Comparison

Brainwave vs Category Tabs for Google Keep

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Brainwave

Capture and organize your thoughts with this note-taking application. Create calendar events, reminders, and export notes in various formats. Protect sensitive information with password protection and manage your data with backup and restore options.

Highlights
  • Organize notes with tags
  • Password protect sensitive notes
  • Create calendar events and reminders
  • Export notes to PDF or text
  • Supports various links (web, phone, maps)
  • Backup and restore notes
Read full description

Transfer your ideas from brain wave to Brainwave. • Organize on the fly by tagging notes with any number of tags • Flag important notes; password protect sensitive notes • Create calendar events and reminders based on your notes • Change the size and font of the text • Export notes directly from Brainwave to a variety of destinations, in formats including: ◦ Email as PDF ◦ Send to Dropbox or almost any app as PDF ◦ Email as text • Create restore points, backing up all notes to a single file • Supports links (web, phone numbers, map addresses - that can even be opened in Google Maps, calendar dates) • Numerous configuration options • Length of a note is limited only by device memory • Supports all device orientations Sometimes an idea can circle around and around in your mind - like a whirlpool swirling, or a tidal wave growing, it confuses, it overwhelms, and it isn't until you write it down that it becomes clear. Write it down. Get it out. Record it before it’s washed away. Free your mind to work on other thoughts. Store your brain waves in Brainwave.

About

Category Tabs for Google Keep

Organize your Google Keep notes by color with custom tabs. Quickly filter and view notes by category, or see all your content in list or grid view. Seamlessly integrates with your existing Keep experience.

Highlights
  • Sort notes by color
  • Filter notes by category
  • View all notes option
  • List and grid view support
  • Seamless integration
  • Supports all Google Keep colors
Features
Read full description

Tired of wasting time looking look through and re-sorting all of your notes on Google Keep? With Category Tabs for Google Keep™, you can now sort your new and existing notes by color. When you want to view the notes you have sorted by color, simply click on the note color you wish to view. If you would like to view your you entire collection of notes/checklists, there is an “All” option next to the color options (this option is set by default). Category Tabs for Google Keep™ seamlessly integrates into the page and the options to look at your notes/checklists in list view or gird view is still available. The ability to post a quick note/list/picture is still available as well and is still placed in the same spot as it usually is. This application supports all the colors offered by Google Keep. You can access the settings by opening the menu in google keep, and hit “Customize Categories”

Screenshots

Brainwave4 screens
Category Tabs for Google Keep1 screens

Verdict

The call

The clearest difference is rating: Brainwave at 2.0 against Category Tabs for Google Keep's 1.0. Brainwave also leads on review sentiment (20% vs 0%) and iOS requirement (11.0 vs 15.0). Category Tabs for Google Keep's advantage is update cadence (every 2 months vs every 3 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Brainwave costs $0.99 and Category Tabs for Google Keep $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Brainwave holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 20% of Brainwave's written reviews are positive against 0% of Category Tabs for Google Keep's.

UpkeepUpdate frequency

Brainwave ships an update every 3 months, Category Tabs for Google Keep every 2 months. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

Scorecard5 real differences · 5 level
Brainwave versus Category Tabs for Google Keep: the parameters behind the verdict, then further details
ParameterBrainwaveCategory Tabs for Google Keep
Price$0.99$0.99
Rating2.0 (1 ratings) — better1.0 (3 ratings)
Positive reviews20.0% of reviews — better0.0% of reviews
Number of ratings13 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS11.0 — better15.0
Further details — not scored
Size9 MB7 MB
Age rating4+4+
DeveloperZymbiotic TechnologiesCarlos Jeurissen

Customer experience

Brainwave

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews10 reviews
Positive20.0%
Neutral30.0%
Negative50.0%

Category Tabs for Google Keep

All ratings3 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Brainwave

No in-app purchases

None

Category Tabs for Google Keep

No in-app purchases

Questions

Is Brainwave free?
Brainwave costs $0.99, with no in-app purchases.
Is Category Tabs for Google Keep free?
Category Tabs for Google Keep costs $0.99, with no in-app purchases.
Which has better reviews, Brainwave or Category Tabs for Google Keep?
Brainwave is rated higher. Brainwave averages 2.0 out of 5 from 1 ratings, while Category Tabs for Google Keep averages 1.0 from 3 ratings.
Do Brainwave or Category Tabs for Google Keep have ads?
Neither Brainwave nor Category Tabs for Google Keep shows ads.
Which is updated more often, Brainwave or Category Tabs for Google Keep?
Brainwave ships an update every 3 months, and Category Tabs for Google Keep every 2 months. Most recently, Brainwave was updated on October 1, 2026 and Category Tabs for Google Keep on October 15, 2026.

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