# LeetCards vs DATARAKU

The clearest difference is in-app purchases: DATARAKU at none against LeetCards's 3. LeetCards's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. LeetCards sells 3 in-app purchases, starting at $9.00 per month. DATARAKU asks for nothing beyond the download.

LeetCards ships an update every 3 weeks, DATARAKU every 2 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LeetCards | DATARAKU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (4 ratings)](https://appshunter.io/ios/app/leetcards/id6502571848/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 7 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kittichote Kamalapirat](https://appshunter.io/developer/1643959840) | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) |

## What reviewers say

### LeetCards

[App page](https://appshunter.io/ios/app/leetcards/id6502571848)

Master coding interview questions with spaced repetition and curated problem sets. Track your progress, take custom notes, and compete on leaderboards to optimize your learning and land your dream job.

**Highlights:** Spaced repetition for DSA concepts, Curated problem sets (Grind 75, Blind 75), Progress tracking (streaks, XP), Custom notes for problems, Leaderboard for competition

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LeetCards | $9.00 | per month |
| LeetCards | $59.00 | per year |
| LeetCards | $89.00 | one-time |


### DATARAKU

[App page](https://appshunter.io/ios/app/dataraku-data-structures/id6775173817)

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

**In-app purchases:** none


## Frequently asked questions

### Is LeetCards free?

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

### Is DATARAKU free?

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

### Do LeetCards or DATARAKU have ads?

DATARAKU shows ads; LeetCards does not.

### Which is updated more often, LeetCards or DATARAKU?

LeetCards ships an update every 3 weeks, and DATARAKU every 2 months. Most recently, LeetCards was updated on October 30, 2026 and DATARAKU on October 31, 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.*