
Call blocker for Android: only your contacts ring — unknown numbers, robocalls and scam calls go to voicemail. Free, ad-free, 100% offline.
A startup from Poland.
This page is designed to help you find out whether OnlyContactsRing.app is good and if it is the right choice for you.
Tired of spam, robocalls, scam calls, telemarketing and calls from numbers you don't know? "Only Contacts Ring" is a call blocker that only lets through calls from numbers saved in your contact book. Every other number is rejected instantly and forwarded to your carrier's voicemail — the caller hears your own greeting and can leave a message.
Please note: the app filters phone calls only — it does not block SMS or other text messages.
HOW IT WORKS • Your phone only rings when someone from your contacts calls. • Numbers outside your contacts are automatically rejected and forwarded to voicemail (forward-when-busy, a standard carrier service). • The caller hears a greeting recorded by you — e.g. asking them to introduce themselves — so important matters still reach you. • Every rejected call is stored in the in-app log.
WHAT YOU GET • Peace and quiet — no spam, no unwanted calls. • Whitelist — allow selected numbers without saving them to contacts (e.g. a courier or a repair shop), with your own description. • Blacklist — block specific numbers for good, even if they are in your contacts. • Event log — full control over who tried to reach you, with one-tap adding of a number to a list. • Silent notifications about rejected calls (optional). • Private-number handling — you decide whether to reject them.
PRIVACY Your contacts and call log never leave your phone. The app works 100% offline — it sends no data and has no ads or tracking. The network is used only for Google Play services (premium purchase and app rating).
IMPORTANT — ONE-TIME SETUP REQUIRED For callers to hear your greeting, rejected calls must reach your carrier's voicemail. The built-in assistant walks you through the one-time setup (the *#67# code and recording a greeting). Forwarding services depend on your carrier; the standard codes work on most GSM networks worldwide.
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Almost every call blocker asks "who is calling?" and then looks the number up in a database of known spam. Only Contacts Ring asks a different question: "is this number in your contacts?" Saved numbers ring; everything else is declined. That means it also stops numbers no database can know yet — a number calling for the first time, or a foreign number from a country you have never had a reason to talk to. Screening happens entirely on the phone, offline, with no account, no ads and no tracking, and it does not need access to your call log. When a call is declined, the caller is forwarded to your operator's voicemail and hears your own greeting, so a real caller can still leave a message. (The voicemail forwarding is a one-time setting at your carrier; the app walks you through it.)
Because the rule is trivial to understand and impossible to fall out of date. Caller-ID and spam-database apps can only warn about numbers somebody has already reported — the first call from a new number gets through, and they usually need your data in the cloud, an account or a connection. Here the decision is local and instant: in your contacts it rings, not in your contacts it is declined. There is no list to maintain, no database to update and no server that can be wrong. It is free, and the optional one-time purchase only lifts the 10-entry limit on the allow/block lists — the filter itself always works.
People who receive a lot of unwanted calls: anyone dealing with telemarketing, debt collection or foreign-number spam; people who keep a business number on a private phone and need clients to get through while everything else does not; and people who install it for a parent or grandparent so the phone rings only for family and known contacts. A smaller second group is privacy-conscious users who are specifically looking for a blocker that works offline, needs no account and sends nothing anywhere.
LiveStar is a small publisher, and the app came out of a simple frustration: every blocker we tried was answering the wrong question. We did not want to know who was calling — we wanted the phone to stop ringing. Maintaining a blacklist is a losing game: you block one number and the next one calls from a different number that no database has ever seen. So we inverted it: instead of listing what is forbidden, allow only what is known. It stayed deliberately small — one job, done locally. It ships in 20 languages, because unwanted calls are not a problem of one country.
Native Android written in Kotlin with Jetpack Compose for the interface, AndroidX (Lifecycle/ViewModel, Navigation) and Room for local storage. The only network use is Google Play Billing for the optional one-time purchase (plus the optional in-app review prompt); there is no analytics SDK, no advertising SDK and no third-party tracking. Minimum supported version is Android 10.
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