# LeetCard vs System Design Arcade

The clearest difference is review sentiment: System Design Arcade at 100% against LeetCard's 54%. System Design Arcade also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 3). LeetCard's advantage is update cadence (every 2 days vs fortnightly) and ratings volume (80 vs 9). On price and iOS requirement there is nothing between them.

Both are free to download. LeetCard sells 3 in-app purchases, starting at $3.99 per month. System Design Arcade asks for nothing beyond the download.

System Design Arcade holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: LeetCard has 80 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 54% of LeetCard's written reviews are positive against 100% of System Design Arcade's.

LeetCard ships an update every 2 days, System Design Arcade fortnightly. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | LeetCard | System Design Arcade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (80 ratings)](https://appshunter.io/ios/app/leetcard-coding-flashcards/id6478087443/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/system-design-arcade/id6759821733/reviews)** |
| Number of ratings | **80** | 9 |
| Positive reviews | 53.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 124 MB | 38 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kubicle LLC](https://appshunter.io/developer/1679797468) | [Harsha Hassan Somashekara](https://appshunter.io/developer/1842004703) |

## What reviewers say

### LeetCard

[App page](https://appshunter.io/ios/app/leetcard-coding-flashcards/id6478087443)

Prepare for coding interviews with AI-powered flashcards and adaptive learning. Master data structures, algorithms, and coding patterns with personalized plans and intelligent hints. Track your progress with detailed analytics to identify weak areas and stay motivated.

**Highlights:** AI-powered hints, Personalized study plans, Smart flashcards, Clean organization, Personalized dashboard, Detailed analytics

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LeetCard Pro | $3.99 | per month |
| LeetCard Pro | $24.99 | per year |
| LeetCard Pro | $39.99 | one-time |


### System Design Arcade

[App page](https://appshunter.io/ios/app/system-design-arcade/id6759821733)

Learn complex system design concepts through engaging, bite-sized arcade-style games. Master building blocks, design full systems, and practice with real infrastructure tools. Progress is saved locally and no account is required.

**Highlights:** Arcade-style mini-games for system design concepts, End-to-end system design challenges, Hands-on drills with infrastructure tools, Narrative-driven story mode, Varied challenge types (multiple choice, puzzles, builder), Daily challenges with streak tracking, Offline progress saving

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

**In-app purchases:** none


## Frequently asked questions

### Is LeetCard free?

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

### Is System Design Arcade free?

System Design Arcade is free to download, with no in-app purchases.

### Which has better reviews, LeetCard or System Design Arcade?

System Design Arcade is rated higher. LeetCard averages 4.5 out of 5 from 80 ratings, while System Design Arcade averages 5.0 from 9 ratings.

### Do LeetCard or System Design Arcade have ads?

LeetCard shows ads; System Design Arcade does not.

### Which is updated more often, LeetCard or System Design Arcade?

LeetCard ships an update every 2 days, and System Design Arcade fortnightly. Most recently, LeetCard was updated on October 9, 2026 and System Design Arcade on October 1, 2026.

---

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