# uCertifyPrep Oracle DB 12c vs SQL Programming Guide

The clearest difference is in-app purchases: SQL Programming Guide at none against uCertifyPrep Oracle DB 12c's 1. SQL Programming Guide also leads on update cadence (every 2 months vs every 19 months). uCertifyPrep Oracle DB 12c's advantage is iOS requirement (14.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. uCertifyPrep Oracle DB 12c sells 1 one-off in-app purchase. SQL Programming Guide asks for nothing beyond the download.

uCertifyPrep Oracle DB 12c ships an update every 19 months, SQL Programming Guide every 2 months. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | uCertifyPrep Oracle DB 12c | SQL Programming Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Size | 121 MB | 12 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [uCertify.com](https://appshunter.io/developer/1130631061) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### uCertifyPrep Oracle DB 12c

[App page](https://appshunter.io/ios/app/ucertifyprep-oracle-db-12c/id1664325198)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| uCertifyPrep Oracle DB 12c | $49.99 | one-time |


### SQL Programming Guide

[App page](https://appshunter.io/ios/app/sql-programming-guide/id6739251169)

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

**In-app purchases:** none


## Frequently asked questions

### Is uCertifyPrep Oracle DB 12c free?

uCertifyPrep Oracle DB 12c is free to download, with in-app purchases available.

### Is SQL Programming Guide free?

SQL Programming Guide is free to download, with no in-app purchases.

### Do uCertifyPrep Oracle DB 12c or SQL Programming Guide have ads?

Neither uCertifyPrep Oracle DB 12c nor SQL Programming Guide shows ads.

### Which is updated more often, uCertifyPrep Oracle DB 12c or SQL Programming Guide?

uCertifyPrep Oracle DB 12c ships an update every 19 months, and SQL Programming Guide every 2 months. Most recently, uCertifyPrep Oracle DB 12c was updated on October 13, 2026 and SQL Programming Guide on October 19, 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.*