Names on unknown numbers · Spam flagged by other users · Never miss a real customer
Your own SIM, no virtual number · Android and iPhone apps + Web CRM in one plan · No card for the trial
RAKPS3,500+ businesses on Wappblaster tools · listed on G2, Capterra, SoftwareSuggest
Unknown, now Priya Shahlooked up in a second
Spam: 14 reportsblocked
Real customeranswered, lead opened
Block list27 numbers
Short answer
Which caller ID and spam blocker app is best for business?
For business, the best caller ID and spam blocker app checks your own customers before any outside list. RMDialer names an incoming number from your own leads, clients and contacts first, so a customer is identified even when they are not saved in the phonebook. An optional internet lookup handles genuinely unknown numbers, and spam callers can be reported and blocked. Checking your own records before any outside service is deliberate, because for a business the useful answer is almost never the name of a stranger pulled from a crowdsourced database: it is that this caller is the lead you quoted last Tuesday, at which point their status and last remark matter far more than the name does. The online lookup stays optional and switched off unless you turn it on, so no number leaves the phone unless you have chosen that. Blocking, unblocking and the spam threshold all sit in one place rather than scattered through settings.
Key takeaways
RMDialer always lets your saved leads and clients ring through.
RMDialer flags spam from reports by other users before you answer.
RMDialer lets you undo a block or a spam mark at any time.
RMDialer names your own saved leads and contacts as they call.
How it works
Caller ID and spam protection setup in RMDialer, step by step
1
Turn on caller ID
Optional and under your control in Settings.
2
See who is calling
Unknown numbers get names. Spam gets flagged before you answer.
3
Block the noise
One tap to report or block. Your call log stays clean.
What you get
Caller ID and spam protection features in RMDialer
What caller ID and spam protection in RMDialer includes, part by part
Part
What it does
Caller ID
Names for unknown numbers, with optional online lookup.
Spam screening
Calls flagged by the community are marked before you pick up.
Report and block
Mark numbers as spam, set your own report threshold, and manage a blocklist.
Your customers are never blocked
Leads and clients in your CRM always ring through with their full details.
Customer reviews
RMDialer reviews from business users
Real businesses, real numbers: how owners and sales teams across India and 12+ countries use RMDialer every day.
Rated 4.9 by customers 4.7 on Google Play 5K+ downloads India + 12+ countries
“Walk-in customers who "will come back Sunday" now get a reminder call on Saturday, and the sofa photos they liked go on WhatsApp from the app. Caller ID with the customer's name and last remark means my staff greet them properly. Simple business dialer, does the job.”
KGKiran GowdaOwner · Furniture showroomMysore
“GST and ITR deadlines mean 200 client calls in a fortnight. The auto dialer runs the list, the remark goes on the client's number, and the ones who said "documents by Friday" ring the assistant on Friday. A follow up reminder app that lives inside the phone dialer is the only kind my staff will keep using.”
“The WhatsApp CRM part sold me. Client chats, their call history and the site visit reminder sit on one record, so when a client rings after two months I know exactly where the kitchen quote stopped. Photos of samples go from the chat inside the dialer. Bengali interface for my junior designer.”
ASAnjali SenOwner · Interior design studioKolkata
“I am a one-person business. RMDialer is the business dialer app on my own phone: every customer call becomes a record, the wedding date is the reminder, and the new collection goes out as a WhatsApp broadcast to my 600 customers from the call log. Paid clients tab shows who has paid and who has balance due.”
PRPooja RathoreOwner · Boutique and bridal wearJodhpur
“Pickup calls, rate enquiries and account follow-ups from one phone. Missed calls during dispatch hours become call-backs instead of lost customers, and the monthly account customers get their reminder. Kannada interface. Call log backup to the account means a new phone starts where the old one stopped.”
PHPrakash HegdeOwner · Courier franchiseHubli
“Most CRM tools here are built for a desk. Our brokers sell from their phones, so a telecalling CRM inside the dialer made sense. Leads from Facebook ads land in the app, the auto dialer calls them, and the tripping schedule rings each broker. Tagalog interface, own Globe SIM, no VoIP number for clients to distrust.”
MSMaria SantosOperations lead · Real estate brokerageManila, Philippines
Reviews are collected from customers on WhatsApp and on this website.
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One app. Every feature. One price.
Whether you are one person or one thousand, every RMDialer user gets the complete feature set. No tiers, no locked buttons, no "upgrade to unlock".
Related
RMDialer features that work with caller ID and spam protection
Caller ID and spam protection: free plan vs paid plan
The app is split in two: the dialer and everything needed to place, take and review calls costs nothing permanently, and the features that remember customers or move data between phones and people are what a plan pays for.
