# Data Structure Display vs Leet Track

The clearest difference is rating: Leet Track at 5.0 against Data Structure Display's 4.5. Leet Track also leads on in-app purchases (none vs 1) and review sentiment (83% vs 62%). Data Structure Display's advantage is ratings volume (676 vs 6) and device support (4 vs 2). On price, update cadence and ads there is nothing between them.

Both are free to download. Data Structure Display sells 1 one-off in-app purchase. Leet Track asks for nothing beyond the download.

Leet Track holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Data Structure Display has 676 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 62% of Data Structure Display's written reviews are positive against 83% of Leet Track's.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Data Structure Display | Leet Track |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (676 ratings)](https://appshunter.io/ios/app/data-structure-display/id1455489695/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/leet-track/id1662188122/reviews)** |
| Number of ratings | **676** | 6 |
| Positive reviews | 61.9% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 15 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jinan Matrix Information Technology Co., Ltd.](https://appshunter.io/developer/1009091575) | [ATLASCODE LLC (US)](https://appshunter.io/developer/1662188124) |

## What reviewers say

### Data Structure Display

[App page](https://appshunter.io/ios/app/data-structure-display/id1455489695)

Explore and learn data structures through dynamic debugging and visual observation of changes. This app covers linear structures, trees, graphs, and recursive algorithms like the Tower of Hanoi, offering interactive learning experiences.

**Highlights:** Dynamic data structure debugging, Visual observation of data structure changes, Learn linear structures (arrays, lists, queues, stacks), Explore tree structures (binary, AVL, red-black, heap), Understand graph structures and algorithms, Debug recursive algorithms like Tower of Hanoi

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all data structures | $2.99 | one-time |

**What reviewers like**

- 📚 Excellent for DSA learning and studying
- ✨ Interactive components and pseudo code quality
- 👍 Good reference material for beginners
- 🎓 Unique educational content

**What reviewers complain about**

- 🔒 90% of content locked behind $2.99 paywall
- 📖 Incomplete coverage of data structures
- ✍️ Poor grammar and spelling
- 📱 No dark mode support on macOS
- 🔔 Excessive review prompts

**Reported bugs**

- Aggressive review request frequency
- Inconsistent dark mode functionality between iOS and macOS

**Requested features**

- Dark mode implementation
- Comprehensive coverage of all data structure variants
- More practical exercises and problems
- Ad-supported free tier instead of paywall


### Leet Track

[App page](https://appshunter.io/ios/app/leet-track/id1662188122)

Access Leetcode questions and solutions on your mobile device. Track your progress and learn about algorithms and data structures with a clean user interface.

**Highlights:** View Leetcode questions and solutions, Track Leetcode progress, Clean user interface, Learn Algorithms and Data Structures, Mobile access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Data Structure Display free?

Data Structure Display is free to download, with in-app purchases available.

### Is Leet Track free?

Leet Track is free to download, with no in-app purchases.

### Which has better reviews, Data Structure Display or Leet Track?

Leet Track is rated higher. Data Structure Display averages 4.5 out of 5 from 676 ratings, while Leet Track averages 5.0 from 6 ratings.

### Do Data Structure Display or Leet Track have ads?

Neither Data Structure Display nor Leet Track shows ads.

### Which is updated more often, Data Structure Display or Leet Track?

Data Structure Display ships an update every 5 months, and Leet Track every 5 months. Most recently, Data Structure Display was updated on October 17, 2026 and Leet Track on October 3, 2026.

---

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