Free
Aspect Ratio
Calculate and resize dimensions
iPhone · iPad
Your everyday toolkit.
73 tools. One app.
Calculate, convert, scan and create with 73 practical tools for iPhone and iPad. No ads. No account.
63 free tools · 10 Pro tools · One-time unlock
73useful tools
8categories
13languages
No subscriptions
SEE THE TOOLS IN ACTION
Calculate. Convert. Create.
Convert units, split a bill or create a QR code. Useful results, without the busywork.
Native app previews · iPhone and iPad
Switch between everyday units and see the result straight away.
Add a tip and see what each person pays.
Turn a link or text into a QR code to share.
Example: A $90 bill with a 20% tip comes to $108 total, or $36 each for three people.
Example: A QR code for ToolFlow on the App Store.
Explore all 73 toolsLEARN WITH TOOLFLOW
Put a free tool to work.
Follow a practical example and watch it in the native app.
FIND THE TOOL YOU NEED
73 tools. One place.
Search by name or task, or browse eight categories. Start with 63 free tools.
Calculation
12 toolsDownload on the App Store
63 free tools · 10 Pro tools · One-time unlock
Free
Average Calculator
Calculate mean, median, and mode
Free
BMI Calculator
Calculate your Body Mass Index
Free
Body Fat Estimate
Estimate body fat percentage using body measurements
Free
Calorie Burn Estimator
Estimate calories burned during exercise
Free
Calorie Calculator
Calculate daily calorie needs
Free
Fraction and Decimal Converter
Convert between fractions and decimals
Free
GPA Calculator
Calculate your grade point average
Free
Pace Calculator
Calculate running or cycling pace
Free
Percentage Calculator
Calculate percentages and percent changes
Free
Speed Calculator
Calculate speed, distance, or time
Free
Target Heart Rate Zones
Estimate workout heart rate training zones
No tools found. Try another search.
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.
No ads. No account.
No account, ads or tracking. Tools process data 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 63 free tools. Unlock 10 more with ToolFlow Pro, including PDF Toolkit, Text Extractor, and Savings Planner.
View ToolFlow on the App StoreA one-time in-app purchase. No recurring subscription. See the App Store for pricing in your region.
All 10 Pro tools
- Audio Spectrum Analyzer
- Compound Interest Calculator
- Image Resizer and Compressor
- Income Tax Calculator
- Loan Calculator
- Measure
- NFC Toolkit
- PDF Toolkit
- Savings Planner
- Text Extractor
A few useful answers
Is ToolFlow free?
ToolFlow is free to download and includes 63 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
One useful app. Ready when you are.
Start with 63 free tools for iPhone and iPad.
Download on the App Store