MindOne vs HEY Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MindOne
Preview and test mobile applications you've built on a powerful, intuitive platform. This companion app allows for real-time testing and refinement of your projects directly on your mobile device, ensuring a seamless user experience before launch.
- Seamless companion experience
- Real-time testing and updates
- User-friendly interface
- Preview app creations on mobile
- Refine project design and functionality
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The MindOne app is your dedicated companion app for testing the mobile applications. Preview you’ve built using MindOne’s powerful and intuitive platform. This app is made to help you preview and improve your projects, making sure they give you the experience you want. Key Features: - Seamless Companion Experience: Connect effortlessly to your MindOne account and bring your creations to life on your mobile device. The Preview app serves as an essential tool for seeing how your apps look and feel in a real-world environment. - Real-Time Testing: View changes and updates instantly. Fine-tune every aspect of your project by experiencing the design and functionality in real-time, helping you perfect your work before sharing it with the world. - User-Friendly Interface: Navigate easily through your projects and see how they perform on a mobile device. The Previewer’s intuitive layout makes testing simple and efficient, so you can focus on what matters most: creating outstanding digital experiences. Building or editing apps through the MindOne website. This app is solely for testing and reviewing your projects, making sure everything works seamlessly. Test, refine, and elevate your creations with MindOne!
HEY Calendar
This calendar app organizes your schedule around days and weeks, reflecting how people naturally think. It supports habits, highlights important events, and accommodates flexible scheduling for tasks that don't have a fixed time. Enjoy a full-featured experience with unique twists on conventional calendar functions.
- Weekly view focus
- Habit tracking
- Event highlighting
- Flexible scheduling for 'maybe' tasks
- Event countdowns
- Day labels for context
- Color-coded sub-calendars
- Flexible reminders
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Make your day. The all-new HEY Calendar puts time on your side. Week after week, not month after month People think in days and weeks, not months. What’s tomorrow? Later this week? Next week? The HEY Calendar is built around how you think, not how paper calendars were designed. Habits and highlights Establish a habit, stick with it. Circle important events so they stand out. Fill your days with memories or moments — not just events. “Sometime this week” mimics real life Need to get an oil change? Get some cash from the ATM? Write a thank you note? Maybe this week or next, just not exactly sure when you’ll have a chance? HEY knows “maybe” is a real thing. And plenty more The HEY Calendar is a full-featured calendar with many original twists on common — and not so common — conventions. Soon you’ll wonder why all calendars don’t work like this. - Set countdowns for anticipated events - Use Day Labels to add context to days - Set up color-coded sub-calendars - Flexible reminders so you don’t miss out
Screenshots
Verdict
The clearest difference is in-app purchases: HEY Calendar at none against MindOne's 1. HEY Calendar also leads on ratings volume (658 vs 1). MindOne's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and device support 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. MindOne sells 1 in-app purchase, starting at $9.99 per month. HEY Calendar asks for nothing beyond the download.
MindOne holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: HEY Calendar has 658 ratings behind it against 1, so its average is the more settled of the two.
MindOne ships an update every 9 days, HEY Calendar fortnightly. The most recent releases landed on October 2, 2026 and October 22, 2026 respectively.
| Parameter | MindOne | HEY Calendar |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.7 (658 ratings) |
| Positive reviews | — | 56.4% of reviews |
| Number of ratings | 1 | 658 — better |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 — better | 17.2 |
| Further details — not scored | ||
| Size | 113 MB | 64 MB |
| Age rating | 17+ | 4+ |
| Developer | BitRaptors Informatikai KFT | 37Signals LLC |
Customer experience
MindOne
HEY Calendar
Bugs and requests
MindOne
Not enough reviews yet to summarise bugs or requests.
HEY Calendar
Reported bugs
4 issues- Events not showing up on calendar
- Notifications not working as expected
- Frequent crashes and performance issues
- Inability to edit events from external calendars
Requested features
5 requests- Two-way sync with other calendar services
- Ability to set custom recurrence patterns
- Integration with mapping/navigation apps
- Family/shared calendar support
- Calendar widget for quick access
In-app purchases
MindOne
- Monthly Pro Access$9.991 Month
HEY Calendar
No in-app purchases
