# 一信盾 vs 材料之家

The clearest difference is in-app purchases: 材料之家 at none against 一信盾's 10. 材料之家 also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 一信盾 sells 10 one-off in-app purchases. 材料之家 asks for nothing beyond the download.

一信盾 ships an update every 2 months, 材料之家 fortnightly. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 一信盾 | 材料之家 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 24 MB | 48 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Beijing Anzhengtong Information Technology Co.,Ltd.](https://appshunter.io/developer/1102661826) | [Sichuan KangSiChuang Network Technology Co., Ltd.](https://appshunter.io/developer/1463360452) |

## What reviewers say

### 一信盾

[App page](https://appshunter.io/ios/app/id1527530998)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一信盾印章一年期套餐 | $41.99 | one-time |
| 一信盾印章1年期套餐 | $41.99 | one-time |
| 一信盾印章一年套餐 | $41.99 | one-time |
| 一信盾证书+电子印章两年套餐 | $74.99 | one-time |
| 一信盾印章两年期套餐 | $74.99 | one-time |
| 一信盾印章2年期套餐 | $74.99 | one-time |
| 一信盾印章两年套餐 | $74.99 | one-time |
| 一信盾证书+电子印章三年套餐 | $109.99 | one-time |
| 一信盾印章三年期套餐 | $109.99 | one-time |
| 一信盾印章三年套餐 | $109.99 | one-time |


### 材料之家

[App page](https://appshunter.io/ios/app/id6466132961)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 一信盾 free?

一信盾 is free to download, with in-app purchases available.

### Is 材料之家 free?

材料之家 is free to download, with no in-app purchases.

### Do 一信盾 or 材料之家 have ads?

Neither 一信盾 nor 材料之家 shows ads.

### Which is updated more often, 一信盾 or 材料之家?

一信盾 ships an update every 2 months, and 材料之家 fortnightly. Most recently, 一信盾 was updated on September 8, 2026 and 材料之家 on September 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.*