ScamShield vs Zero1 SG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ScamShield
This app acts as a digital guardian, blocking unwanted scam calls and filtering suspicious SMS messages. It allows users to proactively check potentially harmful links and messages before engagement, and report new scams to aid community protection.
- Block scam calls
- Filter scam SMS
- Check suspicious messages
- Report scams
- Get scam report notifications
- Upload screenshots for analysis
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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).
Zero1 SG
This app allows users to download content like shows and pictures over Wi-Fi to save mobile data. It's designed for those who want to enjoy entertainment and media without worrying about data usage or bills.
- Download shows over Wi-Fi
- Save mobile data
- Unlimited data plans
- Avoid data bills
- Download pictures
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Need to download your favorite shows at home on Wi-Fi before leaving the house? Resisting the urge to game now so that you can save on data for that big show-down later? Or only waiting till you get Wi-Fi before downloading those wanderlust pictures your BFF sent? Wait no more! With our Unlimited Data plans, you can surf now, later and whenever without having to worry about the bills!
Screenshots
Verdict
The clearest difference is review sentiment: ScamShield at 45% against Zero1 SG's 17%. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ScamShield ships an update every 6 weeks, Zero1 SG every 2 months. The most recent releases landed on August 16, 2026 and September 21, 2026 respectively.
| Parameter | ScamShield | Zero1 SG |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | — |
| Positive reviews | 45.1% of reviews — better | 16.7% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 63 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Government Technology Agency | Nineteen69 Pte. Ltd. |
Customer experience
ScamShield
Zero1 SG
In-app purchases
ScamShield
No in-app purchases
Zero1 SG
No in-app purchases









