MexarHelp Center
Support for Unfed, VoiCal, ShrimpKeeper and Aurora Now mobile apps. For a custom business application, contact Mexar.
Need help with one of our applications?
Contact us
For any question, bug report or suggestion.
Response time : 24-48 business hours
FAQ by application
Unfed
Intermittent fasting app with metabolic phase visualization
How do I set up end-of-fast notifications?
Go to Settings > Notifications and enable end-of-fast alerts. You can customize the reminder delay before the end of your fasting period.
How do I use the iOS and Android widgets?
On iOS, long-press your home screen, tap '+' and search for Unfed. On Android, long-press your home screen and select Widgets > Unfed.
How do I upgrade from the free version to PRO?
Open the app, go to Settings > Subscription and select the PRO plan. The subscription will be managed through your App Store or Google Play account.
How do I track my metabolic phases in detail?
Metabolic phase visualization is accessible from the main screen during an active fast. Tap the progress circle to see the detail of each phase.
VoiCal
Voice calorie tracking with 95% accuracy in 15 seconds
How does voice recognition work?
VoiCal uses a voice recognition model that analyzes your food description and automatically identifies the corresponding ingredients, portions and nutritional values.
ShrimpKeeper
Mobile app for freshwater aquarium shrimp enthusiasts
How do I add a new shrimp species?
In the Collection tab, tap the '+' button and select the species from the catalog or create a custom entry with recommended water parameters.
How do I export my breeding data?
Go to Settings > Data > Export. You can choose CSV or PDF format for exporting your breeding data and water parameters.
How does TDS parameter tracking work?
Enter your TDS readings in the Parameters section of each aquarium. The app generates evolution charts and alerts you if values go outside the recommended range.
How do I contact technical support?
Send an email to support@mexar.fr specifying the application name and a detailed description of your issue. We respond within 24-48 business hours.
Aurora Now
Northern lights alerts 40 minutes in advance
How do I change my location preferences?
Open Settings > Location and select your position manually or enable automatic geolocation for alerts adapted to your current location.
How do I add a new location for alerts?
In Settings > Locations, tap 'Add a location' and search for the desired city or GPS coordinates. You can have up to 5 active locations.
How does forecast accuracy work?
Our forecasts rely on real-time solar data (Kp index, solar wind speed) to estimate the probability of northern lights visible at your position.
How do I report a location error?
Send an email to support@mexar.fr with the GPS coordinates concerned and a description of the error. We will correct the data as soon as possible.
Other request
For any question not related to a specific application, contact us directly: