# 数字内镜 vs 电e盾

The clearest difference is update cadence: 电e盾 at every 2 months against 数字内镜's every 14 months. 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.

数字内镜 ships an update every 14 months, 电e盾 every 2 months. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 数字内镜 | 电e盾 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Size | 12 MB | 153 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [释普科技(上海)有限公司](https://appshunter.io/developer/1406216198) | [河北新大长远电力科技股份有限公司](https://appshunter.io/developer/1374042715) |

## What reviewers say

### 数字内镜

[App page](https://appshunter.io/ios/app/id1660007652)

**Features:** Vision Pro support

**In-app purchases:** none


### 电e盾

[App page](https://appshunter.io/ios/app/e/id6445978566)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 数字内镜 free?

数字内镜 is free to download, with no in-app purchases.

### Is 电e盾 free?

电e盾 is free to download, with no in-app purchases.

### Do 数字内镜 or 电e盾 have ads?

Neither 数字内镜 nor 电e盾 shows ads.

### Which is updated more often, 数字内镜 or 电e盾?

数字内镜 ships an update every 14 months, and 电e盾 every 2 months. Most recently, 数字内镜 was updated on October 14, 2026 and 电e盾 on October 18, 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.*