# GST @ SG vs E

The clearest difference is ads: E at none against GST @ SG's shown. E also leads on update cadence (every 4 months vs every 15 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

GST @ SG ships an update every 15 months, E every 4 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | GST @ SG | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 15 months | **Every 4 months** |
| Size | 27 MB | 82 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Novanet Solutions](https://appshunter.io/developer/1482778283) | [E-SERVICES PLATFORM W.L.L](https://appshunter.io/developer/1444427311) |

## What reviewers say

### GST @ SG

[App page](https://appshunter.io/ios/app/gst-sg/id1539334784)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-invoice-afs/id6478861506)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GST @ SG free?

GST @ SG is free to download, with no in-app purchases.

### Is E free?

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

### Do GST @ SG or E have ads?

GST @ SG shows ads; E does not.

### Which is updated more often, GST @ SG or E?

GST @ SG ships an update every 15 months, and E every 4 months. Most recently, GST @ SG was updated on November 3, 2026 and E on November 8, 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.*