# ShareTech Mail App vs 中保無限加

The clearest difference is iOS requirement: ShareTech Mail App at 8.0 against 中保無限加's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ShareTech Mail App ships an update every 2 months, 中保無限加 every 3 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ShareTech Mail App | 中保無限加 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/id1517748974/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 26.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 8 MB | 97 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [ShareTech](https://appshunter.io/developer/903323857) | [TAIWAN SECOM CO., LTD.](https://appshunter.io/developer/439847914) |

## What reviewers say

### ShareTech Mail App

[App page](https://appshunter.io/ios/app/sharetech-mail-app/id903323854)

**In-app purchases:** none


### 中保無限加

[App page](https://appshunter.io/ios/app/id1517748974)

**In-app purchases:** none


## Frequently asked questions

### Is ShareTech Mail App free?

ShareTech Mail App is free to download, with no in-app purchases.

### Is 中保無限加 free?

中保無限加 is free to download, with no in-app purchases.

### Do ShareTech Mail App or 中保無限加 have ads?

Neither ShareTech Mail App nor 中保無限加 shows ads.

### Which is updated more often, ShareTech Mail App or 中保無限加?

ShareTech Mail App ships an update every 2 months, and 中保無限加 every 3 months. Most recently, ShareTech Mail App was updated on October 16, 2026 and 中保無限加 on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*