# Database Isolation Levels vs CompTIA Linux+·Server+·Cloud+

The clearest difference is in-app purchases: Database Isolation Levels at none against CompTIA Linux+·Server+·Cloud+'s 6. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CompTIA Linux+·Server+·Cloud+ sells 6 one-off in-app purchases. Database Isolation Levels asks for nothing beyond the download.

## The numbers

| Metric | Database Isolation Levels | CompTIA Linux+·Server+·Cloud+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 38 MB | 178 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AFTW LLC](https://appshunter.io/developer/1886356149) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### Database Isolation Levels

[App page](https://appshunter.io/ios/app/database-isolation-levels/id6773977039)

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

**In-app purchases:** none


### CompTIA Linux+·Server+·Cloud+

[App page](https://appshunter.io/ios/app/comptia-linux-plus-server-plus-cloud-plus/id6795148715)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CompTIA Server Add-on Discount | $2.49 | one-time |
| CompTIA Cloud+ Add-on Discount | $2.49 | one-time |
| CompTIA Linux+ Add-on Discount | $3.49 | one-time |
| CompTIA Server+ SK0-005 | $4.99 | one-time |
| CompTIA Cloud+ CV0-004 | $4.99 | one-time |
| Lifetime Access | $6.99 | one-time |


## Frequently asked questions

### Is Database Isolation Levels free?

Database Isolation Levels is free to download, with no in-app purchases.

### Is CompTIA Linux+·Server+·Cloud+ free?

CompTIA Linux+·Server+·Cloud+ is free to download, with in-app purchases available.

### Do Database Isolation Levels or CompTIA Linux+·Server+·Cloud+ have ads?

Neither Database Isolation Levels nor CompTIA Linux+·Server+·Cloud+ 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.*