# uCertifyPrep Oracle DB 12c vs Database Query Logic

The clearest difference is in-app purchases: Database Query Logic at none against uCertifyPrep Oracle DB 12c's 1. On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | uCertifyPrep Oracle DB 12c | Database Query Logic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 19 months | — |
| Size | 121 MB | 38 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [uCertify.com](https://appshunter.io/developer/1130631061) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## 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 |


### Database Query Logic

[App page](https://appshunter.io/ios/app/database-query-logic/id6774180202)

**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 Database Query Logic free?

Database Query Logic is free to download, with no in-app purchases.

### Do uCertifyPrep Oracle DB 12c or Database Query Logic have ads?

Neither uCertifyPrep Oracle DB 12c nor Database Query Logic 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.*