SumizAI vs MyParticularNotes

What MyParticularNotes is

What MyParticularNotes is

MyParticularNotes is a small Windows app that flips the usual way of taking notes — instead of opening a separate app and manually picking which project a note belongs to, MyParticularNotes watches which application you're currently working in and automatically shows the notes tied to it. It's a context-aware tool: a note attached to an Excel spreadsheet appears when that spreadsheet is active, and a note attached to a specific project in a code editor only pops up once that project is open.

Key features

Application context awareness is the heart of this tool — MyParticularNotes recognizes which app is active in the foreground and filters visible notes so only the ones tied to the current work context show up, eliminating scrolling through a long list of unrelated entries. Its lightweight build means the app starts instantly and runs in the background without noticeably taxing the system, which matters for people keeping many programs open at once. Local encryption protects note content on the device itself, without sending anything to the cloud — the whole database stays on the user's disk. Interface simplicity means no sprawling menus or settings — the app does one thing and does it well instead of trying to be a universal productivity hub.

Who it's for

This app works best for people working across many programs on Windows at once — developers switching between different projects in a code editor, analysts juggling several spreadsheets simultaneously, or consultants working across multiple clients in different office application windows. Anyone who values privacy and wants their note data to never leave their computer will also find a good fit here.

Use cases

A developer working on several projects at once assigns separate notes to each — opening a given project in the IDE, they automatically see reminders and comments saved specifically for it, without searching a single long shared list. A financial analyst keeps methodology notes pinned to specific spreadsheets, so opening a given file immediately recalls the assumptions the model was built on. An IT consultant switching between clients' applications throughout the day has contextual notes waiting exactly where they're needed, without manual searching.

Pricing and business model

MyParticularNotes is entirely free, though it remains closed-source (proprietary) software — not an open-source project, but there are no fees or paid plans at this time. This model is typical of smaller, niche tools developed more out of passion for a specific problem than as a commercial business.

What daily use looks like

In practice, MyParticularNotes runs in the background as a small widget or window pinned to a corner of the screen, updating automatically every time the user switches the active window. There's no need to open it manually or hunt for it in the Start menu — it's simply there when needed, and it fades out of attention when there's nothing to show for the current context, which sets it apart from notes apps that require consciously switching to a separate application.

Limitations and what to watch for

The app is available on Windows only, ruling out Mac and Linux users as well as mobile devices — there's no sync between a phone and a computer. As a small, niche project with a limited like count on AlternativeTo, MyParticularNotes may see slower feature development and a smaller support community than larger, commercial alternatives.

AI notes and context-aware work

MyParticularNotes doesn't integrate natively with AI models — its strength is context-awareness relative to system applications, not conversation with an AI assistant. People who would like their ai notes from conversations with models like ChatGPT to show up contextually next to the right project would have to paste such ai notes in manually into the matching application context.

What's worth checking before choosing

It's worth testing how the app behaves with many windows and programs open at once, since that's exactly the condition where its contextual mechanism has the best chance to shine. It's also worth checking in advance whether local encryption and the lack of cloud sync would be an obstacle if you want access to notes from more than one device in the future.

Scale and simplicity of the project

MyParticularNotes is maintained by a small team or a single creator, visible in its modest like count on AlternativeTo compared with the giants of the notes market. That scale has an upside — the app stays focused on one specific problem instead of growing features most users will never touch. People tired of the bloated, overloaded menus of other notes apps often appreciate exactly that intentionality.

Why context matters

The biggest problem with traditional notes apps isn't lack of space for content, it's the lack of a mechanism reminding you that a given note exists at a given moment at all. A user saves something important, then two weeks later, returning to the same spreadsheet or project, forgets they left themselves a pointer there. MyParticularNotes solves this not through time-based reminders but by tying the note to the work context itself — the note comes back into awareness exactly when it's needed, because it appears together with the application it belongs to.

Privacy as a foundation

Because the whole notes database is encrypted and stored locally, MyParticularNotes requires no account creation and no login to any cloud service. For people working with sensitive company or client data — consultants, lawyers, accountants — that's a meaningful argument, since work notes never physically leave a controlled computer.

What's next for the project

MyParticularNotes' development depends on a single creator or a small team, so the pace of new features can be irregular — worth accepting when choosing this tool instead of expecting frequent updates like with large, commercial competitors.

Bottom line

MyParticularNotes is a niche but clever tool for people working across many contexts on Windows at once — a note shows up where it's needed, not wherever it happened to land on a list. It isn't, however, a place for ai notes from AI conversations — a tool built around that specific workflow fits better there.

Comparison with SumizAI

MyParticularNotes and SumizAI differ fundamentally in how they organize content. MyParticularNotes filters notes by the context of the active Windows application. SumizAI builds ai notes from a conversation with an AI model, saving them as Markdown files in a vault the user owns, available regardless of which application happens to be open. Anyone who needs notes pinned to specific Windows programs will appreciate MyParticularNotes; anyone who wants ai notes from AI conversations to land in portable files is closer to SumizAI.

What SumizAI is

A note-taking application built around a conversation with an AI model. You ask a question, the answer streams back, and the answers worth keeping become Markdown notes — filed into a vault that is a folder on your own disk.

A vault is a directory holding base.md, a generated table of contents up to six levels deep, and a notes/ folder with one .md file per note. Before a note is written it is checked against the ones already there, so the fourth note about the same idea gets merged instead of added. Links between notes are ordinary Markdown links to files that exist.

The model is never ours: you bring your own API key to one of seven providers — Anthropic, OpenAI, Gemini, Groq, OpenRouter, a local Ollama or your own server — and pay that provider directly. A question sends the table of contents plus at most five relevant notes within a 24,000-character budget, and the app shows you which five it used.

Every answer kept this way becomes one of these ai notes, ready to search again months later without hunting back through old chats.

Side by side

Where they differ

• AlternativeTo's description of MyParticularNotes does not mention an AI model. That is the whole starting point in SumizAI: you have a conversation with a model on your own API key, and the answers worth keeping become notes without you filing them.
• MyParticularNotes is free and SumizAI costs a dollar a month after a seven-day trial that takes no card. A dollar is what it costs to run accounts and licences without reselling the model; if free is the requirement, MyParticularNotes wins that row outright.
• AlternativeTo's description of MyParticularNotes does not mention Markdown, so check what format your notes end up in before you fill it up. SumizAI writes standard .md files to a folder you picked, and an unpaid account can still export all of them.
• MyParticularNotes advertises encryption. SumizAI answers the same worry a different way: on the desktop the notes never leave your disk, and the material a question sends to the model is capped at the table of contents plus at most five notes — and the app shows you which five it used.
• AlternativeTo lists no mobile version of MyParticularNotes. SumizAI runs on macOS, Windows, iOS and Android.
• Both are run from the EU: SumizAI's operator is registered in Poland and the servers are in Germany.

Which one to pick