The fiber tracker for iPhone

Log a meal in seconds, see your soluble and insoluble fiber, and eat more plants every week.

Download FiberKit on the App Store

Free to download. No account needed.

  • 20,000+ foods
  • 2 kinds of fiber
  • 20 plants a week
FiberKit’s Today screen: 24.9 g of a 30 g goal, split into soluble and insoluble

Log in seconds

Search, scan a barcode or take a photo. FiberKit does the counting.

Searching for orange in FiberKit

Search 20,000+ foods

Five national food databases, plus packaged foods by barcode.

A meal photo with the fiber of each food labelled

Snap your plate

AI estimates the fiber in a photo of your meal. Your first scan is free.

Raspberries: 8 g fiber per cup, 1.2 g soluble and 6.8 g insoluble

Both kinds of fiber

Soluble and insoluble grams for any food and any portion.

See what’s working

Fiber adds up over a week, not a meal. FiberKit shows you the bigger picture.

A week of daily fiber totals as a bar chart

Your week at a glance

See which days need a little more.

25 of 20 plants eaten this week

20 plants a week

Different plants feed different gut bacteria. Herbs, nuts and seeds count too.

A 17-day streak on the monthly calendar

Streaks that stick

Reach your goal each day and watch the streak grow.

Private by design

  • No account. Open the app and start logging.
  • Your data stays yours. It lives on your iPhone and in your private iCloud, where we can’t see it.
  • No food in analytics. Usage stats are anonymous and never include what you eat.
Read the privacy policy

On your Home Screen

Widgets show today’s fiber and your streak without opening the app.

FiberKit widgets on the iPhone Home Screen

Free fiber tools

Questions

Is FiberKit free?

Yes. Logging, food search, barcode scanning and this week’s view are free, and your first AI meal scan is too. FiberKit Pro adds AI meal scans (up to 30 a day), your full history, saved meals and CSV export.

Do I need an account?

No. There’s no sign-up. Your log stays on your iPhone and syncs through your private iCloud, which we can’t see.

How much fiber should I eat a day?

Most adults need about 25 to 38 g a day, yet most people get around 15 g. Our free fiber calculator gives you a number for your age, sex and size, and the app sets the same goal for you.

What’s the difference between soluble and insoluble fiber?

Soluble fiber dissolves into a gel that helps with cholesterol and blood sugar. Insoluble fiber adds bulk and keeps things moving. FiberKit shows both for every food.

Where does the food data come from?

FiberKit searches 20,000+ foods from five national food composition databases, led by USDA FoodData Central, and looks up packaged foods by barcode.

Is FiberKit on Android?

Not yet. FiberKit is for iPhone.