# SG Smartlock App vs E

The clearest difference is update cadence: E at every 2 weeks against SG Smartlock App's every 3 months. SG Smartlock App's advantage is iOS requirement (12.0 vs 15.5). 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.

SG Smartlock App ships an update every 3 months, E every 2 weeks. Both last shipped on September 14, 2026.

## The numbers

| Metric | SG Smartlock App | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 37 MB | 177 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CA M&E Engineering Pte Ltd](https://appshunter.io/developer/995140179) | [Ramasamy Andavan](https://appshunter.io/developer/1823004442) |

## What reviewers say

### SG Smartlock App

[App page](https://appshunter.io/ios/app/sg-smartlock-app/id6741783944)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-shems/id6747821247)

**In-app purchases:** none


## Frequently asked questions

### Is SG Smartlock App free?

SG Smartlock App is free to download, with no in-app purchases.

### Is E free?

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

### Do SG Smartlock App or E have ads?

Neither SG Smartlock App nor E shows ads.

### Which is updated more often, SG Smartlock App or E?

SG Smartlock App ships an update every 3 months, and E every 2 weeks. Most recently, SG Smartlock App was updated on September 14, 2026 and E on September 14, 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.*