# 天大网院 vs Data Structures and Algorithms

The clearest difference is in-app purchases: 天大网院 at none against Data Structures and Algorithms's 1. 天大网院 also leads on iOS requirement (11.0 vs 17.0). Data Structures and Algorithms's advantage is update cadence (every 10 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Data Structures and Algorithms sells 1 one-off in-app purchase. 天大网院 asks for nothing beyond the download.

天大网院 ships an update every 5 months, Data Structures and Algorithms every 10 days. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 天大网院 | Data Structures and Algorithms |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Size | 60 MB | 36 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [青颖飞帆](https://appshunter.io/developer/507851198) | [子健 高](https://appshunter.io/developer/1791450219) |

## What reviewers say

### 天大网院

[App page](https://appshunter.io/ios/app/id1182192339)

**Features:** macOS Compatibility

**In-app purchases:** none


### Data Structures and Algorithms

[App page](https://appshunter.io/ios/app/data-structures-and-algorithms/id6783425095)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DSA | $2.99 | one-time |


## Frequently asked questions

### Is 天大网院 free?

天大网院 is free to download, with no in-app purchases.

### Is Data Structures and Algorithms free?

Data Structures and Algorithms is free to download, with in-app purchases available.

### Do 天大网院 or Data Structures and Algorithms have ads?

Neither 天大网院 nor Data Structures and Algorithms shows ads.

### Which is updated more often, 天大网院 or Data Structures and Algorithms?

天大网院 ships an update every 5 months, and Data Structures and Algorithms every 10 days. Most recently, 天大网院 was updated on September 27, 2026 and Data Structures and Algorithms on September 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.*