Comparison

Robokiller vs Mr. Number Lookup & Call Block

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Robokiller

This app blocks up to 99% of unwanted spam calls and texts using advanced AI and a vast database. It also offers a unique feature to annoy spammers with automated responses and protects your personal information from being sold online.

Highlights
  • Blocks 99% of spam calls and texts
  • AI-powered audio fingerprinting
  • Answer Bots for robocaller revenge
  • Personal data protection and removal
  • 24/7 up-to-date spam protection
  • Spam text blocking
Features
Currently charting
Read full description

Eliminate up to 99% of spam calls with Robokiller. Robokiller’s global database of 1.4 Billion analyzed calls instantly protects you from known phone scams. Our patented audio fingerprinting technology uses machine learning to stop your phone from ringing with annoying, unwanted calls. You can live life spam-call-free® and never miss a legitimate phone call again. But wait – there's more: Robokiller doesn't just block robocallers and spammers, we annoy the hell out of them, too. If you want Robocall Revenge®, your spam calls can be sent to clever recorded messages called Answer Bots, so they can see what it feels like to have their time wasted. With Robokiller, you can finally get that oh-so-sweet revenge on robocallers. OTHER SPAM-ELIMINATING ROBOKILLER FEATURES: PREDICTIVE CALL-BLOCKING POWER With Advanced Call Blocking, Robokiller analyzes all unrecognized calls using AI-powered audio fingerprinting technology. 24/7 UP-TO-DATE PROTECTION New spammers are continuously added to our global spam radar every MINUTE so your phone never rings from unwanted calls. KEEP YOUR PERSONAL INFO PRIVATE Robokiller’s new personal data protection feature scans the web to help you find and remove your private info from public search sites where it's sold and used for spam calls, identity theft and more. Take your info off the market and use our ongoing monitoring to notify you of any new exposures. GET REVENGE ON ROBOCALLERS Fight bots with bots. Answer Bots deliver payback in hilarious fashion, sending spammers to clever recordings that you can listen to later, driving them crazy and giving you the last laugh. SPAM TEXT BLOCKING Eliminate 99% of all spam text messages with Robokiller’s powerful, anonymized SMS blocking algorithm. Block unwanted text messages with accuracy and privacy. With over 11 Million downloads in the United States, Robokiller is a trusted source of powerful spam call and text protection. But, don’t take our word for it. Robokiller has been featured on The New York Times, NBC Nightly News, Good Morning America, Fox News, and many other publications. Robokiller has also been featured by Apple as a 2019 App of The Day, and won the 2020 Webby Award for Technical Achievement. HERE’S WHAT LIFE IS LIKE WITH ROBOKILLER: • A life without robocalls. Up to 99% of unwanted calls are eliminated within 7 days of signing up • Get the last laugh on robocallers and scammers with Robokiller’s Answer Bots. You may even WANT to get spam calls • Help out the community by reporting spammers and providing feedback directly from within the app • Track emerging scam trends and Robokiller’s efforts to stop them in your area with Robokiller’s NEW Radar feature • Save an average of $1400/year by preventing phone scams from ever reaching you. Source: FTC Robokiller is free to download. A subscription is required to use the service. Once the trial ends, your subscription will automatically renew and you’ll be billed. You can cancel your subscription at any time by contacting Apple Support. Terms of Service: http://www.robokiller.com/terms.html Privacy Policy: http://www.robokiller.com/privacy.html California Privacy Notice: https://robokiller.com/privacy.html#section-8

About

Mr. Number Lookup & Call Block

Instantly identify unknown callers and block unwanted calls. This app provides lightning-fast phone number lookups, protects against scam calls, and offers advanced spam detection to keep your device free from robocalls. Manage your personal block list and report spam to help the community.

Highlights
  • Identify unknown callers
  • Block specific phone numbers
  • Spam detection and blocking
  • Report spam calls
  • iOS CallKit integration
  • Phone number lookup
Features
Read full description

Mr. Number is the fastest way to identify callers. In addition to a lightning-fast phone number lookup experience, Mr. Number includes a suite of features to help you manage your calls and contacts: block specific phone numbers with ease, protect yourself from ‘spoofed’ phone number scams, and benefit from industry-leading spam detection technology that is always working in the background to keep you free of robocalls! LOOK UP ANY PHONE NUMBER QUICKLY AND EASILY Search our expansive phone number database to find out who a number belongs to. MANAGE YOUR OWN PERSONAL BLOCK LIST Avoid unwanted calls by creating a personal block list. CALL SPAM DETECTION AND BLOCKING Get real-time alerts warning you of incoming spam and scam calls, or configure Mr. Number to automatically block unwanted calls altogether. REPORT SPAM Help others in the community by blocking and reporting spam - our app gets better the more you use it! iOS CALLKIT INTEGRATION Native integration for incoming call screen, call logs and support for blocking calls. Terms of Service: https://www.hiya.com/terms-of-service Privacy Policy: https://hiya.com/hiya-data-policy

Screenshots

Robokiller4 screens
Mr. Number Lookup & Call Block4 screens

Verdict

The call

The clearest difference is update cadence: Robokiller at every 8 days against Mr. Number Lookup & Call Block's every 2 months. Robokiller also leads on chart position (#8 vs #74) and ratings volume (414K vs 100K). Mr. Number Lookup & Call Block's advantage is iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Robokiller sells 11 in-app purchases, starting at $9.99 per month and Mr. Number Lookup & Call Block sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Robokiller against 4.6 for Mr. Number Lookup & Call Block. Both are backed by a comparable volume of ratings — 414K and 100K respectively. Written reviews are what separate them: 33% of Robokiller's written reviews are positive against 39% of Mr. Number Lookup & Call Block's.

