# Learn PostgreSQL Database vs C++ Data Structures & Algo Pro

The clearest difference is price: Learn PostgreSQL Database at $2.99 against C++ Data Structures & Algo Pro's $4.99. Learn PostgreSQL Database also leads on iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Learn PostgreSQL Database costs $2.99 and C++ Data Structures & Algo Pro $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Learn PostgreSQL Database | C++ Data Structures & Algo Pro |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Size | 63 MB | 18 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 9+ | 4+ |
| Developer | [Shahbaz Khan](https://appshunter.io/developer/1479963383) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Learn PostgreSQL Database

[App page](https://appshunter.io/ios/app/learn-postgresql-database/id6753865971)

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

**In-app purchases:** none


### C++ Data Structures & Algo Pro

[App page](https://appshunter.io/ios/app/c-plus-plus-data-structures-and-algo-pro/id6756353972)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Learn PostgreSQL Database free?

Learn PostgreSQL Database costs $2.99, with no in-app purchases.

### Is C++ Data Structures & Algo Pro free?

C++ Data Structures & Algo Pro costs $4.99, with no in-app purchases.

### Do Learn PostgreSQL Database or C++ Data Structures & Algo Pro have ads?

Neither Learn PostgreSQL Database nor C++ Data Structures & Algo Pro shows ads.

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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.*