Budget dashboard
See your total adjusted cost at a glance, both monthly and yearly, to fully understand your real spending.
Native application for iPhone and iPad
Custos
Stay on top of your budget.
Anticipate your renewals.
No more surprise auto-renewals. Track your monthly or yearly subscription expenses, get notified the exact day of the notice deadline, and generate cancellation letters in one click.
01
Features
Take back control, simply.
Notice alerts
Get notified on your device the exact day the cancellation deadline hits, for every subscription.
Calendar sync
Add your renewal dates to your calendar with 5 automatic reminders (from 1 month to notice day) so you never miss it.
Cancellation generator
Fill in your details once, then instantly generate an email or letter template ready to copy and send.
Accounts & members
Link each subscription to a bank account and a household member to always know who pays for what.
100% local & private
No accounts, no remote servers, no trackers. Your financial information stays exclusively and securely on your devices.
02
Your subscriptions,
Preview
Your subscriptions,
under control.
A polished and modern interface with full Dark Mode support and optimized user comfort.
03
Your deadlines,
Siri, Spotlight & Shortcuts
Your deadlines,
by voice or in one tap.
Custos integrates naturally with iOS to save you time every day.
Check deadlines
“Siri, show me my upcoming renewals in Custos.”
Know your budget
“Siri, what is my subscription budget this month?”
System integrations
Ask out loud for your deadlines over the next 30 days using Siri and App Intents.
- 01 30-day deadlines Spot the subscriptions reaching their notice or renewal date in a second using iOS Spotlight search.
- 02 Budget statistics Track the monthly or yearly breakdown of your fixed charges to adjust your spending easily.
- 03 Shortcuts automation Configure custom workflows based on your notice deadlines to notify or update external tools.
04
Data and privacy
Your financial data remains yours.
Custos is built from the ground up around absolute privacy. No budget, bank account, subscription, or contact details are collected or shared.
100% local
Your entries reside on your iPhone via SwiftData. No account setup required.
iCloud optional
Syncing across your devices is disabled by default and relies solely on your secure Apple account.
Zero trackers
The app contains no ads, third-party analytics SDKs, or data selling.
Independence guarantee: the cancellation generator and all budget calculations run entirely locally on your device.
privacy@rapinology.com →
05
Support
Need help?
Have a question, feedback, or a feature suggestion? The team is here to help.
support@rapinology.com →