# LeetCode vs Synaelo

The clearest difference is ratings volume: LeetCode at 626 against Synaelo's 2. LeetCode also leads on monetization model (ad-supported vs freemium). Synaelo's advantage is update cadence (every 5 days vs fortnightly) and rating (5.0 vs 4.8). On price, ads, in-app purchases 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 and Synaelo sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Synaelo holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: LeetCode has 626 ratings behind it against 2, so its average is the more settled of the two.

LeetCode ships an update fortnightly, Synaelo every 5 days. The most recent releases landed on October 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | LeetCode | Synaelo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (626 ratings)](https://appshunter.io/ios/app/leetcode/id6755816119/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synaelo-scrollable-notes/id6797167069/reviews)** |
| Number of ratings | **626** | 2 |
| Positive reviews | 44.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | **Ad-supported** | Freemium |
| Size | 110 MB | 7 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [LeetCode](https://appshunter.io/developer/1739326909) | [Michael Cecilio](https://appshunter.io/developer/6797167071) |

## 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 |


### Synaelo

[App page](https://appshunter.io/ios/app/synaelo-scrollable-notes/id6797167069)

Transform your notes, PDFs, and images into engaging, personalized learning lessons. This app creates a scrollable feed with explanations, examples, and questions tailored to your study style and material.

**Highlights:** Personalized learning feed, Converts notes, PDFs, images, Adjustable lesson depth, Multiple explanation styles, Interactive questions, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synaelo Plus Monthly | $6.99 | per month |
| Synaelo Plus | $69.99 | per year |


## Frequently asked questions

### Is LeetCode free?

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

### Is Synaelo free?

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

### Which has better reviews, LeetCode or Synaelo?

Synaelo is rated higher. LeetCode averages 4.8 out of 5 from 626 ratings, while Synaelo averages 5.0 from 2 ratings.

### Do LeetCode or Synaelo have ads?

Neither LeetCode nor Synaelo shows ads.

### Which is updated more often, LeetCode or Synaelo?

LeetCode ships an update fortnightly, and Synaelo every 5 days. Most recently, LeetCode was updated on October 11, 2026 and Synaelo on September 21, 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.*