# Call Blocker: Scam Spam Lookup — Phone Defender Filter

> Blocks unsolicited telemarketing and spam phone calls, identifying and filtering robocalls. (iPhone/iPad app by Madduck.)

- Source: https://appshunter.io/ios/app/call-blocker-scam-spam-lookup/id1538412237 (this page in markdown: same URL + `.md`)
- Developer: [Madduck](https://appshunter.io/developer/1435773822)
- Category: Utilities, Business
- Price: Free with in-app purchases
- Rating: 3.80/5 from 192 App Store ratings · 51 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 39 MB
- Languages: American English, Arabic, Hebrew, Hindi, European Spanish, Thai
- Released: 2020-12-07
- Data updated: 2026-08-19
- Monetization: subscription
- User reviews in markdown: https://appshunter.io/ios/app/call-blocker-scam-spam-lookup/id1538412237/reviews.md

## What is Call Blocker?

Sick and tired of telemarketing companies bugging you with unsolicited phone calls? Call Blocker is here to rescue from all of it!

Call Blocker is designed to protect you from unsolicited spam phone calls by blocking them. It effectively blocks the numbers and keeps track of known robocall numbers and alerts to block them even before they reach you the first time!

Try Call Blocker for free and save all the time and frustration you spend answering pointless marketing calls.


To use the Call Blocker app you must subscribe weekly, monthly, or yearly. Subscription prices may vary by location and all subscriptions are automatically renewed.

» Terms and Conditions: https://support.madduck.app/call-blocker/terms-and-conditions
» Privacy Policy: https://support.madduck.app/call-blocker/privacy-policy
» Help Center: https://support.madduck.app/call-blocker/help-center

## Key features

- Block unsolicited calls
- Identify robocall numbers
- Alerts for known spammers
- Filter marketing calls
- Save time and frustration

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly Subscription | $7.99 | per month |
| Yearly Subscription | $47.99 | per year |
| 1 Month Subscription | $23.99 | per month |
| 1 Year Subscription | $69.99 | per year |
| Subscription for 1 Month | $3.99 | per month |
| Subscription for 1 Year | $29.99 | per year |
| Subscription for 1 Month | $7.99 | per month |
| Subscription for 1 Month | $3.99 | per month |
| Subscription for 1 Year | $47.99 | per year |
| Subscription for 1 Year | $24.99 | per year |
| Weekly Subscription | $2.99 | per 7 days |


## What do users think of Call Blocker?

Overall sentiment: negative

**Pros**

- 👍 Can report and blacklist spam calls
- 👍 Nice to see blocked numbers
- 👍 Good for checking spam numbers
- 👍 Blocks calls without problems
- 👍 Blocking calls as supposed to do
- 👍 Simple and fast
- 👍 Very good
- 👍 Unbelievably good
- 👍 Quite affordable and easy

**Cons**

- 🐛 Not working in iOS 17
- 🐛 Trava tudo e é pago
- 🐛 Não bloqueia nada
- 🐛 Horrível, não cumpre o que promete
- 🐛 Not very good, awful
- 🐛 Fraudulent app, not cleaned or blocked any calls
- 🐛 Doesn’t work, paid for nothing
- 🐛 Doesn’t work, received spam calls
- 🐛 Very disappointed, not blocked spam calls
- 🐛 Most calls still getting through
- 🐛 Horrible, does nothing
- 🐛 Worst app
- 🐛 Unable to connect
- 🐛 Worthless, did not block spam calls
- 🐛 Doesn’t work, don’t waste money
- 🐛 Blocks ALL calls not in phone
- 🐛 You have to enter numbers manually
- 🐛 Dose not help at all
- 🐛 Does not block nuisance calls
- 🐛 Calls still coming in, no blocking
- 🐛 Scam, unable to unsubscribe
- 🐛 Kinda, waste of money
- 🐛 Doesn’t work, no calls blocked
- 🐛 Not free, expensive
- 🐛 Protect from text spam?
- 🐛 Why can’t I find a real blocker?
- 🐛 This app does not work
- 🐛 Don’t waste time and money
- 🐛 Doesn’t do what it claims
- 🐛 Doesn’t work to stop calls
- 🐛 Charged me twice during trial
- 🐛 Paid application, not mentioned
- 🐛 Doesn’t work, charged right away
- 🐛 Total waste of money, does not work
- 🐛 Not a free app, have to pay
- 🐛 Was a fee to use it
- 🐛 Got a call on last day of trial
- 🐛 Useless, paid without knowing if it works
- 🐛 Failed blocking, still getting calls

