# 码密 vs Rust Tutorial

The clearest difference is rating: Rust Tutorial at 5.0 against 码密's 3.0. Rust Tutorial also leads on in-app purchases (none vs 3) and update cadence (every 2 days vs every 8 days). 码密's advantage is ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. 码密 sells 3 in-app purchases, starting at $0.99 per month. Rust Tutorial asks for nothing beyond the download.

Rust Tutorial holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

码密 ships an update every 8 days, Rust Tutorial every 2 days. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 码密 | Rust Tutorial |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/and/id6475038750/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rust-tutorial/id6741699891/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Every 2 days** |
| Monetization | Freemium | **Ad-supported** |
| Size | 40 MB | 32 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Sanyi Technology Co., Ltd.](https://appshunter.io/developer/1723156516) | [Changsha Juanli Technology Co., Ltd](https://appshunter.io/developer/1784889155) |

## What reviewers say

### 码密

[App page](https://appshunter.io/ios/app/and/id6475038750)

This app securely stores, generates, and manages all your passwords with a focus on privacy. It offers offline functionality, cross-device synchronization, and advanced security features like Passkeys and MFA. Upgrade for premium features and enhanced user experience.

**Highlights:** Offline password management, Cross-device synchronization via iCloud, Touch ID & Face ID integration, Automatic password filling, Built-in Multi-Factor Authentication (MFA), Passkey support, Data migration and import

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $0.99 | per month |
| 连续包年 | $3.99 | per year |
| 永久会员 | $9.99 | one-time |


### Rust Tutorial

[App page](https://appshunter.io/ios/app/rust-tutorial/id6741699891)

Learn Rust programming from the ground up with this app. It offers detailed tutorials covering fundamental concepts and advanced techniques for beginners and developers looking to master the language.

**Highlights:** Detailed tutorials, Foundational knowledge, Advanced programming techniques, Systematic learning, Learn from scratch

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

**In-app purchases:** none


## Frequently asked questions

### Is 码密 free?

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

### Is Rust Tutorial free?

Rust Tutorial is free to download, with no in-app purchases.

### Which has better reviews, 码密 or Rust Tutorial?

Rust Tutorial is rated higher. 码密 averages 3.0 out of 5 from 2 ratings, while Rust Tutorial averages 5.0 from 1 ratings.

### Do 码密 or Rust Tutorial have ads?

Rust Tutorial shows ads; 码密 does not.

### Which is updated more often, 码密 or Rust Tutorial?

码密 ships an update every 8 days, and Rust Tutorial every 2 days. Most recently, 码密 was updated on September 27, 2026 and Rust Tutorial on September 26, 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.*