Bottom Line: Nebo turns your scrawl into clean, searchable, editable text better than anything else on a touchscreen — and if you own a stylus, that alone justifies the download. Just don't expect the AI extras or the occasionally sluggish sync to steal the show from the core magic.
The Core Loop
Everything Nebo does well flows from one interaction: you write, and the app understands. That sounds trivial. It is not. The recognition happens with startlingly low latency — words resolve almost as fast as you form them, and the accuracy holds up whether you print neatly or scrawl in a hurried cursive that even you'd struggle to read back. Toggle conversion, and a page of handwriting snaps into crisp typed text you can copy, search, or export. This is the feature. Everything else orbits it.
What elevates Nebo above a clever party trick is the gesture system. Scratch out a word and it vanishes — no eraser tool, no selection box. Draw a vertical stroke to split text, a horizontal one to join it. These aren't gimmicks; they're the connective tissue that makes editing handwritten notes feel less like fighting a PDF and more like manipulating living text. The learning curve is real but short. After twenty minutes, the gestures stop being commands you remember and become reflexes. That's the mark of good interaction design.
The Four Formats
Nebo's decision to ship four document types is both its greatest strength and its clearest source of onboarding friction. Notebooks are the workhorse: structured, paginated, ideal for sequential lecture or meeting notes. Boards throw out the page entirely — an infinite canvas for mind-mapping and messy ideation. Documents are the clever middle ground, where converted text reflows to fit any screen size or orientation, behaving like a real word processor rather than a fixed image. And the PDF markup mode handles annotation duty, letting you scribble across imported documents and — crucially — convert those margin notes to text too.
The problem is that a newcomer opening Nebo for the first time faces a choice they don't yet have the vocabulary to make. Which format? For what? The app doesn't hold your hand through that decision as gracefully as it should. Once you internalize the model, the flexibility is liberating. Getting there takes patience most productivity apps don't demand.
The AI Layer
Then there's the generative AI bolt-on: page summaries, term definitions, auto-built quizzes. This is where I get skeptical. These tools are competent and occasionally genuinely useful — a student cramming from a semester of notes will appreciate the auto-generated quiz. But they feel reactive, a checkbox ticked because 2025 demanded every app grow an AI feature. The summaries are serviceable, not revelatory. The quizzes lean toward surface-level recall. None of it approaches the polish of the core recognition engine, and none of it is why you'd choose Nebo. Treat these as a pleasant bonus, not a reason to buy.
Where It Stumbles
The friction is real. Cloud sync, per user reports and my own experience, can lag — a delay of seconds to minutes before a note appears on a second device, occasionally long enough to make you nervous about whether it synced at all. And those infinite Boards, glorious in concept, can develop minor performance hitches and bugs when a canvas grows genuinely enormous. Push the freeform canvas hard and the app strains. Neither flaw is fatal. Both nag.