UpkeepUpdate frequency

Robokiller ships an update every 8 days, Mr. Number Lookup & Call Block every 2 months. Both last shipped on September 24, 2026.

Scorecard4 real differences · 7 level
Robokiller versus Mr. Number Lookup & Call Block: the parameters behind the verdict, then further details
ParameterRobokillerMr. Number Lookup & Call Block
PriceFreeFree
Rating4.5 (414K ratings)4.6 (100K ratings) — better
Positive reviews33.4% of reviews39.1% of reviews — better
Number of ratings414K — better100K
Update frequencyEvery 8 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#8 — better#74
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size195 MB42 MB
Age rating4+4+
DeveloperMosaic S.r.l.Hiya

Customer experience

Robokiller

All ratings414,174 ratings
Positive87.7%
Neutral4.3%
Negative8.0%
Written reviews1,232 reviews
Positive33.4%
Neutral6.4%
Negative60.1%

Mr. Number Lookup & Call Block

All ratings99,908 ratings
Positive89.0%
Neutral4.3%
Negative6.7%
Written reviews670 reviews
Positive39.1%
Neutral7.3%
Negative53.6%

User reviews

Robokiller

From 414K App Store ratings

What we love

  • 🚀 Blocks spam calls effectively
  • 😂 Entertaining answer bots
  • 🤫 Reduces unwanted call volume
  • 👍 Convenient call screening

Room to improve

  • 🐛 App issues like resetting, deactivation, and call forwarding problems
  • 🚫 Blocks some legitimate calls
  • 🤖 Concerns about increased spam calls after using the app
  • 💰 Expensive subscription, additional carrier charges

Mr. Number Lookup & Call Block

From 100K App Store ratings

What we love

  • 🚀 Effective at blocking spam/fraud calls
  • 👍 Useful for identifying unknown numbers
  • 🔒 Helps protect against spoofing
  • 💡 Allows reporting of spam numbers

Room to improve

  • 🐛 Doesn't always block known spam numbers
  • 🔍 Reduced functionality in recent updates
  • 💰 Moved many features behind a paywall
  • 🤔 Concerns about data privacy/usage

Bugs and requests

Robokiller

Reported bugs

3 issues
  • Inconsistent call blocking performance
  • Voicemails getting lost or inaccessible after uninstalling
  • Difficulty deactivating or uninstalling the app

Requested features

4 requests
  • Ability to allow calls from contacts without blocking
  • Customizable voicemail greeting
  • Call history/log
  • Better support for Canadian carriers

Mr. Number Lookup & Call Block

Reported bugs

3 issues
  • App resets settings to 'warn' instead of 'block'
  • Inconsistent performance on older devices
  • Lookup feature not working reliably

Requested features

4 requests
  • Automatic database updates
  • Option to block calls from specific area codes
  • Integration with phone app to block calls directly
  • Improved logging and call statistics

In-app purchases

11 purchases

Robokiller

Subscriptions11
  • Membership (Inactive)7 Days trial$9.991 Month
  • Weekly with FT7 Days trial$9.997 Days
  • Membership7 Days trial$10.991 Month
Show 8 more
  • Monthly (Inactive)7 Days trial$10.991 Month
  • Membership(Inactive)7 Days trial$10.991 Month
  • Membership (Inactive)7 Days trial$11.991 Month
  • Membership (Inactive)7 Days trial$12.991 Month
  • Membership7 Days trial$12.991 Month
  • Membership7 Days trial$79.991 Year
  • Membership(Inactive)7 Days trial$79.991 Year
  • RoboKiller Membership7 Days trial$89.991 Year
3 purchases

Mr. Number Lookup & Call Block

Subscriptions2
  • Mr. Number Premium - Monthly3 Days trial2 variants$3.991 Month
  • Mr. Number Premium - Yearly3 Days trial2 variants$24.991 Year
One-time1
  • Mr. Number - Premium for Life$74.99

Questions

Is Robokiller free?
Robokiller is free to download, with in-app purchases available.
Is Mr. Number Lookup & Call Block free?
Mr. Number Lookup & Call Block is free to download, with in-app purchases available.
Which has better reviews, Robokiller or Mr. Number Lookup & Call Block?
Mr. Number Lookup & Call Block is rated higher. Robokiller averages 4.5 out of 5 from 414K ratings, while Mr. Number Lookup & Call Block averages 4.6 from 100K ratings.
Do Robokiller or Mr. Number Lookup & Call Block have ads?
Neither Robokiller nor Mr. Number Lookup & Call Block shows ads.
Which is updated more often, Robokiller or Mr. Number Lookup & Call Block?
Robokiller ships an update every 8 days, and Mr. Number Lookup & Call Block every 2 months. Most recently, Robokiller was updated on September 24, 2026 and Mr. Number Lookup & Call Block on September 24, 2026.
Which is more popular, Robokiller or Mr. Number Lookup & Call Block?
Robokiller currently peaks at #8 in the App Store charts, and Mr. Number Lookup & Call Block at #74. Chart position reflects recent download velocity rather than total install base.

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