Built for speed, control, and clean data

Track calories and macros without the friction.

Octi8 is a calorie and macro diary built for people who want speed, control, and data quality without fighting their app. Log food faster with smart search, barcode scan, serving-based entries, recipe support, and a diary designed for real daily use.

  • Fast local-first search, barcode scan, and smart quantity prefills
  • Mobile-first logging flow that still works properly on desktop
  • Full control over your meals, goals, data, language, and timezone
Real app screens
Desktop screenshot of the Octi8 insights view showing the last 7 days of macros and calories.
Mobile screenshot of the Octi8 insights view showing the last 7 days of macros and calories.
Screenshot set

Insights view for the last 7 days

Charts for calories and macros make weekly patterns visible without hiding the detail behind a complicated reporting screen.

Free daily logging, foods, recipes, and core tracking
Pro upgrade inside the app for advanced insights and goals
100% data hosted and processed in Germany
Privacy-first nutrition tracking

Not just another calorie app

Most calorie trackers are bloated, slow, ad-heavy, or too simplistic. Octi8 is different because it is built around actual logging flow: fast local-first food search, remembered meal selection, last-used quantities, serving-aware entries, recipes, sharing, insights, and a mobile-first interface that still feels strong on desktop.

Free or Pro

Free vs Pro at a glance

Start with the free plan for everyday tracking. Upgrade inside the app only when you need the advanced workflow.

Feature Free Pro
Insights
How much analysis is included.
Basic insights: calories plus top 5 foods for calories and macros All current Insights features from the app
Goal setup
How precisely you can tailor targets.
Default daily goals Specific daily goals
Fiber, potassium, salt limits
Fine-grained micronutrient target tuning.
Not adjustable Min and max values are adjustable
Health sync
Connect external health data including sleep and HRV.
Not included Google Fit and Health Connect sync, including sleep and HRV where available
Friend sharing
Share diary access with selected people.
Not included Included
Meal customization
Control your meal structure.
Standard meal setup Rename meals and add arbitrary extra meals
Privacy-first nutrition tracking

Private, flexible, and built for real-world use

Octi8 gives you stronger real-world flexibility without losing control. It supports custom foods, recipes, shared foods and recipes, friend access, barcode search, language support, timezone-aware tracking, and Health integration while keeping the interface focused.

  • Responsive layouts optimized for smaller screens
  • Desktop views with more room for history and comparison
  • No marketing-tracker clutter on the page
Food data sources

Transparent food data sourcing

The food database is based on Open Food Facts and BLS4. Mentioning the source matters because nutrition tracking only feels trustworthy when people understand where food data comes from and how transparent the sourcing is.

Privacy-first nutrition tracking

GDPR compliance and German hosting as active trust signals

All customer data remains hosted and processed in Germany. Octi8 presents GDPR compliance as a meaningful product commitment: predictable handling, a clear legal basis, and a hosting footprint that supports strong data protection expectations for European users.

Start free. Upgrade to Pro inside the app when you need more.

Free to start, Pro when you need more

Create a free account on the website and upgrade to Pro later inside the app. The free plan covers everyday calorie tracking, while Pro unlocks advanced insights, goals, health sync including sleep duration and HRV where available, and sharing.

Free / forever

Use Octi8 for free and unlock Pro inside the app when you need advanced tracking.

Start free. Upgrade to Pro inside the app when you need more.

Start free and grow into Pro

You do not need to buy before you can use Octi8. Start with the free plan, see whether the logging flow fits your routine, and upgrade to Pro inside the app only if you want the advanced feature set.

Create free account
Answers to the questions people usually ask before creating a free account.

FAQ

What is included for free?

The free plan includes calorie tracking, foods, recipes, diary logging, and basic insights with calories plus the top 5 foods for calories and macros.

What makes Octi8 different?

It is built around fast real-world logging: local-first search, smart prefills, serving-aware entries, recipe support, strong data quality, and useful insights.

Where is my data hosted?

All customer data stays hosted and processed in Germany.

What does Pro unlock?

Pro unlocks the full Insights view, specific daily goals, adjustable fiber, potassium, and salt limits, Google Fit and Health Connect sync including sleep duration and HRV where available, friend sharing, custom meal names, and arbitrary extra meals.

Can I share my food diary with a friend or my coach?

Yes, with Pro. Octi8 supports diary sharing so selected friends or coaches can view shared diary data, and shared access stays under your control.

Can I create my own recipes?

Yes. You can build your own recipes, calculate them from ingredients, and add them to your diary with serving-based handling.

Can I add my own foods?

Yes. Octi8 lets you create your own foods with per-100g or per-100ml nutrition values and optional serving information.

Can I set goals for my calories and/or macronutrients?

Yes. You can define calorie and macro goals, use weekly goal scenarios, and compare your diary totals against those targets.

Can I import my weight and body fat percentage from Google Fit?

Yes. Octi8 can import weight and body fat percentage from Google Fit after you connect your account and grant access.

Installing the app on Android

Open Octi8 in Chrome on your Android device. Then use the browser menu and choose "Install app" or "Add to Home screen". After installation, Octi8 opens like an app from your home screen.

How do I install Octi8 on Android?

Open the Octi8 page on Google Play and tap "Install". After the installation finishes, launch Octi8 from your app drawer or home screen. Play Store link: https://play.google.com/store/apps/details?id=com.opencalories.app&pcampaignid=web_share

Installing the app on iPhone

Open Octi8 in Safari on your iPhone. Tap the Share button and then choose "Add to Home Screen". After that, you can launch Octi8 directly from your home screen like an app.

Read the FAQ
Privacy-first nutrition tracking

Questions before you start?

Use the contact form for product, privacy, or onboarding questions. The team can help with individual use cases and rollout plans.

Octi8 octopus mascot thinking about a customer question.