GTD Brain vs Subnotes
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
GTD Brain
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GTD Brain is a calm home for everything on your mind โ one inbox, six lists, and a weekly review that actually fits. Empty your head into a single inbox, by text or voice, then clarify each capture into a next action, a project, or something you're waiting on โ the GTD workflow, without the friction. HOW IT WORKS โข Capture everything โ every thought and task goes into one inbox. Zero decisions at capture time. โข Clarify and organize โ turn captures into next actions tagged by context, and multi-step outcomes into projects with a pinned next step. โข Do, with a clear head โ open @desk, @calls or @errands and see only what you can do right now. ONE BOARD. SIX LISTS. Inbox, Next Actions, Projects, Waiting For, Someday, Reference โ the lists a trusted GTD system runs on. Capture by voice or text, filter by context, and run a guided weekly review that keeps the whole system trusted. GTD BRAIN PRO โ SUBSCRIPTION Capturing, editing and organizing your board, and the guided Weekly Review require GTD Brain Pro, an auto-renewing subscription: โข Monthly โ $19.99 / month โข Yearly โ $143.99 / year (with a 1-month free trial) Prices may vary by region. Payment is charged to your Apple ID at confirmation of purchase. The subscription automatically renews unless canceled at least 24 hours before the end of the current period; manage or cancel anytime in your Apple ID settings. Without an active subscription you can browse your board, but making changes requires GTD Brain Pro. Terms of Use (EULA): https://gtdbrain.com/terms Privacy Policy: https://gtdbrain.com/privacy Support: https://gtdbrain.com/support GTD Brain is an independent app made by Minosin AB.
Subnotes
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Subnotes is a plain-text notes and to-do list app for iPhone, iPad & Mac. Any line you write can become a task. โข Thoughts and tasks, side by side โ jot things down like a paper notebook, then switch views to see everything organized by priority, automatically. โข Editing a task is just editing text โข Recurring tasks and due dates โข Link notes together to connect related thinking โข Templates for weekly reviews, meeting notes, habit tracking, trip planning, and more. Note-taking and task planning are deeply personal โ so Subnotes stores everything as plain text, not a proprietary format. Copy, paste, or export anytime. It also syncs privately over your own iCloud account: no signup, no account creation, no servers but Apple's. For iPhone, iPad, and Mac
Screenshots
Verdict
The clearest difference is device support: Subnotes at 3 against GTD Brain's 1. GTD Brain's advantage is iOS requirement (16.0 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.
| Parameter | GTD Brain | Subnotes |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, Mac โ better |
| Requires iOS | 16.0 โ better | 26.0 |
| Further details โ not scored | ||
| Size | 12 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Minosin AB | Martin Ramsin |
In-app purchases
GTD Brain
No in-app purchases
Subnotes
No in-app purchases









