# Fortress Smart vs e度

The clearest difference is update cadence: e度 at every 2 months against Fortress Smart's every 10 months. Fortress Smart's advantage is iOS requirement (13.0 vs 15.0). 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.

Fortress Smart ships an update every 10 months, e度 every 2 months. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Fortress Smart | e度 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Size | 204 MB | 32 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [AS Watson Retail (HK) Limited](https://appshunter.io/developer/1133110849) | [Dian Bai Telecommunications Co.](https://appshunter.io/developer/1481206358) |

## What reviewers say

### Fortress Smart

[App page](https://appshunter.io/ios/app/fortress-smart/id6746776909)

**In-app purchases:** none


### e度

[App page](https://appshunter.io/ios/app/e/id6747743193)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fortress Smart free?

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

### Is e度 free?

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

### Do Fortress Smart or e度 have ads?

Neither Fortress Smart nor e度 shows ads.

### Which is updated more often, Fortress Smart or e度?

Fortress Smart ships an update every 10 months, and e度 every 2 months. Most recently, Fortress Smart was updated on October 25, 2026 and e度 on October 29, 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.*