Size guide
What size planner fits the Boox Nova Air?
SOur S size is recomposed for small screens, not shrunk.
The Boox Nova Air's writable area is about 119 × 158 mm. Our S size is drawn for exactly this class of screen — so the file we generate uses every millimetre, and your handwriting stays at the size you actually wrote it.
Our sizes, at true relative scale
Every rectangle below is drawn to true relative physical scale. The dashed outline is the Boox Nova Air.
Boox Nova Air: 7.8″ · 1404×1872 px · ≈ 119×158 mm S / M / L / A4 — true mm
One more thing this page knows Boox’s own archived compatibility rosters confirm this device only to firmware V3.5; they stopped publishing rosters in Jan 2025, so V4 support is unconfirmed. That matters for handwriting search, which users describe as close to unusable before V4 because nothing is indexed and every query re-runs OCR.
Size guide for another device
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