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Best Kai Oelfke Apps

8+ iOS apps curated and reviewed

4.7 avg rating
7 free apps
Updated June 2026

Finding the right kai oelfke app can be overwhelming with so many options. We've analyzed 8+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Kai Oelfke

Intermittent Fasting Tracker:#1

Intermittent Fasting Tracker: by Kai Oelfke

Simple 16:8 Fast Timer
Editor's Choice
💪 Health & Fitness
4.9😊(43K ratings)
FreeIn-App Purchases
Intermittent Fasting Tracker: screenshot 1
Intermittent Fasting Tracker: screenshot 2
Intermittent Fasting Tracker: screenshot 3
Intermittent Fasting Tracker: screenshot 4
Intermittent Fasting Tracker: screenshot 5
Intermittent Fasting Tracker: screenshot 6

This app offers a straightforward and private way to track intermittent fasting. It supports iPhone and Apple Watch, providing essential features like widgets, notifications, and progress charts without any advertisements. Ideal for both beginners and experienced fasters, it focuses on a simple user interface to support health and wellness goals.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Straightforward fasting tracking
  • 🔒 No ads or subscriptions
  • 💡 Customizable fasting times

Room to Improve

  • 🐛 Occasional issues with time tracking
  • 💡 Desire for more customization options
  • 💡 Request for monthly/yearly fasting view
Protein Tracker.#2

Protein Tracker. by Kai Oelfke

Protein Calculator & Counter
Strong Contender
💪 Health & Fitness
4.8😊(910 ratings)
FreeIn-App Purchases
Protein Tracker. screenshot 1
Protein Tracker. screenshot 2
Protein Tracker. screenshot 3
Protein Tracker. screenshot 4

Easily monitor your daily protein intake to reach your health and fitness objectives. Log meals, analyze protein content from photos, and view progress with detailed statistics and home screen widgets.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Straightforward protein tracking
  • 💰 Free app with no ads
  • 🔧 Customizable presets for common foods

Room to Improve

  • 🐛 Issues with deleting or editing entries
  • 🔍 Lack of built-in food database for protein lookup
Sleep Cycle Bedtime Calculator#3

Sleep Cycle Bedtime Calculator by Kai Oelfke

Wake Up & Bed Time Schedule
Worth Considering
💪 Health & Fitness
4.0😊(240 ratings)
FreeIn-App Purchases
Sleep Cycle Bedtime Calculator screenshot 1
Sleep Cycle Bedtime Calculator screenshot 2
Sleep Cycle Bedtime Calculator screenshot 3

This app helps you determine optimal wake-up and bedtime based on sleep cycles. It calculates ideal times to go to sleep and wake up to feel more refreshed, considering the average 90-minute sleep cycle duration. You can also customize your estimated time to fall asleep.

What We Love

  • 🆓 Completely free with no ads or data collection
  • 👍 Simple and intuitive user interface
  • 🎯 Accurate sleep cycle calculations based on 90-minute cycles
  • ⚡ Quick and easy to use

Room to Improve

  • 😕 Confusing interface for some users
  • 🐛 Unresponsive touch controls reported
  • 📉 Lacks visual graphs and data visualization

More Kai Oelfke apps to explore

4
Stopwatch°
Stopwatch°
Stopwatch°
Multi Stop Watch
Free

This app provides precise timekeeping with multiple stopwatches for simultaneous activity tracking. It offers a distraction-free full-screen mode and allows data export for analysis. Enjoy a reliable, ad-free, and subscription-free timing experience.

Multiple stopwatchesSimultaneous activity timingFull-screen mode
🔧 Utilities
(59)
free
5
Contacts Address Book: Amicu
Contacts Address Book: Amicu
Contacts Address Book: Amicu
Birthday Reminder Personal CRM
Free

This app helps you nurture your personal relationships by reminding you to stay in touch and celebrate important birthdays. It offers a private and offline experience, allowing you to manage contacts and set custom reminders to keep your social circle strong.

Birthday remindersKeep-in-touch remindersContact management
📊 Productivity
(38)
freemium
6
Delete Emails & Cleaner
Delete Emails & Cleaner
Delete Emails & Cleaner
Zoho Proton GMX AOL
Free

Streamline your inbox with this email management tool. Easily delete, archive, or keep messages with simple swipes and batch actions. Achieve inbox zero and reclaim your time with intelligent triaging, all while ensuring your data stays private.

Swipe to delete, archive, or keep emailsBatch delete, archive, and move emailsIntelligent email triaging
📊 Productivity
(31)
free
7
Expense Tracker & Money
Expense Tracker & Money
Expense Tracker & Money
by Kai Oelfke
Free

Effortlessly track your spending with automatic expense filling based on your location. Gain insights into your financial habits with charts and trends, and export your data easily. Available on iPhone and Apple Watch, this app offers a distraction-free experience.

Location-based expense autofillManual expense entryData export in CSV
💰 Finance
(4)
free