SMS Spam Filter

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Notice: the following app doesn't correctly work on Android OS v.4.4.

We are working on it.

Features:

- a large set of filters.

- 4 modes for analyzing triggered filters.

- possibility to check the filters writing test SMS (without sending).

- export filters to a file.

- suspicious SMS popup.

- led light flashing when SMS was blocked or showing suspicious SMS popup.

Filters:

- allow / block the sender, supported phone numbers, numbers range, contacts and all contacts at once.

- allow / block content word.

- allow / block time of receiving SMS.

Extended blocks:

- detecting similar letters from different languages, this trick used to bypass content word filtering.

- detecting URLs in the text.

- detecting phone number in text.

- check that the sender was a phone number instead of text.

FAQ:

Q: How to delete the filter group?

A: Long press on the group will open menu, it has a point "delete".

Q: How to allow messages only from contacts?

A: Add filter "All contacts" to "Allow sender" group, then the messages not from contacts will be marked as suspicious, by default for this messages showing popup dialog is displayed, to block all suspecious SMS go to the settings: "Menu->Preferences->Suspicious SMS" and choose "Block".

Q: Why do we need "Extended blocks"?

A: These filters exhibit signs of spam in text, it may be a phone number or a link to a website.

Q: How to block only certain messages from one phone number?

A: Blocking messages configured by using a filters list and the analysis mode. To block only certain messages select the analysis mode with a higher level of filtration than default, it setup in the "Menu->Preferences->Analysing mode", enough to set mode "For most triggered". Next add the phone number or contact to the "Allow sender" group and words to describing the spam message to "Block content word". More information about analysis modes see in "Menu->About".