DailyRetro vs PrincipleX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DailyRetro
This app helps you track habits, record thoughts with photos and markdown, and stay organized with daily reminders. It offers passcode and iCloud support for privacy and data backup.
- Diary keeping with photos and markdown
- Habit tracking for routine management
- Daily reminders and notifications
- Passcode support for privacy
- iCloud support for data backup and sync
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DailyRetro is your all-in-one solution for daily productivity and self-reflection. With an intuitive interface and a range of powerful features, this app makes it easy to track your habits, record your thoughts, and stay organized. Some of the key features of DailyRetro include: Diary keeping: Use DailyRetro to write down your thoughts and memories, with support for photos and markdown formatting. Whether you're looking to record your daily life or reflect on a special event, DailyRetro is the perfect tool for the job. * Habit tracking: Want to stay on top of your daily routine? DailyRetro lets you track your habits and recurring events, so you can build good habits and break bad ones. * Daily reminders: Need a little nudge to stay on track? DailyRetro provides daily reminders with notifications, so you can stay focused and productive throughout the day. * Passcode support: We know how important privacy is to our users, which is why DailyRetro includes passcode support. Keep your diary and habit data safe and secure with this powerful feature. * iCloud support: With DailyRetro, you never have to worry about losing your data. We provide iCloud support for secure data backup and synchronization, so you can access your diary and habit data from anywhere. Whether you're looking to increase your productivity, stay organized, or simply reflect on your daily life, DailyRetro is the perfect app for you. Try it today and start achieving your goals!
PrincipleX
Capture, reflect on, and grow with your personal principles. This app helps you organize your guiding beliefs and build the habit of living by them through daily reminders and journaling.
- Create and organize personal principles
- Manage principles with folders and tags
- Daily principle practice reminders
- Reflective journaling for personal growth
- Pin important principles for daily focus
- iCloud sync across devices
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Saved a great quote, then forgotten it when you needed it? PrincipleX helps you save personal principles, reading highlights and lessons from life. Organize them, revisit them with daily reminders and add your own reflections, so useful ideas become more than a collection. KEEP IDEAS WORTH REMEMBERING Capture a meaningful quote, a lesson from experience or a principle you want to live by. Add details and a source to preserve the context. BUILD YOUR OWN PRINCIPLE LIBRARY Organize ideas with folders and tags. Give thoughts about work, life and reading a place of their own. RETURN TO WHAT MATTERS Set daily reminders to revisit saved principles. You can also keep one principle fixed while you focus on putting it into practice. MAKE ROOM FOR REFLECTION Add your thoughts to each principle: When does it apply? Did you follow it? What could you choose next time? Turn collected ideas into personal understanding. ACCESS PRINCIPLES WITH SIRI On supported systems running iOS 27 or later, allow access to find, read and open saved principles with Siri, or use them in Shortcuts. You decide separately whether to include your reflections. DISCOVER AND SHARE Explore thoughtful ideas and save principles that resonate. Turn a principle into an image to share with friends. With iCloud sync, continue organizing and revisiting your principles across your own devices. Start with one principle you truly want to remember. Siri availability depends on your device, language, region and system settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: DailyRetro at weekly against PrincipleX's monthly. DailyRetro also leads on monetization model (free with in-app purchases vs paid) and device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. DailyRetro sells 1 one-off in-app purchase and PrincipleX sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for DailyRetro against 5.0 for PrincipleX. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
DailyRetro ships an update weekly, PrincipleX monthly. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.
| Parameter | DailyRetro | PrincipleX |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 2 |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, Apple Watch — better | iPhone |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 14 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Liqiang Wang | 旭 夏 |
Customer experience
DailyRetro
PrincipleX
In-app purchases
DailyRetro
- Buy me a coffee$2.99
PrincipleX
- Monthly Plan$2.991 Month
- Annual Plan$14.991 Year
- A Coffee$1.00
- Signature Color$3.00
- Lifetime Access$9.99









