# 极简密码本 vs GuardRail

The clearest difference is ads: GuardRail at none against 极简密码本's shown. GuardRail also leads on update cadence (every 9 days vs every 2 months). 极简密码本's advantage is iOS requirement (12.1 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 极简密码本 sells 6 in-app purchases, starting at $0.99 per month and GuardRail sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

极简密码本 ships an update every 2 months, GuardRail every 9 days. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 极简密码本 | GuardRail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/id1503644549/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 68.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 117 MB | 2 MB |
| Requires iOS | **12.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Haoxin Technology Co., Ltd.](https://appshunter.io/developer/1489694807) | [培林 王](https://appshunter.io/developer/6798741432) |

## What reviewers say

### 极简密码本

[App page](https://appshunter.io/ios/app/id1503644549)

Securely store and manage all your passwords in one place. This app offers encrypted storage, automatic synchronization, and features to prevent unauthorized access, ensuring your digital accounts remain private.

**Highlights:** Encrypted password storage, Account management and tracking, One-click password copy, Intrusion detection, App icon disguise, Automatic screen lock, iCloud synchronization

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月会员 | $0.99 | per month |
| 连续包年会员 | $9.99 | per year |
| 月卡会员 | $1.99 | one-time |
| 季卡会员 | $3.99 | one-time |
| 年卡会员 | $14.99 | one-time |
| 永久会员 | $22.99 | one-time |


### GuardRail

[App page](https://appshunter.io/ios/app/guardrail-screen-time-pause/id6802604508)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Support | $0.99 | one-time |
| Support Development | $3.99 | one-time |
| Special Support | $12.99 | one-time |


## Frequently asked questions

### Is 极简密码本 free?

极简密码本 is free to download, with in-app purchases available.

### Is GuardRail free?

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

### Do 极简密码本 or GuardRail have ads?

极简密码本 shows ads; GuardRail does not.

### Which is updated more often, 极简密码本 or GuardRail?

极简密码本 ships an update every 2 months, and GuardRail every 9 days. Most recently, 极简密码本 was updated on October 22, 2026 and GuardRail on October 25, 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.*