Crystal Notes
Mobile app
Crystal Notes
Fast, organized Android notes with categories, rich text, search, export, backups and a local-first privacy posture.
v1.0.1+2
Expense tracker
Track. Understand. Get roasted.
Quick entries
Log expenses fast
Sharp insights
Sarcastic summaries
Your data
Local backups & export
BrainTox helps you track expenses, income, and recurring charges without spreadsheet fatigue. It keeps your core records local and adds optional, sarcastic commentary around your spending behavior.
Local finance
BrainTox combines strict local data control with a sarcastic tone, turning routine finance tracking into something a bit more lively.
Expense tracker
Track. Understand. Get roasted.
Quick entries
Log expenses fast
Sharp insights
Sarcastic summaries
Your data
Local backups & export
1.0.1+2
current version
Android
release platform
CSV & JSON
export formats
Local
data posture
Capabilities
The focus is on fast data entry, clear summaries, and a complete absence of cloud dependencies.
Track transactions, income, categories, currencies, and subscriptions directly on your device without mandatory cloud sync.
Opt into sarcastic reactions and toxic commentary that turns boring budgeting into an entertaining, motivational challenge.
Export JSON backups and CSV transaction data when you need to move or archive your financial records.
Financial records stay on your device unless you actively choose to export or share them. No analytics SDKs or ad networks.
Workflow
The product page should show the user journey, not just a bare list of features.
01
Log an expense, income, or recurring subscription without wrestling with complex accounting forms.
02
Receive instant, optional sarcastic feedback based on your spending patterns and configured toxicity level.
03
Check weekly summaries and local reminders to understand where your money is actually going.
04
Export your data to CSV or create a local JSON backup to maintain total ownership of your records.
The current release is available for Android through Google Play.
For BrainTox, the privacy policy and terms of service live on one page, so the route is simply named legal.
Public support, privacy and terms requests for this product use this branded company mailbox.
[email protected]Transaction data is stored locally on the device. There is no cloud sync, no advertising networks, and no analytics SDKs.
BrainTox helps track expenses, income, recurring charges and financial habits without turning budgeting into a spreadsheet chore. The app keeps the core records local on the device and adds sarcastic, optional commentary around spending behavior.
The current mobile version does not require an account and does not use advertising networks, analytics SDKs, crash-reporting SDKs or in-app purchase SDKs. Financial records stay on the device unless the user chooses to export, import, email or share them.
Public support and privacy requests for BrainTox are handled through [email protected].
Other catalog slots show how one structure scales across product types.
Crystal Notes
Mobile app
Fast, organized Android notes with categories, rich text, search, export, backups and a local-first privacy posture.
An unannounced indie game currently in development for Android devices.