Side by side
Callfilter.app vs CallWall
Both stand on spam call blocking apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Android
Callfilter.app offers flexible call rules with local processing and no account requirement. Check the Samsung compatibility caveat if you use Android 12 or later on a Samsung device.
Visit Callfilter.app Free plan iPhone
Choose CallWall if you want free spam call blocking and text filtering on an iOS device running iOS 17 or later. Its free plan includes unlimited blocking and reporting, with three number lookups each week. Look elsewhere if you need a platform other than iOS or more weekly lookups.
Visit CallWallThe facts
| Callfilter.app | CallWall | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android | iPhone |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | callfilter.pedrorau.dev | getcallwall.com |
| On spam call blocking apps | #7 of 41 | #11 of 41 |
Callfilter.app: what it does well
- Free and open source
- Custom regular-expression rules
- Call checks run locally on the device
- Can optionally notify you about rejected calls
What to know first
- Some functions may not work correctly on Samsung devices running Android 12 or later
- Does not replace the phone app
CallWall: what it does well
- Unlimited call and text blocking on the free plan.
- Spam texts go to the iOS junk SMS folder.
- Blocking and filtering run on the device.
- Calls can be blocked offline after database sync.
- Community reports can include a category and optional description.
What to know first
- Requires iOS 17 or later.
- Number lookups are limited to three per week.
- The listed platform is iOS.
Alternatives to Callfilter.app Alternatives to CallWall The whole list