Comparison

Pilot's Altimeter vs E6B Flight Computer

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

Head to head
About

Pilot's Altimeter

This app provides a realistic barometric altimeter experience for aviators on Apple Watch. It utilizes the device's barometer and a classic dial display to show altitude changes. Users can set local pressure for accurate readings, with warnings for stale data.

Highlights
  • Authentic dial display
  • Utilizes Apple Watch barometer
  • Kollsman window for pressure setting
  • Altitude display updates in real-time
  • Stale data warning system
  • Training tool for pilots
Read full description

Introducing Pilot's Altimeter: The best app for aviators seeking an altimeter that works just like in a real aircraft; harnessing the power of your Apple Watch's barometer and classic dial display to give you an authentic experience. Whether you are a novice pilot or a seasoned pro, make Pilot's Altimeter your go-to training tool or wrist companion. Student pilots can gain a deeper understanding of traditional pressure altimeters before taking flight. To Use: Set the current pressure setting at your location in the Kollsman Window using the digital crown. This can be found by looking up the METAR at your closest airport or if you know your current elevation you can set that altitude on the dial. As a last resort you can get your GPS altitude from your phone or watch and set this on the dial. Once the altimeter is set to the local pressure, the dial will update to display your current altitude as it changes. Changes in weather throughout the day or traveling a large distance will change the local pressure so be sure to update the setting frequently to get the most accurate results. Updates to the barometer data can be delayed in certain conditions. Pilot's Altimeter has implemented an escalating warning system to notify you of stale barometer readings: - Yellow BARO Warning: The barometer data is older than 5 seconds. - Orange BARO Warning: The barometer data is older than 15 seconds. - Red BARO Warning: The barometer data is older than 30 seconds. - Red Flashing BARO Warning: The barometer data is older than 60 seconds. - Anytime the barometer data is more than 15 seconds, the seconds will be shown in the upper right. Accuracy Disclaimer: The barometers in your Apple Watch are highly accurate but are not calibrated to the standards of the altimeters found in real aircraft. Additionally, due to how the Apple Watch provides this data to applications there can be a delay between readings. Lastly, being an electronic device with very small sensors there are more failure modes than analog altimeters. Pilot's Altimeter makes every effort to make it clear to the user how reliable the data being displayed is, however it is no substitute for real instruments and should not be used as a primary or even secondary flight device. THE USER ASSUMES ALL RISK FROM USE OF THIS APPLICATION IN AN AIRCRAFT

About

E6B Flight Computer

Features
Read full description

The flight computer and the weather decoder in one app, paid for once. Foxtro is the E6B every student and private pilot does on the ramp and at the kitchen table, without the slide rule and without a subscription. Type in what you know and read what you need, offline, on iPhone and iPad. LIVE METAR AND TAF, DECODED β€’ Search any airport in the world by ICAO, IATA or name, even without a connection β€’ VFR, MVFR, IFR and LIFR at a glance, with wind, visibility, ceiling, temperature, altimeter and density altitude on one card β€’ Every group of the raw report translated to plain English β€’ The TAF on a timeline: each period in its own category colour, with a line where now is β€’ Paste any raw METAR or TAF from anywhere and decode it offline β€’ Favourite airports, cached for the ramp RUNWAY WINDS β€’ The headwind and crosswind on every runway, worked out from the live report against each runway's true heading β€’ The favoured runway, the gust and the worst case across a variable wind β€’ The wind in magnetic too, the way the tower reads it PERSONAL MINIMUMS Set your own ceiling, visibility, wind and crosswind limits, or the ones in your solo endorsement, and every airport is checked against them: within or outside, and exactly why. E6B FLIGHT COMPUTER β€’ The wind triangle: heading, ground speed and wind correction angle from course, TAS and the winds aloft, drawn as you type β€’ Find the wind from what you actually flew β€’ True airspeed from calibrated airspeed, pressure altitude and temperature β€’ Pressure altitude and density altitude β€’ Time, speed and distance, any one from the other two β€’ Fuel burn, endurance and range β€’ Runway headwind and crosswind components β€’ Estimated cloud base from temperature and dew point β€’ Conversions: knots, mph and km/h; nautical and statute miles; feet and metres; gallons, litres and pounds; inHg and hPa; Β°C and Β°F WEIGHT AND BALANCE Set up your aircraft from its own POH once β€” empty weight and arm, seats, baggage, fuel and the CG envelope β€” then load it for each flight and see the takeoff and landing points on the envelope. NIGHT AND DAY A dark cockpit look for before dawn and after dusk, and a Day mode that stays readable in full sun. PAY ONCE The calculators, the decoder and the runway winds are free. One purchase unlocks weight and balance, personal minimums, the TAF timeline and unlimited favourite airports with offline caching. No subscription, no ads, no account. Weather comes from the US National Weather Service's Aviation Weather Center; runway data from OurAirports. Foxtro is a planning aid, not a certified navigation or briefing source; always confirm with an official briefing before flight. Privacy policy: https://foxtro.vadapalas-zigmas.workers.dev/privacy Terms of use: https://foxtro.vadapalas-zigmas.workers.dev/terms

Screenshots

E6B Flight Computer4 screens

Verdict

The call

The clearest difference is price: E6B Flight Computer at Free against Pilot's Altimeter's $2.99. Pilot's Altimeter's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.0). On update cadence, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

E6B Flight Computer is free to download; Pilot's Altimeter costs $2.99 up front. E6B Flight Computer sells 1 one-off in-app purchase. Pilot's Altimeter asks for nothing beyond the download.

UpkeepUpdate frequency

Pilot's Altimeter ships an update fortnightly, E6B Flight Computer every 9 days. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

Scorecard3 real differences Β· 4 level
Pilot's Altimeter versus E6B Flight Computer: the parameters behind the verdict, then further details
ParameterPilot's AltimeterE6B Flight Computer
Price$2.99Free β€” better
Update frequencyFortnightlyEvery 9 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationPaidβ€”
DevicesiPhone, iPod, Apple Watch β€” betteriPhone, iPad
Requires iOS13.0 β€” better17.0
Further details β€” not scored
Size1 MB5 MB
Age rating4+4+
DeveloperTwo Morrows Technology LLCZigmas Vadapalas

In-app purchases

None

Pilot's Altimeter

No in-app purchases

1 purchases

E6B Flight Computer

One-time1
  • Foxtro Pro$9.99

Questions

Is Pilot's Altimeter free?
Pilot's Altimeter costs $2.99, with no in-app purchases.
Is E6B Flight Computer free?
E6B Flight Computer is free to download, with in-app purchases available.
Do Pilot's Altimeter or E6B Flight Computer have ads?
Neither Pilot's Altimeter nor E6B Flight Computer shows ads.
Which is updated more often, Pilot's Altimeter or E6B Flight Computer?
Pilot's Altimeter ships an update fortnightly, and E6B Flight Computer every 9 days. Most recently, Pilot's Altimeter was updated on October 6, 2026 and E6B Flight Computer on October 14, 2026.

Other comparisons