# ScamShield — Call Blocking & Scam Detection

> Blocks scam calls, filters SMS, and detects suspicious messages and links. (iPhone/iPad app by Government Technology Agency.)

- Source: https://appshunter.io/ios/app/scamshield/id1497144087 (this page in markdown: same URL + `.md`)
- Developer: [Government Technology Agency](https://appshunter.io/developer/1201157247)
- Category: Utilities, Productivity
- Price: Free
- Rating: 3.50/5 from 2 App Store ratings · 51 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.1 · 63 MB
- Languages: American English
- Released: 2025-02-17
- Data updated: 2026-08-16
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/scamshield/id1497144087/reviews.md

## What is ScamShield?

ScamShield: Your scam-fighting sidekick

ScamShield protects you by blocking scam calls, filtering scam SMSes, and letting you check suspicious messages before clicking anything regrettable.

Here’s what ScamShield can do:

[New] Get notified when a number you reported gets marked as scam-related
- When the authorities mark a number you reported as possibly used by scammers, we’ll send you a push notification. You can also view a history of numbers you reported that have been marked as scam-related.

Spot a scam before it gets you
- Came across a suspicious link, message, or phone number? Paste it in to see if it might be a scam. You can even upload screenshots - works for SMS, WhatsApp, and Telegram too.

Block and filter scam calls & SMSes
- Follow our quick setup guide to block known scam numbers and filter out sketchy messages.

Report suspicious calls, messages, and links
- Help the community by reporting scams - with screenshots if you have them. The more we know, the better we can protect everyone.

Heads up: Submitting a scam report in the app isn't the same as filing an official police report. If you've been scammed, please file an e-report with the Singapore Police Force.

Download ScamShield for yourself and your loved ones - because a little protection goes a long way.

We may occasionally prompt you to refresh the ScamShield app, which helps with performance and security. The prompt to refresh will appear when you open the app, and does not require you to visit the App Store to update to the latest version.

Feedback? Ideas? Love letters?
Tell us at go.gov.sg/scamshield-share-feedback

ScamShield is built by Open Government Products, in collaboration with the Singapore Police Force (SPF) and the National Crime Prevention Council (NCPC).

## Key features

- Block scam calls
- Filter scam SMS
- Check suspicious messages
- Report scams
- Get scam report notifications
- Upload screenshots for analysis

## Recent user reviews (10 of 51)

All indexed reviews: https://appshunter.io/ios/app/scamshield/id1497144087/reviews.md

### 5/5 — pls add keyword filter/block function

*2026-02-07, version 4.2.1*

Can help filter/remove those useless info/ad

### 1/5 — Doesn’t Work

*2025-11-11, version 4.2.0*

If it works, the scam rate wouldn’t hit this - Scam victims in Singapore have lost around S$3.8 billion since 2020, with a record S$1.1 billion in losses last year.

### 1/5 — Useless apps

*2025-10-27, version 4.2.0*

It’s not helpful at all since the phone number looks genuine. It can’t track a scam call that has been tag to a normal mobile phone number. Wandering what’s the point of using this apps if it has so much limitations in function!

### 1/5 — Does not block scam calls

*2025-10-25, version 4.2.0*

I get about 4 to 5 calle from random US and pakistan numbers. This thing cant block any of those

### 1/5 — UNKNOWN numbers used by scammer

*2025-09-26, version 4.2.0*

Scammers are using caller id non display. Phone shows UNKNOWN number calling. But you cannot report UNKNOWN number in ScamShield

### 4/5 — Can upload screenshots

*2025-09-11, version 4.2.0*

Love that the latest update allow us to upload a screenshot of the message! Makes reporting so convenient.

### 2/5 — Unable to upload screenshot

*2025-08-23, version 4.2.0*

Unable to upload a screenshot under ‘WhatsApp message’.

### 5/5 — Useful app that uses crowd sourcing to find scams

*2025-08-04, version 4.2.0*

more people need to use it and to report scams for it to work well.

