# RealADSB vs Flight Test X20

The clearest difference is price: Flight Test X20 at Free against RealADSB's $6.99. Flight Test X20 also leads on rating (3.9 vs 3.0) and review sentiment (60% vs 35%). RealADSB's advantage is device support (5 vs 1). On update cadence, ads and in-app purchases there is nothing between them.

Flight Test X20 is free to download; RealADSB costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Flight Test X20 holds the better App Store score, 3.9 against 3.0. That said, the two scores are not equally well evidenced: Flight Test X20 has 95 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 35% of RealADSB's written reviews are positive against 60% of Flight Test X20's.

RealADSB ships an update monthly, Flight Test X20 every 5 weeks. The most recent releases landed on October 6, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | RealADSB | Flight Test X20 |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/realadsb/id743911968/reviews) | **[3.9 (95 ratings)](https://appshunter.io/ios/app/flight-test-x20/id1501097608/reviews)** |
| Number of ratings | 4 | **95** |
| Positive reviews | 35.3% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Paid | **Free** |
| Size | 52 MB | 25 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nikolay Klimchuk](https://appshunter.io/developer/283288431) | [Sheppard Air, Inc.](https://appshunter.io/developer/595077420) |

## What reviewers say

### RealADSB

[App page](https://appshunter.io/ios/app/realadsb/id743911968)

Track local air traffic from your device using ADS-B data feeds. View aircraft on a map or list, filter by various parameters, and access additional flight information. Supports custom feeds and public data sources.

**Highlights:** ADS-B traffic feed consumption, Map and list view of aircraft, Aircraft filtering by tail number, callsign, type, METAR and altitude adjustments, Push notifications for squawks 7600/7700, Integration with online flight resources

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Flight Test X20

[App page](https://appshunter.io/ios/app/flight-test-x20/id1501097608)

Prepare for FAA knowledge tests with this comprehensive study platform. It offers top-off preparation for various pilot and aviation professional written exams, including instrument rating and ATP.

**Highlights:** FAA knowledge test preparation, Pilot study course, Dispatcher study course, Instrument rating preparation, Instructor written test prep, ATP written test prep

**In-app purchases:** none


## Frequently asked questions

### Is RealADSB free?

RealADSB costs $6.99, with no in-app purchases.

### Is Flight Test X20 free?

Flight Test X20 is free to download, with no in-app purchases.

### Which has better reviews, RealADSB or Flight Test X20?

Flight Test X20 is rated higher. RealADSB averages 3.0 out of 5 from 4 ratings, while Flight Test X20 averages 3.9 from 95 ratings.

### Do RealADSB or Flight Test X20 have ads?

Neither RealADSB nor Flight Test X20 shows ads.

### Which is updated more often, RealADSB or Flight Test X20?

RealADSB ships an update monthly, and Flight Test X20 every 5 weeks. Most recently, RealADSB was updated on October 6, 2026 and Flight Test X20 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.*