Comparison

ScamShield vs Zero1 SG

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

Head to head
About

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.

Highlights
  • Block scam calls
  • Filter scam SMS
  • Check suspicious messages
  • Report scams
  • Get scam report notifications
  • Upload screenshots for analysis
Read full description

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).

About

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.

Highlights
  • Download shows over Wi-Fi
  • Save mobile data
  • Unlimited data plans
  • Avoid data bills
  • Download pictures
Features
Read full description

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

ScamShield4 screens
Zero1 SG4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
ScamShield versus Zero1 SG: the parameters behind the verdict, then further details
ParameterScamShieldZero1 SG
PriceFreeFree
Rating3.5 (2 ratings) — better—
Positive reviews45.1% of reviews — better16.7% of reviews
Number of ratings2 — better—
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size63 MB44 MB
Age rating4+4+
DeveloperGovernment Technology AgencyNineteen69 Pte. Ltd.

Customer experience

ScamShield

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews51 reviews
Positive45.1%
Neutral9.8%
Negative45.1%

Zero1 SG

Written reviews18 reviews
Positive16.7%
Neutral5.6%
Negative77.8%

In-app purchases

None

ScamShield

No in-app purchases

None

Zero1 SG

No in-app purchases

Questions

Is ScamShield free?
ScamShield is free to download, with no in-app purchases.
Is Zero1 SG free?
Zero1 SG is free to download, with no in-app purchases.
Do ScamShield or Zero1 SG have ads?
Neither ScamShield nor Zero1 SG shows ads.
Which is updated more often, ScamShield or Zero1 SG?
ScamShield ships an update every 6 weeks, and Zero1 SG every 2 months. Most recently, ScamShield was updated on August 16, 2026 and Zero1 SG on September 21, 2026.

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