# SyntBlaze vs SQLDOU

The clearest difference is ads: SyntBlaze at none against SQLDOU's shown. SyntBlaze also leads on update cadence (weekly vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. SyntBlaze sells 2 in-app purchases, starting at $19.99 per month and SQLDOU sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SyntBlaze ships an update weekly, SQLDOU every 3 weeks. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | SyntBlaze | SQLDOU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 100 MB | 10 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [SyntBlaze LLC](https://appshunter.io/developer/1842700159) | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) |

## What reviewers say

### SyntBlaze

[App page](https://appshunter.io/ios/app/syntblaze-coding-practice/id6753146947)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $19.99 | per month |
| Pro Yearly | $119.00 | per year |


### SQLDOU

[App page](https://appshunter.io/ios/app/sqldou/id6760616192)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SQLDOU Pro | $5.99 | one-time |


## Frequently asked questions

### Is SyntBlaze free?

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

### Is SQLDOU free?

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

### Do SyntBlaze or SQLDOU have ads?

SQLDOU shows ads; SyntBlaze does not.

### Which is updated more often, SyntBlaze or SQLDOU?

SyntBlaze ships an update weekly, and SQLDOU every 3 weeks. Most recently, SyntBlaze was updated on September 8, 2026 and SQLDOU on September 18, 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.*