# CGEIT Certification Prep vs EPIC

The clearest difference is price: EPIC at Free against CGEIT Certification Prep's $10.99. EPIC also leads on update cadence (every 2 weeks vs every 55 months) and device support (4 vs 2). CGEIT Certification Prep's advantage is in-app purchases (none vs 1). On ads and iOS requirement there is nothing between them.

EPIC is free to download; CGEIT Certification Prep costs $10.99 up front. EPIC sells 1 one-off in-app purchase. CGEIT Certification Prep asks for nothing beyond the download.

CGEIT Certification Prep ships an update every 55 months, EPIC every 2 weeks. The most recent releases landed on August 28, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | CGEIT Certification Prep | EPIC |
| --- | --- | --- |
| Price | $10.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/epic-nasa-explorer/id6761562062/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 10 MB |
| Requires iOS | **17.5** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Roxana Scurtu](https://appshunter.io/developer/960384962) | [William Keene](https://appshunter.io/developer/1836616486) |

## What reviewers say

### CGEIT Certification Prep

[App page](https://appshunter.io/ios/app/cgeit-certification-prep/id1555339466)

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

**In-app purchases:** none


### EPIC

[App page](https://appshunter.io/ios/app/epic-nasa-explorer/id6761562062)

Discover stunning daily images from NASA, including the Astronomy Picture of the Day, Mars rover photos, and views from Hubble and James Webb. Explore curated collections, search the NASA Image Library, and save your favorite space discoveries. Watch live NASA streams and engage with STEM activities for all ages.

**Highlights:** Daily Astronomy Picture of the Day, Mars rover and Earth views, Hubble and James Webb images, Themed NASA mission collections, Searchable NASA Image Library, Save favorite images, NASA live stream

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $4.99 | one-time |


## Frequently asked questions

### Is CGEIT Certification Prep free?

CGEIT Certification Prep costs $10.99, with no in-app purchases.

### Is EPIC free?

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

### Do CGEIT Certification Prep or EPIC have ads?

Neither CGEIT Certification Prep nor EPIC shows ads.

### Which is updated more often, CGEIT Certification Prep or EPIC?

CGEIT Certification Prep ships an update every 55 months, and EPIC every 2 weeks. Most recently, CGEIT Certification Prep was updated on August 28, 2026 and EPIC on September 7, 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.*