Free forever
₹0, no expiry
Your phone app: keypad, contacts, call log and caller ID
Spam and unknown-number screening on every incoming call
Call analytics: your day counted, by outcome, and by who you called
Missed calls kept in their own list, so nothing is returned late
Sending WhatsApp from a call, free every day
Free WhatsApp sends every day with a free account: 15 a day for your first 15 days, then 3 a day. The dialer itself needs no login at all.
On a plan
₹159/user/month, yearly
$29 per user per year, or $12 per user for 3 months, outside India
The customer record: lead status and remarks saved against every call
Follow-up reminders that ring like an alarm on the day you set
Auto dialing a whole list without touching the phone
Your team: seats, assigned calling lists and per-person reports
Automatic WhatsApp after calls, bulk sending and the WhatsApp API inbox
Backup and restore, so a new phone carries on where the old one stopped
Leads arriving on their own from Google Sheets, APIs and lead portals
Try it free for 3 days: unlimited use, no credit card required. Prices are per user, exclusive of taxes.
Questions
RMDialer FAQ
How do I stop spam calls on Android?
Turn on spam screening in RMDialer: numbers that enough people have reported are flagged before you answer, and any number you block never rings again. Your saved leads and clients always ring through.
How do I identify an unknown caller?
With caller ID on, RMDialer shows the caller name when the network sends one, warns you if the number is reported as spam, and with your own Google Places key can look a business number up online. If the number is a lead or client, you see their name, status and last remark instead.
Do I have to give up my current caller ID app?
No. Caller ID and spam screening in RMDialer are optional. You choose what to enable.
How is spam decided?
By user reports. You can even set your own threshold: how many independent reports it takes before a number is flagged for you.
Will my saved customers ever get blocked by mistake?
No. Your leads and clients always ring through with their full details. Only numbers you block, or community-flagged spam, get screened.
Does caller ID need internet?
The optional online lookup does. Basic identification of your own leads and contacts works from your data on the phone.
Can I undo a block or a spam mark?
Yes. The blocklist is fully manageable, and you can unmark a number as spam any time.
How do I see a customer's details when they call?
Use a dialer with caller ID from your own leads: when a number that exists in your leads rings, the call screen shows the name, lead status, last remark and next follow-up before you answer. Unknown numbers can be looked up online and, once saved, are recognised on every later call.
What is a business dialer app?
A business dialer app replaces the default phone app on an Android phone with one made for selling: caller ID from your own leads, the last remark on screen when a customer rings, two-tap status and follow-up after each call, automatic WhatsApp, and a call log that filters by lead status. It is a personal CRM for one owner and a team system when several people use it.
Is RMDialer free?
The dialer is free forever. Install it, make it your phone app and you keep the keypad, contacts, call log, caller ID, spam screening and your call analytics with no account, no payment and no expiry date. Free WhatsApp sends are included every day once you make a free account. What you pay for is the memory around the call: the lead status, the remark and the follow-up reminder saved against every number, plus list auto dialing, team reports, backup and WhatsApp automation.
Why do customers not answer calls from virtual numbers?
Because caller ID apps and phone dialers increasingly flag pooled virtual and VoIP numbers as spam or business calls, and because the same virtual number is often used for many campaigns. A real mobile number from a local SIM looks like a person calling, which is why SIM-based dialers report higher connect rates in India.
Can I use two SIMs for business calling on one phone?
Yes. On a dual-SIM Android phone the dialer lets you choose which SIM makes each call, or set a default business SIM for all sessions. You can also decide which SIM's calls are backed up and reported, so personal calls on the other SIM stay out of the team account.
How do I stop forgetting sales follow-ups?
Set the follow-up at the moment you promise it, from the after-call screen, in one tap ("tomorrow", "Sunday 11 am"), and use an app that rings like an alarm at that time with the call-back button and the customer's history on it. A follow-up that lives in a diary or a spreadsheet depends on someone remembering to look; one that rings does not.
What is the best follow-up reminder app for sales calls?
The best one is the one inside the dialer you already call from, because the reminder is set at the end of the call and rings with the customer's record attached. Standalone reminder apps and calendar alerts work for one person but lose the link to the call and cannot report follow-ups per employee to a manager.
Lead automation
Leads from 15+ platforms → auto-assigned round robin → auto dialed → updated. On its own.
Facebook, JustDial, IndiaMART, portals, sheets, Excel: every lead gets an owner and a
place on a calling list, then reports its own outcome.