# SMS guard operator vs ACG Driver

The clearest difference is update cadence: SMS guard operator at every 4 days against ACG Driver's monthly. SMS guard operator also leads on iOS requirement (11.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SMS guard operator ships an update every 4 days, ACG Driver monthly. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | SMS guard operator | ACG Driver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Size | 50 MB | 60 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [COMPUTER FRIENDS I.T SERVICES LTD](https://appshunter.io/developer/633426579) | [Roadrunners MECO Ltd](https://appshunter.io/developer/1240330384) |

## What reviewers say

### SMS guard operator

[App page](https://appshunter.io/ios/app/sms-guard-operator/id6449455096)

**Features:** macOS Compatibility

**In-app purchases:** none


### ACG Driver

[App page](https://appshunter.io/ios/app/acg-driver/id6466640934)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMS guard operator free?

SMS guard operator is free to download, with no in-app purchases.

### Is ACG Driver free?

ACG Driver is free to download, with no in-app purchases.

### Do SMS guard operator or ACG Driver have ads?

Neither SMS guard operator nor ACG Driver shows ads.

### Which is updated more often, SMS guard operator or ACG Driver?

SMS guard operator ships an update every 4 days, and ACG Driver monthly. Most recently, SMS guard operator was updated on October 2, 2026 and ACG Driver on September 28, 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.*