# SQL Code Play vs KLB Public School

The clearest difference is in-app purchases: KLB Public School at none against SQL Code Play's 3. KLB Public School also leads on ads (none vs shown) and update cadence (monthly vs every 16 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SQL Code Play sells 3 in-app purchases, starting at $0.99 per month. KLB Public School asks for nothing beyond the download.

SQL Code Play ships an update every 16 months, KLB Public School monthly. The most recent releases landed on October 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SQL Code Play | KLB Public School |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 89 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Merbin Joe](https://appshunter.io/developer/1281696078) | [DYNAMIC TECHNOSOFT](https://appshunter.io/developer/1607803655) |

## What reviewers say

### SQL Code Play

[App page](https://appshunter.io/ios/app/sql-code-play-learn-sql/id1330119915)

Learn and practice SQL with a live editor and offline support. This app offers over 70 examples, instant output, and in-depth explanations for beginners and professionals. Prepare for interviews and master SQL concepts on your mobile device.

**Highlights:** Built-in SQL editor with SQLite compiler, 70+ real SQL examples, Instant query output, In-depth explanations, Offline SQL learning, Save and edit custom queries, SQL interview preparation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Ad-Free | $0.99 | per month |
| Six Month Ad-Free | $2.99 | per 6 months |
| 1 Year No Ads Access | $4.99 | per year |


### KLB Public School

[App page](https://appshunter.io/ios/app/klb-public-school/id6770247927)

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

**In-app purchases:** none


## Frequently asked questions

### Is SQL Code Play free?

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

### Is KLB Public School free?

KLB Public School is free to download, with no in-app purchases.

### Do SQL Code Play or KLB Public School have ads?

SQL Code Play shows ads; KLB Public School does not.

### Which is updated more often, SQL Code Play or KLB Public School?

SQL Code Play ships an update every 16 months, and KLB Public School monthly. Most recently, SQL Code Play was updated on October 25, 2026 and KLB Public School on September 30, 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.*