Free
BMI Calculator
Calculate your Body Mass Index
YOUR EVERYDAY TOOLBOX
Everyday tools.
Beautifully together.
Calculate, convert, create, and get things done. One thoughtful toolbox for your iPhone and iPad, ready whenever you need it.
Free to download · iOS 18 or later
72useful tools
72useful tools
8categories
13languages
No subscriptions
A CLOSER LOOK
Small tasks, sorted.
Convert units, plan a savings goal, or make a QR code. See the tools in action.
Move between everyday units in one clear view.
Explore how regular contributions can grow over time with Savings Planner.
Turn a link or text into a code you can share.
Example: Start with $3,000 and save $750 a month for 12 months to reach $12,000, with no growth assumed.
Example: A QR code that opens https://example.com/menu.
App preview in English
ONE APP. SO MANY POSSIBILITIES.
There’s a tool for that.
Explore the full toolbox, organized around what you want to do.
Calculation
12 toolsFree
Percentage Calculator
Calculate percentages and percent changes
Free
GPA Calculator
Calculate your grade point average
Free
Fraction and Decimal Converter
Convert between fractions and decimals
Free
Speed Calculator
Calculate speed, distance, or time
Free
Calorie Calculator
Calculate daily calorie needs
Free
Average Calculator
Calculate mean, median, and mode
Free
Aspect Ratio
Calculate and resize dimensions
Free
Target Heart Rate Zones
Estimate workout heart rate training zones
Free
Body Fat Estimate
Estimate body fat percentage using body measurements
Free
Pace Calculator
Calculate running or cycling pace
Free
Calorie Burn Estimator
Estimate calories burned during exercise
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Tool availability may depend on your device and permissions.
MADE TO FEEL AT HOME
Less friction. More flow.
A native experience that fits the way you use your iPhone and iPad.
Ready offline
Everyday tools work on your device, without a network connection.
Your business stays yours
No accounts, advertising SDKs, or analytics SDKs. Your tool data is processed on your device.
Your toolbox, your way
Keep favorites close, find tools quickly, and choose the appearance that feels right.
Fits into your day
Reach tools through widgets, Spotlight, Siri, and Shortcuts.
A LITTLE MORE POWER
More tools. One purchase.
Start with 62 free tools. Unlock 10 more with ToolFlow Pro, including PDF Toolkit, Text Extractor, and Savings Planner.
Discover ToolFlow ProA one-time in-app purchase. No recurring subscription. See the App Store for pricing in your region.
All 10 Pro tools
- Income Tax Calculator
- Loan Calculator
- Savings Planner
- Compound Interest Calculator
- Image Resizer and Compressor
- PDF Toolkit
- Text Extractor
- NFC Toolkit
- Measure
- Audio Spectrum Analyzer
A few useful answers
Is ToolFlow free?
ToolFlow is free to download and includes 62 free tools. ToolFlow Pro unlocks 10 additional tools with a one-time in-app purchase.
Does it work without internet?
ToolFlow is built around on-device tools. Everyday calculations and conversions work offline; some tools require compatible hardware or device permissions.
Which devices are supported?
ToolFlow is designed for iPhone and iPad running iOS 18 or later. Hardware-dependent tools vary by device.
How can I get help or suggest a tool?
Visit the support page to contact the developer. Include your device, iOS version, and a short description when reporting a problem. Support
A handy little app. A whole lot of possibilities.
Make room for one toolbox that does more.
Download on the App Store