Comparison

igc Viewer vs Flight Navigator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

igc Viewer

Easily view flight data from .igc files. Simply open the file through your device's File App or share it directly to the application. It handles various file sizes, displaying your flight information efficiently.

Highlights
  • Open .igc files
  • File App integration
  • Share to app functionality
  • Handles various file sizes
  • Displays flight information
Features
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How to use. - Open File App. (Alternatively, click the share button and open with 'copy to igc viewer') - Select [.igc] file. - The app will open igc file (it might take a few seconds depending on the file size).

About

Flight Navigator

Features
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【Flight Navigator】 フライトナビゲーター Flight Navigatorは、パイロットのフライトナビゲーションを助けるiPhoneアプリです。 このアプリは、フライトに必要な位置情報や空域の情報、そしてルートを簡単に把握できる便利なツールとなっています。 特に、ミリタリートレーニング/オペレーションに特化した設計がされており、補助アビオニクスとして活用できます。 主な特徴: 1. 位置情報と空域の情報:Flight Navigatorは、GPS機能を活用して現在の位置情報を提供します。さらに、地図や空域情報を提供し、飛行中の位置と周囲の状況を一目で把握することができます。 2. ルートプランニング:Flight Navigatorは、簡単なルートプランニング機能を提供します。出発地と経由FIX、目的地を入力することで、地図上にルートを表示します。 3. ミリタリーオペレーションに特化:Flight Navigatorは、ミリタリーオペレーションに必要な情報を提供します。常にBullseyeを基準にした自機位置を表示するほか、ピンを打った場所の座標、自機位置からの距離、Bullseyeからの距離、到達時間等を表示することが可能です。 ユーザー独自のエリアの入力が可能で、Bullseyeを基準にしたエリア作成も可能です。データはCSVファイルとしてファイルAppで管理できるため、AirDropを使用したデータのシェアが可能です。 【Flight Navigator】  Flight Navigator is an iPhone app designed to assist pilots in flight navigation.  This app serves as a convenient tool for easily accessing essential information such as position data, airspace details, and route visualization. It is specifically tailored for military training and operations, making it a valuable companion for aviators. Key Features: Position and Airspace Information: Flight Navigator utilizes GPS functionality to provide real-time position data. It also offers detailed maps and airspace information, allowing pilots to quickly grasp their location and surroundings during flight. Route Planning: Flight Navigator offers a straightforward route planning feature. By inputting departure, waypoint (FIX), and destination point, the app displays the route on the map. Specialized for Military Operations: Flight Navigator caters to the specific needs of military operations by providing essential information. It displays the user's position based on Bullseye reference, along with coordinates, distances from self to pinned locations, distances from Bullseye, and estimated time of arrival. Users can input custom areas and create zones based on Bullseye reference. The data can be managed as CSV files within the File app, enabling easy sharing of data via AirDrop. [Map options]  You can pick "North up ", "Heading up mode" or any direction. You can choose standard map (default) or satellite map. [Radial/DME from Bulls Eye]  Label on the top shows Radial/DME from certain point which you put on the Bulls Eye window.  Bulls Eye coordinates must be filled with Latitude / Longitude DMM format in the system tab. [Speed indicator]  GPS ground speed (GS knot) indicator is on bottom of Bulls Eye label.   [Annotation (Pin) options]  You can put a pin on the map with long tap.  Also you can remove a pin with 3-finger tap. Main    → The title which will be shown with one long tap. Sub     → The subtitle which will be shown with one another tap on the pin. [Area Tab] This tab is for making user optional flight area on the map. You can make area from BE radial/DME, also available for making circled line. Data is savable to File App as CSV data. You can pick those up either Area tab or Layer page. [Layer page] You can pick csv data from File App. [Route Tab] This tab is for making user optional flight route on the map. Now, available for - Japanese FIXs and NAVAIDs - World VOR, TACAN, VORTAC - Europe Free Route Airspace points - US FIXs and NAVAIDs [Calculator Tab] Fr me: From me   → It shows Radial/DME from myself to pin. Fr BE: From BullsEye    → It shows Radial/DME from Bulls Eye to pin. LatLon: Latitude Londitude   → It shows Latitude and Londitude. minus means "South" or "West" respectively. Time: MMM'SS   → It shows time of flight to pin. (Distance devided by ground speed)       It does not include time of turn.

Screenshots

igc Viewer4 screens
Flight Navigator4 screens

Verdict

The call

The clearest difference is in-app purchases: Flight Navigator at none against igc Viewer's 1. Flight Navigator also leads on update cadence (every 3 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. igc Viewer sells 1 one-off in-app purchase. Flight Navigator asks for nothing beyond the download.

UpkeepUpdate frequency

igc Viewer ships an update every 4 months, Flight Navigator every 3 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 8 level
igc Viewer versus Flight Navigator: the parameters behind the verdict, then further details
Parameterigc ViewerFlight Navigator
PriceFreeFree
Rating4.0 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size83 MB4 MB
Age rating4+4+
DeveloperHiroki KijimaKazuhiro Ota

In-app purchases

1 purchases

igc Viewer

One-time1
  • Flight Computer Mode$4.99
None

Flight Navigator

No in-app purchases

Questions

Is igc Viewer free?
igc Viewer is free to download, with in-app purchases available.
Is Flight Navigator free?
Flight Navigator is free to download, with no in-app purchases.
Do igc Viewer or Flight Navigator have ads?
Neither igc Viewer nor Flight Navigator shows ads.
Which is updated more often, igc Viewer or Flight Navigator?
igc Viewer ships an update every 4 months, and Flight Navigator every 3 weeks. Most recently, igc Viewer was updated on October 25, 2026 and Flight Navigator on October 27, 2026.

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