# iEFIS Light vs FlightSight

The clearest difference is price: iEFIS Light at Free against FlightSight's $1.99. iEFIS Light also leads on update cadence (every 3 weeks vs every 4 months). FlightSight's advantage is rating (5.0 vs 1.0) and in-app purchases (none vs 1). On ratings volume, ads, device support and iOS requirement there is nothing between them.

iEFIS Light is free to download; FlightSight costs $1.99 up front. iEFIS Light sells 1 one-off in-app purchase. FlightSight asks for nothing beyond the download.

FlightSight holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

iEFIS Light ships an update every 3 weeks, FlightSight every 4 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | iEFIS Light | FlightSight |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/iefis-light/id1214266684/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flightsight/id1266374148/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#127** |
| Size | 12 MB | 2 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [airWORK aviation media UG](https://appshunter.io/developer/1055282750) | [Timothy Kelley](https://appshunter.io/developer/1107488020) |

## What reviewers say

### iEFIS Light

[App page](https://appshunter.io/ios/app/iefis-light/id1214266684)

This app transforms your iPhone or iPad into a portable Primary Flight Display (PFD) by connecting to an iLEVIL SW AHRS system. It offers essential flight data like groundspeed, altitude, and heading, with customizable views and calibration options.

**Highlights:** Portable EFIS PFD, Connects to iLEVIL AHRS, Groundspeed display, GPS altitude, Customizable course rose, Attitude indicator calibration

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $2.99 | one-time |


### FlightSight

[App page](https://appshunter.io/ios/app/flightsight/id1266374148)

**Currently charting:** #127 Top Paid · Navigation (US App Store)

This aviation app helps pilots determine if their flight path is above or below distant objects. Position the sight target on clouds, mountains, or other aircraft to get degree-based altitude information. It functions as a low-budget Heads-Up Display for iPhones and iPads.

**Highlights:** Determine flight path altitude relative to objects, Position sight target on clouds, mountains, or aircraft, Displays altitude in degrees, Low-budget Heads-Up Display functionality, Four selectable display modes, Supports portrait and landscape orientations, Zoom functionality via finger gestures, Save images with embossed flight information

**In-app purchases:** none


## Frequently asked questions

### Is iEFIS Light free?

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

### Is FlightSight free?

FlightSight costs $1.99, with no in-app purchases.

### Which has better reviews, iEFIS Light or FlightSight?

FlightSight is rated higher. iEFIS Light averages 1.0 out of 5 from 1 ratings, while FlightSight averages 5.0 from 2 ratings.

### Do iEFIS Light or FlightSight have ads?

Neither iEFIS Light nor FlightSight shows ads.

### Which is updated more often, iEFIS Light or FlightSight?

iEFIS Light ships an update every 3 weeks, and FlightSight every 4 months. Most recently, iEFIS Light was updated on October 14, 2026 and FlightSight on October 13, 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.*