Side by side
NumBuster vs PhoneBlock
Both stand on call blocker apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidiPhoneWeb
Choose NumBuster if you want caller identification and number checks across Android, iPhone, and web, with community ratings and a free mobile app. Look elsewhere if you live in the European Union, Bahrain, or the United Arab Emirates, where the service is not intended for residents.
Visit NumBuster Free plan AndroidAPIiPhone+2
PhoneBlock offers community-based spam blocking for Android, landlines and phone systems, with an iPhone method based on CardDAV. It is free to use, though the operator advises against business use.
Visit PhoneBlockThe facts
| NumBuster | PhoneBlock | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | No | Not published |
| Runs on | Android, iPhone, Web | Android, API, iPhone, Self-hosted, Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 4 | 1 |
| Maker | Not published | Not published |
| Website | numbuster.com | phoneblock.net |
| On call blocker apps | #7 of 41 | #3 of 41 |
NumBuster: what it does well
- Caller information appears on the call screen on Android and iPhone.
- Call-log number checks are available on both mobile platforms.
- iPhone users can block phone numbers.
- Community reviews and ratings help people assess potential threats.
- A free mobile app is available.
What to know first
- Service and apps are not intended for residents of the EU, Bahrain, or UAE.
- Feature availability can vary by country, device, provider, platform, and legal circumstances.
PhoneBlock: what it does well
- Free to use, with donations optional
- Community reports add numbers to a shared blacklist
- Android app keeps call history and supports personal lists
- Landline options include Fritz!Box and CardDAV
- Licensed under GPL-3.0
What to know first
- Android app requires Android 10 or later
- Documented iPhone setup syncs numbers into contacts
- Native iPhone app is still in development
- Terms advise against business use
Alternatives to NumBuster Alternatives to PhoneBlock The whole list