# Zephyr Mobile Controller vs Part 107

The clearest difference is rating: Part 107 at 4.6 against Zephyr Mobile Controller's 1.0. Part 107 also leads on update cadence (every 5 weeks vs every 16 months) and review sentiment (26% vs 0%). Zephyr Mobile Controller's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Part 107 sells 10 in-app purchases, starting at $2.99 per 7 days. Zephyr Mobile Controller asks for nothing beyond the download.

Part 107 holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Part 107 has 1K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Zephyr Mobile Controller's written reviews are positive against 26% of Part 107's.

Zephyr Mobile Controller ships an update every 16 months, Part 107 every 5 weeks. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Zephyr Mobile Controller | Part 107 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/zephyr-mobile-controller/id1447511206/reviews) | **[4.6 (1K ratings)](https://appshunter.io/ios/app/part-107-faa-practice-test/id6463893807/reviews)** |
| Number of ratings | 3 | **1K** |
| Positive reviews | 0.0% of reviews | **25.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 73 MB | 93 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Little Arms Studios](https://appshunter.io/developer/827625791) | [Aleksandr Alekseev](https://appshunter.io/developer/1227414052) |

## What reviewers say

### Zephyr Mobile Controller

[App page](https://appshunter.io/ios/app/zephyr-mobile-controller/id1447511206)

Control drone simulations using your mobile device as a touchscreen controller. Connect your phone or tablet to the same network as the simulator for an immersive training experience.

**Highlights:** Touchscreen drone control, Mobile simulator interface, Network connectivity required, Requires Zephyr Drone Simulator account

**Features:** macOS Compatibility

**In-app purchases:** none


### Part 107

[App page](https://appshunter.io/ios/app/part-107-faa-practice-test/id6463893807)

Prepare for the FAA's Part 107 exam with realistic practice tests and interactive study modes. Track your progress, review detailed explanations, and build confidence for commercial drone operation.

**Highlights:** Practice tests covering all topics, Interactive study modes, Realistic sample questions, Progress tracking, Detailed explanations, Personalized study plan

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Part 107 & FAA Exam - Week | $2.99 | per 7 days |
| Part 107 & FAA Exam - Week | $4.99 | per 7 days |
| Part 107 & FAA Exam - Week | $6.99 | per 7 days |
| Part 107 & FAA Exam - Month | $6.99 | per month |
| Part 107 & FAA Exam - Week | $8.99 | per 7 days |
| Part 107 & FAA Exam - Year | $14.99 | per year |
| Part 107 & FAA Exam - Month | $14.99 | per month |
| Part 107 & FAA Exam - Year | $19.99 | per year |
| Part 107 & FAA Exam - Year | $29.99 | per year |
| Part 107 & FAA Exam - Year | $49.99 | per year |

**What reviewers like**

- 🚀 Helpful for 107 preparation
- 👍 Passed the test first try

**What reviewers complain about**

- 🐛 Repeats the same questions
- 🐛 Broken and buggy
- 💸 Expensive with ads
- 🤔 Questions not representative of the actual test

**Reported bugs**

- Repeated questions on practice exams
- Inability to zoom in on maps and charts
- Ads not removed after purchasing premium

**Requested features**

- Provide study material, not just questions
- Improve question quality and variety
- Fix the practice test functionality


## Frequently asked questions

### Is Zephyr Mobile Controller free?

Zephyr Mobile Controller is free to download, with no in-app purchases.

### Is Part 107 free?

Part 107 is free to download, with in-app purchases available.

### Which has better reviews, Zephyr Mobile Controller or Part 107?

Part 107 is rated higher. Zephyr Mobile Controller averages 1.0 out of 5 from 3 ratings, while Part 107 averages 4.6 from 1K ratings.

### Do Zephyr Mobile Controller or Part 107 have ads?

Part 107 shows ads; Zephyr Mobile Controller does not.

### Which is updated more often, Zephyr Mobile Controller or Part 107?

Zephyr Mobile Controller ships an update every 16 months, and Part 107 every 5 weeks. Most recently, Zephyr Mobile Controller was updated on October 12, 2026 and Part 107 on October 20, 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.*