# ScamShield vs Zero1 SG

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.

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.

## The numbers

| Metric | ScamShield | Zero1 SG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/scamshield/id1497144087/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **45.1% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 63 MB | 44 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Government Technology Agency](https://appshunter.io/developer/1201157247) | [Nineteen69 Pte. Ltd.](https://appshunter.io/developer/1099038255) |

## What reviewers say

### ScamShield

[App page](https://appshunter.io/ios/app/scamshield/id1497144087)

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

**In-app purchases:** none


### Zero1 SG

[App page](https://appshunter.io/ios/app/zero1-sg/id1574315030)

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:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*