuts for history and conversion have been swapped.
more Version 2026.5.26 6 days ago
Data Not Collected The developer does not collect any data from this app.