# CISSP Prep vs ABIS I

The clearest difference is in-app purchases: ABIS I at none against CISSP Prep's 3. CISSP Prep's advantage is iOS requirement (14.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. CISSP Prep sells 3 in-app purchases, starting at $4.99 per 7 days. ABIS I asks for nothing beyond the download.

## The numbers

| Metric | CISSP Prep | ABIS I |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 36 MB | 37 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SG APPs](https://appshunter.io/developer/1507658418) | [Sanjay Saklani](https://appshunter.io/developer/1703045506) |

## What reviewers say

### CISSP Prep

[App page](https://appshunter.io/ios/app/cissp-prep/id6740624648)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Subscription CISSP Prep | $4.99 | per 7 days |
| 1 Month CISSP Prep Access | $7.99 | per month |
| 6Months CISSP Prep Access | $9.99 | per 6 months |


### ABIS I

[App page](https://appshunter.io/ios/app/abis-i-learn/id6758036758)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CISSP Prep free?

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

### Is ABIS I free?

ABIS I is free to download, with no in-app purchases.

### Do CISSP Prep or ABIS I have ads?

Neither CISSP Prep nor ABIS I 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.*