# FAA Flight Instructor Prep CFI vs ELF Atlas

The clearest difference is ads: FAA Flight Instructor Prep CFI at none against ELF Atlas's shown. ELF Atlas's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. FAA Flight Instructor Prep CFI sells 3 in-app purchases, starting at $9.99 per month and ELF Atlas sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | FAA Flight Instructor Prep CFI | ELF Atlas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Size | 6 MB | 135 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) | [Olga Ivanova](https://appshunter.io/developer/1733570435) |

## What reviewers say

### FAA Flight Instructor Prep CFI

[App page](https://appshunter.io/ios/app/faa-flight-instructor-prep-cfi/id6787002374)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $49.99 | per year |
| Premium Lifetime | $99.99 | one-time |


### ELF Atlas

[App page](https://appshunter.io/ios/app/elf-atlas/id6800626468)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| elfatlas_by_oliva_subscription | $1.99 | per month |
| elfatlas_by_oliva_donation | $1.99 | one-time |


## Frequently asked questions

### Is FAA Flight Instructor Prep CFI free?

FAA Flight Instructor Prep CFI is free to download, with in-app purchases available.

### Is ELF Atlas free?

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

### Do FAA Flight Instructor Prep CFI or ELF Atlas have ads?

ELF Atlas shows ads; FAA Flight Instructor Prep CFI does not.

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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.*