ROSPE vs Metrivea

The ROSPE is the solution for memory expansion on iOS device. It's provides two-way storage between iOS and MAC/PC without Wi-Fi, network signal. Compatible with virtually all devices featuring a Lightning connector, this ultra-slim and fast flash drive enables users to seamlessly transfer, view and share documents, images, video and audio files between a multitude of gadgets. Play music and videos directly from the freeing up space on your devices.

Looking at a recipe and wondering "how many ml is 1 cup?" Checking the weather abroad and confused by "68°F?" Shopping online and unsure about "5.5 inches?" metrivea instantly solves these everyday questions. Simply enter a number. Results appear in real-time. No complicated steps. 17 categories with over 100 units: length, weight, temperature, volume, area, time, speed, data, pressure, energy, fuel economy, angle, frequency, power, illuminance, density, and flow rate. From daily use to professional needs. Save your frequent conversions to favorites for one-tap access. Conversion history is automatically saved, so you can recall previous calculations anytime. No internet required. Use it on a plane, underground, anywhere. Cooking, traveling, working, studying. Remove unit barriers everywhere.