Name: 10BII Calc HD
Price: 8.99 USD
Author: Ernest Brock

Not ready

Runs in an iPhone-sized window with black bars on both sides.

Built with the iOS 26 SDK or older.

Version: 3.8
Last App Store update: Nov 19, 2025
Checked daily: 2 hours ago

10BII Calc HD

Its iPhone screenshot, from the App Store

10BII Calc HD on the inner screen: runs in an iPhone-sized window with black bars on both sides. It gets 1,127 × 2,007 pixels, drawn to the geometry measured in the simulator.

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How we decide

Release date
Last updated Nov 19, 2025, before the iOS 27 SDK existed, so it can’t fill the screen.

View on the App Store

Is 10BII Calc HD ready for iPhone Duo?

How we know