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Freestyle Calculator: Sci & FX icon

Freestyle Calculator: Sci & FX

Formula·Percent·Math·Sync·Tape
US flag US
1 of 1 storefronts
Content in en-US
8 Ratings
5.0
★★★★★
Age Rating
4+
Years
Developer
Language
EN
+22 More
Size
25.4
MB

Information

Apple ID6760956908
Bundle IDcom.foamzou.calcstudio
SellerSeller
Min iOS17.0
Min macOS14.0
Device familiesiphone, ipad
Released2026-04-11
Copyright© 2026 Foam Zou
WebsiteLink ↗
Privacy policyLink ↗

Preview 2 platforms

iPhone 7 images

iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot

iPad 7 images

iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot

What’s New Version 1.3.3

- [New] Result Display: Option to disable thousands separators, with the calculator and converter pages staying in sync - [New] Percent Rule: Added a "Percentage Increase/Decrease" mode, perfect for markup, tax, tip, and discount scenarios - [New] History: Added a "Save history on clear" switch so you can keep history only after pressing = - [Improved] App icon refresh - [Fixed] The "±" key now negates only the last number, matching the iOS native calculator

Description

Freestyle Calculator gives you real-time expression editing on iPhone and iPad. Start typing and watch the result update live — no equals button needed. Move the cursor anywhere in your expression, edit freely, and the preview adjusts instantly. Every calculation is saved with a searchable, annotated history. CORE FEATURES ▸ Real-time preview — see results as you type ▸ Expression editing — backspace, insert, or reposition the cursor ▸ Searchable history — pin, copy, annotate, or reuse any calculation ▸ Unit conversion — length, mass, area, volume, temperature, time ▸ Reference exchange rates — multiple providers with automatic fallback ▸ Widgets — exchange rates and formulas on your home and lock screen PRO FEATURES ▸ Keyboard Studio — rearrange keys, save multiple layouts (Compact / Standard / Scientific) ▸ Theme Studio — 10 keyboard themes, accent colors, key density, dark mode ▸ Custom Formulas — reusable workflows with variables and live FX rates ▸ Sessions — organize work into named groups with notes and pins ▸ Cloud Sync — back up everything to iCloud, restore on any device Always available: real-time preview, full history, unit conversion, and scientific keys. No ads, no accounts, no server dependency. Your data stays on your device by default. Privacy Policy: https://apps.foamzou.com/freestyle-calculator/privacy/ Terms of Use: https://apps.foamzou.com/freestyle-calculator/terms/

In-App Purchases US pricing

CalcStudio Pro Subscription
Annual · Yearly 7-day free trial$3.99
Monthly · Monthly$0.99
One-Time Purchases
Small Tip$0.99
Medium Tip$3.99
CalcStudio Pro Lifetime$7.99
Large Tip$9.99

Capabilities

In-App Purchases

Accessibility

ipadiphonemacrealityDevicetvoswatch

Version history 15 versions

Build 887320409v1.3.32026-06-25 07:57:15
- [New] Result Display: Option to disable thousands separators, with the calculator and converter pages staying in sync - [New] Percent Rule: Added a "Percentage Increase/Decrease" mode, perfect for markup, tax, tip, and discount scenarios - [New] History: Added a "Save history on clear" switch so you can keep history only after pressing = - [Improved] App icon refresh - [Fixed] The "±" key now negates only the last number, matching the iOS native calculator
Build 886939959v1.3.22026-06-14 23:21:39
- [New] Custom Keyboard: Added a "00" key that you can place on your keyboard to quickly enter two zeros - [New] Sharing: Turn any calculation into a beautiful image card and share it in one tap - [New] Unit Conversion: Added "Data Size" conversion, with a switch between 1024 and 1000 conversion rules - [Fixed] iOS 17: Fixed an issue where tapping "Keyboard Gestures" in Advanced Settings did not respond
Build 886814471v1.3.12026-06-11 19:21:15
- [Fixed] Device heating up and faster battery drain during extended use in some cases - [Fixed] Choppy animations when opening Settings or switching keyboards with the Frost theme - [Fixed] Clearing an expression after relaunching the app could create a duplicate history record
Build 886434667v1.3.02026-06-02 20:00:57
[New] Voice readout: hear each key and the result spoken aloud — pick a system voice you like, toggle it on its own. [Improved] Auto-save: clearing keeps a draft, and your last expression is restored when you reopen the app. [Fixed] A crash when a result overflowed. [Fixed] Swipe gestures could trigger key sounds and haptics by mistake.
Build 885190737v1.2.12026-05-02 18:55:46
- BMI: new Quick mode for instant calculation - Fixed an issue where the Tools page could freeze on iOS 17 - Fixed a few minor issues in the Kinship calculator - UI polish across various screens
Build 885160339v1.1.02026-05-01 19:25:09
- New "Tools" home: Date Calculator, Chinese Kinship Calculator, and BMI Tracker. - Date Calculator + countdowns: save your frequent dates and start/target pairs, then see "X days left / X days since" at a glance. - Chinese Kinship Calculator: 10 key categories covering hundreds of titles, with male/female views and reverse lookup. The spouse-side branch is helpfully tagged "uses wife's title". - BMI multi-profile: age now updates from birthday automatically; new health-range bar and dual BMI / weight trend charts — long-press or drag to inspect every data point. - Every tool can be placed onto the calculator keyboard for one-tap access. - Unit conversion adds the "Energy" category. - History adds "Delete all without notes". - Tap the result area to toggle between number and Chinese uppercase amount. - Keyboard gestures gain more actions, including clear current calculation, clear all history, and jump to the Tools page.
Build 884743125v1.0.82026-04-21 16:25:11
• Fixed an issue where Settings could freeze on some iOS 17 devices. • Copy now supports more customization options, including uppercase Chinese monetary formatting. • Improved keyboard behavior when returning from Tools to Calculator to reduce covered content.
Build 884691865v1.0.72026-04-20 18:07:31
• New automatic theme switching follows your system appearance. • Added the new app icon for a cleaner, more consistent look. • Improved press animations across all themes for smoother key feedback. • Refined the Settings layout so common options are easier to find. • Fixed a classic-theme widget issue where dark appearance did not display correctly.
Build 884644592v1.0.62026-04-18 21:00:45
- Added the new Classic theme, with dark and light styles inspired by the native calculator - Pinned currencies in the exchange-rate list can now be reordered to match your workflow - Exchange overview widgets now show country flags for faster recognition - Refined the Settings layout so common options are easier to find - Added key-click sounds, with a choice of mechanical keyboard switch styles
Build 884583694v1.0.52026-04-16 20:41:38
- Added a 4×6 keyboard layout for more scenarios - Added a result animation toggle so you can choose a steadier display mode - Improved home tab switching smoothness for more responsive tab changes - Fixed display issues when entering decimal points
Build 884550333v1.0.42026-04-15 18:55:23
- Added icons to all currencies, making them easier to scan and find at a glance. - Improved overall performance for smoother typing, switching, and conversions.
Build 884508649v1.0.32026-04-14 20:30:26
- Added many more reference-rate currencies for broader everyday conversions. - Added adjustable haptic intensity so key feedback can match your preference. - Fixed an issue where gestures could make some keys feel less responsive.
Build 884429532v1.0.12026-04-13 00:05:42
- Added a new "Copy after =" option. Choose no copy, result only, or expression and result. - Fixed a bug in scientific calculations. - Made a few usability improvements.
Build 884467845v1.0.22026-04-13 22:52:07
- Added custom gestures to make common actions faster. - Added 15 more exchange-rate currencies for broader conversions. - Fixed an issue where the Copy key could be lost after saving a custom layout. - Improved screen performance and refined the iPad layout.
Build 883625691v1.0.02026-04-11 14:27:51
CalcStudio Pro Annual

