# LeetCode vs OLSA Mobile App

The clearest difference is in-app purchases: OLSA Mobile App at none against LeetCode's 2. OLSA Mobile App also leads on update cadence (every 2 days vs fortnightly) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. LeetCode sells 2 in-app purchases, starting at $35.00 per month. OLSA Mobile App asks for nothing beyond the download.

LeetCode ships an update fortnightly, OLSA Mobile App every 2 days. The most recent releases landed on October 19, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | LeetCode | OLSA Mobile App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (626 ratings)](https://appshunter.io/ios/app/leetcode/id6755816119/reviews)** | — |
| Number of ratings | **626** | — |
| Positive reviews | 44.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 110 MB | 71 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LeetCode](https://appshunter.io/developer/1739326909) | [Livro Systems Incorporated](https://appshunter.io/developer/1896544025) |

## What reviewers say

### LeetCode

[App page](https://appshunter.io/ios/app/leetcode/id6755816119)

Practice coding challenges and prepare for technical interviews on the go. Discover company-specific questions, manage your practice lists, and track your progress. Stay updated with contests and daily quests to improve your skills.

**Highlights:** Search and discover company questions, Practice coding challenges, Manage practice lists, Track personal progress, Contest registration and calendar sync, Daily challenges and quests

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LeetCode Premium Monthly | $35.00 | per month |
| LeetCode Premium Yearly | $159.00 | per year |


### OLSA Mobile App

[App page](https://appshunter.io/ios/app/olsa-mobile-app/id6799881732)

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

**In-app purchases:** none


## Frequently asked questions

### Is LeetCode free?

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

### Is OLSA Mobile App free?

OLSA Mobile App is free to download, with no in-app purchases.

### Do LeetCode or OLSA Mobile App have ads?

Neither LeetCode nor OLSA Mobile App shows ads.

### Which is updated more often, LeetCode or OLSA Mobile App?

LeetCode ships an update fortnightly, and OLSA Mobile App every 2 days. Most recently, LeetCode was updated on October 19, 2026 and OLSA Mobile App 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.*