ThingViewer
Allows you to easily access and visualize data from ThingSpeakâ„¢ channels.
With ThingViewer you can easily access and visualize data from ThingSpeakâ„¢ channels. App supports both public and private channels, for private channels you have to provide a "read api key".

Features:
• Multiple chart types: line, spline, step, and column
• Per-field chart customization: title, axis labels, decimal rounding, and more
• Edit saved channels without deleting and re-adding them
• Export and import a full backup of your channels and settings
• Pull-to-refresh and a configurable start screen
• Support for light and dark theme
• Date, time, and optional timezone display settings
• and more to come in the future releases...