**Commonly reported bugs**

- Not working in iOS 17.4
- App freezes the entire phone
- Does not block any calls
- Cannot cancel subscription
- App does not clean or block calls
- App does not do anything
- Not reading or noting ANY calls received
- Most calls still getting through
- Blocks ALL calls that aren’t in your phone
- Requires manual entry of numbers to block
- Unable to unsubscribe after trial
- Auto-charges for yearly plan
- Apple subscription shows active without info
- Cannot find cancel button
- Charged twice during trial period
- Charged money on first day of free trial
- Appears to be fake or a trap
- Worried about Apple ID being hacked
- Charged right away for trial
- App is back and useful (contradictory to review)
- List of blocked calls shows empty
- Calls are still going through

**Most requested features**

- Option to test before paying
- Easier subscription cancellation
- Reveal unknown numbers
- Protect from text spam

## Recent user reviews (10 of 51)

All indexed reviews: https://appshunter.io/ios/app/call-blocker-scam-spam-lookup/id1538412237/reviews.md

### 1/5 — Not working in iOS 17

*2024-03-13*

Tried but not working in iOS 17.4. Blocked calls are coming.

**Developer response:** We apologize for any inconvenience. Our application provides call blocking service against unwanted spam calls. The blocking issue is unintentional and we take it seriously. To resolve the issue, please contact our support team at support@madduck.com; We welcome your feedback.

### 1/5 — Trava tudo e é pago

*2023-08-24*

O app só funciona se você pagar, e pra piorar, trava o celular todo! Não recomendo!

**Developer response:** Pedimos desculpas por qualquer inconveniente. Nosso aplicativo oferece serviço de bloqueio de chamadas para chamadas de spam indesejadas. O problema do bloqueio não é intencional e levamos isso a sério. Entre em contato com nossa equipe de suporte em support@madduck.com para resolver o problema e agradecemos seu feedback.

### 1/5 — Fraco

*2023-04-27*

Não bloqueia nada. Usei um dia e nada vinde diferente

**Developer response:** Olá, obrigado por sua avaliação. Lamentamos saber que não funcionou para você. Provavelmente, você precisa habilitar nosso aplicativo na seção de configurações do seu telefone. Você pode entrar em contato conosco em support@madduck.com se precisar de ajuda. Atenciosamente

### 1/5 — Horrível

*2023-03-31*

Não cumpre o que promete, paguei por 1 mês e me arrependi, não dá a opção de testar e nem de cancelar assinatura por arrependimento.

**Developer response:** Olá, obrigado pela sua avaliação. Observe que há uma avaliação gratuita de 3 dias nas assinaturas anuais. Se você não gosta do aplicativo, não precisa pagar nada. Se você tiver alguma dúvida ou dúvida, entre em contato conosco em support@madduck.com.

### 1/5 — Not very good

*2022-10-13*

This app is awful, do you not buy it?

**Developer response:** Hello, thanks for your review. Please note that there is a 3 day free trial on the annual subscriptions. Our app does not block the calls automatically, however you can see the reported numbers by other users. Only you can decide which numbers to be blocked for you. Please contact us at support@madduck.co, we will be happy to assist you.

### 1/5 — What CLEAN SWEEP?

*2022-05-01*

Have had this fraudulent app 3 months ago.
To date: 5/1/22. THIS APP HAS NOT CLEANED OR BLOCKED  ANY CALLS
since installed. I can’t even cancel “subscription’
Shame On You!

**Developer response:** Hello, sorry to see your review. Our app successfully blocks calls. So, you may need to enable our app from your settings. Please contact us at support@madduck.co. We will be happy to help.