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Availability 1 of 1 storefronts

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US en-USFree85.01.3.3

Change log 19 changes · US

releaseNotes updated
- [New] Result Display: Option to disable thousands separators, with the calculator and converter pages staying in sync - [New] Percent Rule: Added a "Percentag
description updated
Freestyle Calculator gives you real-time expression editing on iPhone and iPad. Start typing and watch the result update live — no equals button needed. Move t
subtitle updated
Formula·Percent·Math·Sync·Tape
name updated
Freestyle Calculator: Sci & FX
Version 1.3.3 released
- [New] Result Display: Option to disable thousands separators, with the calculator and converter pages staying in sync - [New] Percent Rule: Added a "Percentage Increase/Decrease" mode, perfect for markup, tax, tip, and discount scenarios
Version 1.3.2 released
- [New] Custom Keyboard: Added a "00" key that you can place on your keyboard to quickly enter two zeros - [New] Sharing: Turn any calculation into a beautiful image card and share it in one tap - [New] Unit Conversion: Added "Data Size" co
Version 1.3.1 released
- [Fixed] Device heating up and faster battery drain during extended use in some cases - [Fixed] Choppy animations when opening Settings or switching keyboards with the Frost theme - [Fixed] Clearing an expression after relaunching the app
Version 1.3.0 released
[New] Voice readout: hear each key and the result spoken aloud — pick a system voice you like, toggle it on its own. [Improved] Auto-save: clearing keeps a draft, and your last expression is restored when you reopen the app. [Fixed] A crash
Version 1.2.1 released
- BMI: new Quick mode for instant calculation - Fixed an issue where the Tools page could freeze on iOS 17 - Fixed a few minor issues in the Kinship calculator - UI polish across various screens
Version 1.1.0 released
- New "Tools" home: Date Calculator, Chinese Kinship Calculator, and BMI Tracker. - Date Calculator + countdowns: save your frequent dates and start/target pairs, then see "X days left / X days since" at a glance. - Chinese Kinship Calculat
Version 1.0.8 released
• Fixed an issue where Settings could freeze on some iOS 17 devices. • Copy now supports more customization options, including uppercase Chinese monetary formatting. • Improved keyboard behavior when returning from Tools to Calculator to re
Version 1.0.7 released
• New automatic theme switching follows your system appearance. • Added the new app icon for a cleaner, more consistent look. • Improved press animations across all themes for smoother key feedback. • Refined the Settings layout so common o
Version 1.0.6 released
- Added the new Classic theme, with dark and light styles inspired by the native calculator - Pinned currencies in the exchange-rate list can now be reordered to match your workflow - Exchange overview widgets now show country flags for fas
Version 1.0.5 released
- Added a 4×6 keyboard layout for more scenarios - Added a result animation toggle so you can choose a steadier display mode - Improved home tab switching smoothness for more responsive tab changes - Fixed display issues when entering decim
Version 1.0.4 released
- Added icons to all currencies, making them easier to scan and find at a glance. - Improved overall performance for smoother typing, switching, and conversions.
Version 1.0.3 released
- Added many more reference-rate currencies for broader everyday conversions. - Added adjustable haptic intensity so key feedback can match your preference. - Fixed an issue where gestures could make some keys feel less responsive.
Version 1.0.2 released
- Added custom gestures to make common actions faster. - Added 15 more exchange-rate currencies for broader conversions. - Fixed an issue where the Copy key could be lost after saving a custom layout. - Improved screen performance and refin
Version 1.0.1 released
- Added a new "Copy after =" option. Choose no copy, result only, or expression and result. - Fixed a bug in scientific calculations. - Made a few usability improvements.
Version 1.0.0 released
expanded screenshot