Keyboard² vs UnitPro

Keyboard² is a custom keyboard that enables you to play the keyboard on your iPhone & iPad! [Function] - You can enter numbers and mathematical symbols. - You can enter the musical scales of ABC music notation. - You can play sound. - You can play a chord. [Attention] - You have to do the additional procedure of Keyboard² to use it. (Preferences -> General -> Keyboard) - Then, you also have to turn on the "Full Access" for Keyboard². * Please don’t worry - we do not collect your data at all. [Support] - Please do not hesitate to contact us for any defect reports or questions/requests. - We will consider any requests for additional functions.

The only unit converter you'll ever need. UnitPro handles 10 categories of conversions — all offline, no ads, no accounts. SUPPORTED CATEGORIES: • Length (m, ft, mi, km, in...) • Mass (kg, lb, oz, g, ton...) • Temperature (°C, °F, K) • Area (m², ft², acre, hectare...) • Volume (L, gal, mL, cup...) • Speed (km/h, mph, m/s, knot...) • Time (s, min, hr, day, week...) • Data (B, KB, MB, GB, TB...) • Energy (J, cal, kWh, BTU...) • Currency (30+ currencies with offline snapshots) FEATURES: • Smart input with unit suggestions • One-tap reverse and copy/share • 200-entry searchable history • Favorites with Quick Pick on home • Bilingual: English and Chinese • Works 100% offline — perfect for travel Whether you're an engineer doing precise calculations, a traveler converting currencies on a plane, or a student working on homework — UnitPro has you covered.