### 1/5 — Doesn’t work

*2022-04-28*

I paid for this app and it doesn’t do anything.

**Developer response:** Hello, sorry to see your review. You may need to enable our app from the settings. You may contact us at support@madduck.co for further support.

### 1/5 — doesn’t work

*2022-03-22*

Just bought this and already have received 3 spam in first hour

**Developer response:** Hello, sorry to see your review. You may need to enable the app from the settings. Please contact us at support@madduck.co for further assistance.

### 1/5 — Very disappointed

*2022-02-21*

Have iPhone 13 max pro. Changed from Samsung s20 with hyia which was working perfectly. Have had this app a week and it has not blocked even one spam call plus it is not reading or noting ANY calls received. Very disappointing and I will be deleting and finding another.

**Developer response:** Hello, sorry to see your review. Please make sure that you enable our app from your phone settings and enable auto-blocking from the app settings. You can contact us at support@madduck.co for any support requests.

### 1/5 — It’s not working

*2022-02-03*

Most of the calls still getting though

**Developer response:** Hello, sorry to hear that. We would like to assist you with your problem. You may contact us at support@madduck.co.

## Frequently asked questions about Call Blocker

### What does the Call Blocker app do?

This app is designed to protect you from unsolicited spam and telemarketing phone calls. It effectively blocks these numbers and keeps track of known robocall numbers, alerting you to block them before they even reach you.

### How does the app block calls?

The app blocks unwanted calls by identifying and filtering out known robocall numbers. It maintains a database of these numbers to prevent them from reaching your device, saving you from answering pointless marketing calls.

### Is Call Blocker free to use?

While you can try the app for free, to use its full features, you must subscribe. Subscriptions are available weekly, monthly, or yearly, with prices potentially varying by location. All subscriptions automatically renew.

### What are the benefits of using this app?

The primary benefit is protection from annoying and disruptive telemarketing and spam calls. By blocking these unwanted calls, the app helps you save time and reduce the frustration associated with answering pointless marketing calls.

### What kind of calls does this app block?

This app specifically targets unsolicited telemarketing companies and spam phone calls. It identifies and blocks known robocall numbers to prevent them from bothering you.

## Version history (last 5 releases)

### 2.2.0 — 2023-05-24

Bug Fix

### 2.1.9 — 2023-05-17

Bug Fix

### 2.1.8 — 2022-08-04

Thanks for the great feedbacks. In this way, we are constantly making changes and improvements to make your experience the best.
Keep your updates turned on to use the latest version.

In this version;
→ Stability and performance improvements
→ Minor changes
→ Bug fixes

If you have other requests, please let us know!

### 2.1.6 — 2022-05-19

New update is here! Call Blocker now supports Hebrew, Thai, Spanish, Arabic and Hindi. Update and stop spam calls now.

### 2.1.5 — 2022-05-01

In this version of Call Blocker, we fixed some bugs and improved performance. Thanks for using Call Blocker!

## Apps similar to Call Blocker

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Hiya: Spam Blocker](https://appshunter.io/ios/app/hiya-spam-blocker/id986999874) | 4.5 (237,485) | Free | Utilities |
| [Numbo: Scam Call ID & Lookup](https://appshunter.io/ios/app/numbo-scam-call-id-and-lookup/id1256912189) | 4.3 (774) | Free | Utilities |
| [Truecaller: Premium Caller ID](https://appshunter.io/ios/app/truecaller-premium-caller-id/id448142450) | 4.4 (251,684) | Free | Utilities |
| [Robokiller: Spam Call Blocker](https://appshunter.io/ios/app/robokiller-spam-call-blocker/id1022831885) | 4.5 (414,017) | Free | Utilities |
| [Mr. Number Lookup & Call Block](https://appshunter.io/ios/app/mr-number-lookup-and-call-block/id1047334922) | 4.6 (99,908) | Free | Utilities |
| [Whoscall: Caller ID & Block](https://appshunter.io/ios/app/whoscall-caller-id-and-block/id929968679) | 4.7 (2,998) | Free | Utilities |

## More apps by Madduck

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All apps by Madduck: https://appshunter.io/developer/1435773822

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*