CellNotes treats a note as a sequence of typed cells. A paragraph, code example, equation and diagram can each keep a different editing and display mode while belonging to one document. That is a specific answer to a common technical-writing problem: a single plain text box does not always suit every kind of material in a working note.
The app is for people who want those pieces together without assuming they are interchangeable. The attraction is not merely having many formatting buttons, but being able to recognise the kind of content being edited and see how it is rendered.
Based on official store information. We have not tested this app hands-on.
What it does
The official listing includes ordinary text, Markdown, highlighted code, LaTeX mathematics, Mermaid diagrams, images and checklists. Tables, callouts, links and file attachments can be enabled as optional cell types. Hiding types that are not used may help keep the working interface focused on the actual note.
Edit, Split and Preview modes offer different views of the same material. A source-oriented view is useful when changing syntax; a rendered view is useful when reading or checking presentation. Neither view proves that every formula or diagram conveys the right idea, so keep the content itself part of the review.
Storage is described as JSON plus normal image files in a CellNotes folder, with iCloud Drive, local storage or another chosen folder available. That is not the same thing as every note being a plain Markdown file. It does offer a file-based structure that can be inspected and backed up outside the app.
The developer describes retaining both versions when the same note is edited offline on two devices. That is a recovery-oriented response to a conflict, not a promise that all simultaneous changes merge into one perfect document. Existing libraries in the stated .qvlibrary format can be imported, including images, according to the description.
Before you install
Use a representative note before importing a large library. Include the code, image and mathematical notation you actually use. Inspect both editing and preview, then look at the stored folder so you understand which files belong together. A note opening successfully does not establish that every imported asset or cell is intact.
For an equation or diagram, separate syntactic rendering from correctness. Beautifully typeset mathematics can still contain a mistaken expression, and a diagram can render while representing the wrong relationship. The app helps present the material; it does not validate the underlying argument.
Cloud and local storage involve different expectations. If you choose iCloud Drive, understand which devices are working on the same folder and what happens when they reconnect after offline edits. If you choose local files, decide where the independent backup will live. A readable file format is helpful only when the relevant files remain available.
The developer says no account, tracking or advertising is involved and that notes stay in files and the user's iCloud. We have not audited that arrangement. Check optional attachments and any later sharing route separately, because a local note can still contain information that should not leave a private workspace.
Price and access
The linked US listing asks $1.99 for the download. Confirm the current amount and device requirements in your regional store before purchasing. The retained description does not establish a separate subscription tier, but the purchase screen remains the appropriate place to check current terms.
The file-based approach also has a practical cost: someone needs to understand backup and folder organisation. That is not necessarily complicated, but it is part of choosing a notebook rather than assuming that the app's existence guarantees recoverable copies.
Our take
CellNotes looks most useful for a person whose notes regularly mix prose with code, mathematical expressions or diagrams. Typed cells can give that material a clearer structure while retaining an inspectable file arrangement. It may be less compelling if the real need is simply a short list with minimal formatting.
We have not tested rendering, import fidelity, synchronisation or conflict recovery. Start with a small technical example and a copy of any library you import. The important result is knowing how the content remains editable and recoverable, not merely seeing several attractive cell types in a preview.
When a note contains local images, move a copy of the complete folder during an evaluation rather than only one JSON file. Confirm which resources the document needs before treating a single visible file as a complete portable note.
Consider a naming convention for notes that will be read outside the app. A file-based library becomes more useful when its organisation remains understandable to the person making a backup or looking for a document later.
For imported material, choose a sample with the awkward parts included: a diagram, an image and a cell that uses a feature you depend on. A simple text note can pass while the part that justified the migration still needs attention. A portable note format is useful only when its linked attachments travel with it.
Sources
App icon from the official store listing.