Developer should feedback that you can see your reports and have some kind of leaderboard statistics

### 2/5 — Not sure if working or not

*2025-07-29, version 4.1.0*

Please show statistics of how many calls were blocked

I have downloaded this app in hopes that it will block calls from known scammer. But i'm still getting many.  

To the developer, it would be great if you can put a statistics in the app to show how many times the app has intervened or blocked a known spam call otherwise this is all just a "trust me bro" application...

### 2/5 — Not sure if it actually works in my country

*2025-07-20*

This app is available to download in Costa Rica however I am not sure if the app features like "submitting a report", "call the helpline" and so on actually works for me since it seems to be for Singapore only.

**Developer response:** Hi there, ScamShield is currently designed for use in Singapore and works best with local numbers and scam reporting channels. Features like submitting a report or calling the helpline are tailored to Singapore’s anti-scam efforts. We recommend checking with your local authorities for similar tools available in Costa Rica. Stay safe!

## Frequently asked questions about ScamShield

### What does ScamShield do?

ScamShield acts as a scam-fighting tool that protects you by blocking scam calls and filtering scam SMS messages. It also allows you to check suspicious messages and links before you interact with them, helping to prevent regrettable clicks.

### How does ScamShield detect scams?

You can paste suspicious links, messages, or phone numbers into the app for analysis to see if they might be scams. It also supports uploading screenshots of messages from SMS, WhatsApp, and Telegram for detection.

### Is ScamShield free to use?

Yes, ScamShield is a free application. There are no in-app purchases or advertisements mentioned, indicating it is provided at no cost to the user.

### Can ScamShield block all scam calls and messages?

The app helps block known scam numbers and filter sketchy messages. It also notifies you if a number you reported is later marked as scam-related by authorities, enhancing your protection.

### What should I do if I have actually been scammed?

The app clarifies that submitting a scam report within ScamShield is not the same as filing an official police report. If you have been scammed, you should file an e-report with the Singapore Police Force.

## Version history (last 5 releases)

### 4.2.1 — 2025-12-15

See the difference you make in the fight against scams
We know you care about making your community safer. Now, with our latest update, you'll know when your report helps stop a scam.

Get notified: Receive a notification when a number you reported is officially marked as scam-related by the authorities.
Track your impact: View a history of numbers you reported that have been marked as scam-related, so you can see the impact of your reports.
You're always in control: Want fewer updates? Notification settings are easy to manage within the app.

These new features are here because so many of you asked for more feedback on your reports. Thank you for helping us improve ScamShield and keeping everyone safe.

### 4.2.0 — 2025-08-04

See the difference you make against scams
We know you care about making your community safer. Now, with our latest update, you'll know when your report helps stop a scam.

Get notified: Receive a push notification when a number you reported is officially flagged as suspicious by the authorities.
Track your impact: View a history of numbers you reported that have been confirmed as scam-related, so you can see the results of your actions.
You're always in control: Want fewer updates? Notification settings are easy to manage anytime within the app.

These new features are here because so many of you asked for more feedback on your reports—thank you for helping us improve ScamShield and keep everyone safer.

### 4.1.0 — 2025-02-17

ScamShield has been enhanced to offer you better protection against scams. Improvements include:

- Checking for potential scams has been expanded to cover more channels, such as links, and messages received via WhatsApp or Telegram.

- A redesigned home screen to indicate if the app has the permissions it needs to work correctly.

- Better scam reporting, with support to upload screenshots and more intelligent detection of scam types.

### 3.0.1 — 2024-02-29

Added Contact Us link for users having trouble enabling call blocking and identification to reach out to the ScamShield team

### 3.0.0 — 2024-01-09

1. Revamped iOS onboarding workflow to redirect users to the appropriate Phone and Messages settings page
2. Added detection of permissions for Call Blocking & Identification, Mobile Data, and Background App Refresh
3. Added information banners and overlays to alert users when the relevant permissions are not granted, and re-direct them to the appropriate Settings page

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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 2026-08-16.*