# SQL Recipes vs RDB情報

The clearest difference is in-app purchases: RDB情報 at none against SQL Recipes's 3. SQL Recipes's advantage is ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. SQL Recipes sells 3 one-off in-app purchases. RDB情報 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 8, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | SQL Recipes | RDB情報 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (109 ratings)](https://appshunter.io/ios/app/sql-recipes-queries-commands/id1442737262/reviews)** | — |
| Number of ratings | **109** | — |
| Positive reviews | 91.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 10 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fedor Obraztsov](https://appshunter.io/developer/1012115119) | [KAZUTOSHI KINOSHITA](https://appshunter.io/developer/1148380017) |

## What reviewers say

### SQL Recipes

[App page](https://appshunter.io/ios/app/sql-recipes-queries-commands/id1442737262)

Learn and reference SQL with over 200 queries and explanations covering various SQL standards and dialects. Practice on a sample database, edit queries, and add your own. The full version unlocks all features with a one-time purchase.

**Highlights:** 200+ SQL queries with explanations, Keyword and function reference, Dialect comparison (MySQL, PostgreSQL, etc.), Practice database with runnable queries, Edit and save custom queries, Offline access (except query execution)

**Features:** iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Оperations with example | $0.99 | one-time |
| Unlock the paid topics | $0.99 | one-time |
| Pro Version – Unlimited | $1.99 | one-time |


### RDB情報

[App page](https://appshunter.io/ios/app/rdb/id1618715949)

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

**In-app purchases:** none


## Frequently asked questions

### Is SQL Recipes free?

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

### Is RDB情報 free?

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

### Do SQL Recipes or RDB情報 have ads?

RDB情報 shows ads; SQL Recipes does not.

### Which is updated more often, SQL Recipes or RDB情報?

SQL Recipes ships an update every 2 months, and RDB情報 every 2 months. Most recently, SQL Recipes was updated on November 8, 2026 and RDB情報 on November 7, 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.*