Plan M8 vs CalCheck
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Plan M8
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Yacht Maintenance Made Easy - Designed for marine engineers, captains and owner or operators. Improves reliability, saves time, and creates transparency. Implementing a structured planned maintenance schedule such as Plan M8 not only ensures your equipment and machinery on board is maintained through continuous monitoring at all times, It assures all your yacht maintenance is planned. Plan M8 provides a comprehensive and structured task-based scheduling of all required, recommended and manufacturer specific planned maintenance tasks of a vessel's components. Plan your maintenance ahead of time, pre-order spares and never miss a component with our pre-generated templates for your vessel. You will see a reduction in downtime and the need for emergency repairs as equipment is maintained before it fails. Operating costs are reduced as optimum service life is given to components. As you continue to use Plan M8, a detailed maintenance log of your vessel is being build. Proper records will be kept that can be easily passed onto new crew, contractors, surveyors, and prospective buyers. Get more transparency about your yacht maintenance status with all involved through our easy-to-use application; your "Plan Mate".
CalCheck
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CalCheck ensures your calendars stay in sync across all your iOS devices. Never wonder if your events are up-to-date again! Install on more than one device, and they verify each other. This smart verification tool creates a special test event that moves through time, allowing you to instantly see if your calendar sync is working properly. Perfect for professionals, families, and anyone managing multiple devices who needs reliable calendar synchronization. KEY FEATURES: ⢠Automatic sync verification every 2 hours ⢠Real-time detection of other devices' sync status ⢠Push notifications 24 hours before sync checks ⢠Track sync history with detailed timestamps ⢠See all your devices and their last sync times ⢠Background sync monitoring - works while you sleep ⢠Clean, simple interface showing last 30 days of events ⢠Support for multiple calendars ⢠Works with iCloud, Exchange, and other calendar services HOW IT WORKS: 1. Select your calendar for monitoring 2. CalCheck creates a verification event 14 days in the past 3. The app checks if this event syncs across your devices in the background automatically 4. Get notified if sync issues are detected 5. View other devices' sync status in real-time (need to be installed on two or more iPhones or iPads to work, connected to the same calendar) Perfect for: - Business professionals with iPad and iPhone - Families sharing calendars - Anyone who's missed appointments due to sync issues - IT administrators managing device fleets Never miss an important event due to sync failures again. CalCheck runs quietly in the background, giving you peace of mind that your calendar is always up-to-date.
Screenshots
Verdict
Plan M8 and CalCheck are too close to call on the numbers: across 5 compared parameters ā price, ads, in-app purchases and device support among them ā neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Plan M8 | CalCheck |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | ā |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 ā better | 15.6 |
| Further details ā not scored | ||
| Size | 51 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | coara OU | Morten Punnerud |
In-app purchases
Plan M8
No in-app purchases
CalCheck
No in-app purchases









