No account required
Start protecting your phone without creating a profile.
Privacy-first call protection for iPhone
CallCordonStop the whole spam number series.
Spam callers change numbers. CallCordon lets you block the series instead of chasing each new number.
- No ads
- No account
- No contacts uploaded
- No call history uploaded
The simple idea
Block the series, not the chase.
When unwanted callers keep changing only the last few digits, CallCordon helps you cover the shared number series in one step.
Instead of blocking them one by one…
The ending keeps changing.
- One number+91 98765 1234
- Another number+91 98765 4421
- Another number+91 98765 9812
CallCordonProtected
One Cordon
+91 98765 ••••
One Cordon. Thousands of related numbers covered.
10,000
possible numbers covered by one Cordon
How it works
Clear choices. No technical language.
CallCordon turns a complicated kind of call blocking into three calm, understandable steps.
- 01
Enter the unwanted number
Paste or type a number that keeps calling you.
- 02
Choose how similar calls should be handled
Pick only this number, very similar numbers, or all numbers starting with the same series.
- 03
Turn on your Cordon
CallCordon prepares the protection on your iPhone.
Made for everyone
Broad protection, explained in plain language.
You choose how wide the protection should be. CallCordon shows the possible number count before you turn anything on.
If a range is unusually broad, CallCordon warns you so you can review it first.
New CordonStep 2 of 3
Which number keeps bothering you?
+91 98765 1234
How broadly should CallCordon block?
Only this number
1 number
Very similar numbers
100 numbers
Numbers starting with +91 98765
10,000 possible numbers
Your Cordon+91 98765 ••••
Private by design
Your calls are your business.
CallCordon is designed so protecting your phone does not require handing over your personal data.
No advertisements
Your attention and activity are not the product.
No contacts uploaded
Your entire contacts list does not need to leave your phone.
No call history uploaded
CallCordon does not upload your complete call history.
Blocking rules are processed on your iPhone.
Optional iCloud backup may be available for Pro users.
Simple pricing
Useful for free. Pro for more control.
Start with the essentials. Upgrade inside the iPhone app only if you want more ways to shape your protection.
CallCordon Free
₹0
For anyone who wants simple spam-range protection.
- Block individual numbers
- Up to 3 custom Cordons
- Block numbers starting with a series
- Simple visual range builder
- Enable or disable Cordons
- Preview how many possible numbers a Cordon covers
- No ads
- No account
CallCordon Pro
One-time purchase₹1,999Lifetime
Unlock in the app
One payment. No subscription.
- Unlimited custom Cordons, subject to iOS limits
- Advanced number patterns
- Multiple ranges in one Cordon
- Keep specific numbers reachable with exceptions
- Bulk paste
- CSV import and export
- Advanced editing
- Duplicate Cordons
- Multiple protection profiles
- iCloud backup and sync
- Configuration import/export
- Future advanced protection capabilities
Coming soon on the App Store
Purchases are handled securely through Apple's App Store.
No subscription fatigue.
CallCordon Pro is a one-time purchase.
Coming soon
Coming to the App Store.
CallCordon is being prepared for iPhone. There is no waitlist form and no tracking. Check back here for availability.
Questions, answered
Frequently asked questions.
What is a Cordon?
A Cordon is CallCordon's simple name for a blocking rule. It can cover one number or a group of related numbers.
Does CallCordon upload my contacts?
No. CallCordon is designed not to upload your contacts.
Does CallCordon upload my call history?
No. Your complete call history is not uploaded by CallCordon.
Do I need an account?
No.
Is CallCordon free?
Yes. CallCordon includes a useful Free tier. Advanced features are available through CallCordon Pro.
Is Pro a subscription?
No. CallCordon Pro is planned as a one-time lifetime purchase.
How will I pay for Pro?
Through Apple's App Store inside the CallCordon iPhone app.
Can CallCordon block every spam call?
No product can guarantee that. CallCordon is designed to help stop unwanted calls from individual numbers and related number series.
Does blocking a range risk blocking legitimate callers?
Yes, if the range is too broad. CallCordon shows how many possible numbers a Cordon affects and warns users before activating unusually broad ranges.