# GSD i70 vs E

The clearest difference is update cadence: GSD i70 at monthly against E's every 2 months. E's advantage is iOS requirement (13.0 vs 15.6). 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.

GSD i70 ships an update monthly, E every 2 months. The most recent releases landed on September 17, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | GSD i70 | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 133 MB | 35 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Global Security Devices](https://appshunter.io/developer/765783886) | [宇曦 王](https://appshunter.io/developer/1862645006) |

## What reviewers say

### GSD i70

[App page](https://appshunter.io/ios/app/gsd-i70/id765779883)

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

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-power/id6773177269)

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

**In-app purchases:** none


## Frequently asked questions

### Is GSD i70 free?

GSD i70 is free to download, with no in-app purchases.

### Is E free?

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

### Do GSD i70 or E have ads?

Neither GSD i70 nor E shows ads.

### Which is updated more often, GSD i70 or E?

GSD i70 ships an update monthly, and E every 2 months. Most recently, GSD i70 was updated on September 17, 2026 and E on August 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.*