Delta Calendar
Lojas Software Corp Productivity iPhoneiPadiPod touch
Delta Calendar is a free Productivity app for iPhone and iPad by Lojas Software Corp. Requires iOS 17.6. Updated September 10, 2025.
- Price
- Free
- on the App Store
- Size
- 22 MB
- Age 17+
- Updated
- Sep 10
- 2025 · v1.7.118
Screenshots
About Delta Calendar
Delta Calendar: Your Personal Life Analytics Tool Delta Calendar empowers you to track a wide range of daily activities—from one-time events like meals to recurring habits, your daily intake (like supplements or caffeine), and environmental factors like location and weather—to uncover their impact on your health and performance. Whether you’re exploring how your morning coffee influences attention, how exercise boosts your chess ranking, or how your surroundings affect memory, this app provides a robust framework to log, analyze, and optimize your lifestyle. Key Features and Functionality Intuitive Calendar Interface: Log one-time events (e.g., a workout), recurring habits (e.g., meditation), duration-based events (e.g., employment duration), and environmental changes with ease. Categorize and tag entries to focus on what matters most to you. Detailed Intake Tracking: Monitor items like caffeine, medications, or supplements with detailed pharmacokinetic data (peak time, half-life) and customizable routines to manage daily schedules. Understand how what you take affects your body and mind. Custom Metric Tracking: Define and track personalized metrics like memory, attention, or performance indicators. Create a dataset tailored to your unique goals and lifestyle. Optional Integrations: Connect to HealthKit for automatic step tracking or link your Chess.com username to monitor ELO ratings alongside your daily activities. Environmental Insights: Automatically or manually log your location and weather data (e.g., temperature) to see how your surroundings influence your well-being and metrics. Powerful Analytics Engine: Discover correlations between events and metrics—like how screen time affects focus or weather impacts mood—with clear visual reports spanning daily, weekly, or monthly views. Flexible Data Views: Analyze your data across different timeframes to gain both immediate insights and long-term trends, helping you make informed decisions. Why Use Delta Calendar? Unlock a deeper understanding of how your choices, routines, and environment shape your health, cognitive abilities, and performance. Whether you’re a self-improvement enthusiast, a data-driven professional, or simply curious about your lifestyle, Delta Calendar equips you with the tools to optimize your well-being and achieve your goals. Get Started Today Start tracking today to reveal the patterns that define your life. Your path to a smarter, healthier you begins now! By downloading this app, you agree to the Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
What’s new
Version 1.7.118 · Updated September 10, 2025
-New AI Reports. -New Create an Account. -New Research Mode. -Added import "Import Data from Backup" and "Delete All Data" buttons to settings. -Improved Settings UI. -Removed Shop Tab
App privacy
The developer, Lojas Software Corp, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
- Diagnostics: Crash Data, Performance Data
- Health & Fitness: Health, Fitness
- Location: Precise Location, Coarse Location
- Contact Info: Email Address
- User Content: Customer Support, Other User Content
- Identifiers: User ID, Device ID
Used for: Analytics, App Functionality
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Delta Calendar | – | Free | September 10, 2025 | |
| Timetracker - 24h Life Tracker | 5.0 / 5 (1) | Free | Oct 8, 2026 | Compare |
| Plus One by Speer.io | – | Free | Sep 9, 2026 | Compare |
| NowLoading: Progress Tracker | 5.0 / 5 (1) | Free | Apr 9, 2025 | Compare |
| elia Mobile | – | Free | Sep 24, 2026 | Compare |
| Text Translate Chat Translator | 3.7 / 5 (19) | Free | Aug 11, 2026 | Compare |
| Habit — Daily Tracker | 3.7 / 5 (2,408) | Free | Sep 16, 2026 | Compare |
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