# DDAYO vs Algo SQLD 문제은행

The clearest difference is ads: DDAYO at none against Algo SQLD 문제은행's shown. DDAYO also leads on update cadence (daily vs every 3 weeks). Algo SQLD 문제은행's advantage is iOS requirement (13.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DDAYO ships an update daily, Algo SQLD 문제은행 every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DDAYO | Algo SQLD 문제은행 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | — | Ad-supported |
| Size | 46 MB | 64 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JinGyun Jeong](https://appshunter.io/developer/1535411435) | [BETTER MIND co.,ltd](https://appshunter.io/developer/1602170145) |

## What reviewers say

### DDAYO

[App page](https://appshunter.io/ios/app/ddayo/id6743990712)

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

**In-app purchases:** none


### Algo SQLD 문제은행

[App page](https://appshunter.io/ios/app/algo-sqld/id6754595217)

Prepare for your SQLD certification with a comprehensive question bank. Access all practice tests and questions for free, supported by ads that can be removed with coupons. Track your progress and identify weak areas with detailed statistics and focused review modes.

**Highlights:** Free practice tests and questions, Multiple practice modes (mock test, real test, focused, quick), Review incorrect answers, Bookmark important questions, Detailed statistics for progress tracking, Ad removal option via coupons

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

**In-app purchases:** none


## Frequently asked questions

### Is DDAYO free?

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

### Is Algo SQLD 문제은행 free?

Algo SQLD 문제은행 is free to download, with no in-app purchases.

### Do DDAYO or Algo SQLD 문제은행 have ads?

Algo SQLD 문제은행 shows ads; DDAYO does not.

### Which is updated more often, DDAYO or Algo SQLD 문제은행?

DDAYO ships an update daily, and Algo SQLD 문제은행 every 3 weeks. Most recently, DDAYO was updated on October 23, 2026 and Algo SQLD 문제은행 on October 24, 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.*