# CISSP Practice Test Prep vs OMAD

The clearest difference is in-app purchases: OMAD at none against CISSP Practice Test Prep's 1. OMAD also leads on update cadence (every 2 weeks vs every 6 months). CISSP Practice Test Prep's advantage is iOS requirement (9.2 vs 15.1). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. CISSP Practice Test Prep sells 1 one-off in-app purchase. OMAD asks for nothing beyond the download.

CISSP Practice Test Prep ships an update every 6 months, OMAD every 2 weeks. The most recent releases landed on September 24, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | CISSP Practice Test Prep | OMAD |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 7 MB | 28 MB |
| Requires iOS | **9.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MOON MOUNTAIN INC](https://appshunter.io/developer/1555760990) | [DIERBRO SRLS](https://appshunter.io/developer/1459630613) |

## What reviewers say

### CISSP Practice Test Prep

[App page](https://appshunter.io/ios/app/cissp-practice-test-prep/id1439071492)

Prepare for your Certified Information Security Professional (CISSP) exam with over 1000 practice questions. This app utilizes a proprietary learning technique based on cognitive psychology to aid memorization and understanding. Try 10 free questions daily before upgrading to the full paid version.

**Highlights:** Over 1000 practice questions, Proprietary Effective Learning Strategy (ELS™), Daily free questions, Upgrade to paid version, Pass or its free guarantee

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CISSP Practice Test Premium | $9.99 | one-time |


### OMAD

[App page](https://appshunter.io/ios/app/omad-one-button-tracker/id6753858347)

This app offers a minimalist approach to tracking your one meal a day (OMAD) fasting. It focuses solely on one-tap logging of your eating window, with no distractions from gamification or social features. Your data is private and stored locally on your device.

**Highlights:** One-tap eating window tracking, Edit past entries, Export data, Weekly history and averages, Offline functionality, No signup or cloud storage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CISSP Practice Test Prep free?

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

### Is OMAD free?

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

### Do CISSP Practice Test Prep or OMAD have ads?

Neither CISSP Practice Test Prep nor OMAD shows ads.

### Which is updated more often, CISSP Practice Test Prep or OMAD?

CISSP Practice Test Prep ships an update every 6 months, and OMAD every 2 weeks. Most recently, CISSP Practice Test Prep was updated on September 24, 2026 and OMAD on September 27, 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.*