# SQLmate vs KNOUON

The clearest difference is review sentiment: SQLmate at 100% against KNOUON's 0%. SQLmate also leads on update cadence (weekly vs fortnightly). KNOUON's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SQLmate sells 1 in-app purchase, starting at $1.99 per month. KNOUON asks for nothing beyond the download.

SQLmate ships an update weekly, KNOUON fortnightly. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SQLmate | KNOUON |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 100 MB | 41 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [dasong sim](https://appshunter.io/developer/1883683802) | [Korea National Open University](https://appshunter.io/developer/504499080) |

## What reviewers say

### SQLmate

[App page](https://appshunter.io/ios/app/sqlmate-sqld/id6763740901)

This app helps you prepare for the SQLD certification exam by focusing on effective review and identifying your weaknesses. It uses a science-based algorithm to schedule reviews and provides detailed explanations and practice tests to ensure you retain information.

**Highlights:** FSRS smart review scheduling, Concept learning with 135 lessons, 4,325 practice questions, Detailed explanations, Weakness analysis heatmap, Offline learning support, Mock exams

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 월간 | $1.99 | per month |


### KNOUON

[App page](https://appshunter.io/ios/app/knouon/id6797845163)

This app provides a unified learning management system for various degree and lifelong education courses. Access lectures, download video content, and receive important notifications to enhance your educational experience.

**Highlights:** Unified learning management system, Access PC-equivalent lecture content, Download lecture videos, Receive learning-related notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is SQLmate free?

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

### Is KNOUON free?

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

### Do SQLmate or KNOUON have ads?

SQLmate shows ads; KNOUON does not.

### Which is updated more often, SQLmate or KNOUON?

SQLmate ships an update weekly, and KNOUON fortnightly. Most recently, SQLmate was updated on October 2, 2026 and KNOUON on October 7, 2026.

---

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