# FAA FOI Flight Instructor Prep vs CELPIP Prep 2026

The clearest difference is price: CELPIP Prep 2026 at Free against FAA FOI Flight Instructor Prep's $2.99. FAA FOI Flight Instructor Prep's advantage is iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

CELPIP Prep 2026 is free to download; FAA FOI Flight Instructor Prep costs $2.99 up front. FAA FOI Flight Instructor Prep sells 1 one-off in-app purchase and CELPIP Prep 2026 sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | FAA FOI Flight Instructor Prep | CELPIP Prep 2026 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/celpip-prep-2026-langprep/id6797781797/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 53 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Andrey Andreyev](https://appshunter.io/developer/1418253369) | [PLC ScootAPI OU](https://appshunter.io/developer/1714619811) |

## What reviewers say

### FAA FOI Flight Instructor Prep

[App page](https://appshunter.io/ios/app/faa-foi-flight-instructor-prep/id6499519333)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fundamentals of Instructing | $9.99 | one-time |


### CELPIP Prep 2026

[App page](https://appshunter.io/ios/app/celpip-prep-2026-langprep/id6797781797)

This app provides AI-powered practice for the CELPIP test, offering feedback on speaking and writing skills. It includes practice tests, vocabulary tips, and strategies to help users improve their scores and reach their target CELPIP level.

**Highlights:** AI Speaking and Writing feedback, Practice all 8 Speaking tasks, Practice Email and Survey Writing, Listening and Reading practice, Exam-style practice tests, Level tracking and progress monitoring, Vocabulary and strategy guides

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Access | $6.99 | per 7 days |
| Monthly Pro Access | $12.99 | per month |


## Frequently asked questions

### Is FAA FOI Flight Instructor Prep free?

FAA FOI Flight Instructor Prep costs $2.99, and also offers in-app purchases.

### Is CELPIP Prep 2026 free?

CELPIP Prep 2026 is free to download, with in-app purchases available.

### Do FAA FOI Flight Instructor Prep or CELPIP Prep 2026 have ads?

Neither FAA FOI Flight Instructor Prep nor CELPIP Prep 2026 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.*