# Tank Switch: Pilot Fuel Timer — Fuel Tracking & Watch Alarm

> Fuel Tracking & Watch Alarm (iPhone/iPad app by Western Chancellor LLC.)

- Source: https://appshunter.io/ios/app/tank-switch-pilot-fuel-timer/id6825129566 (this page in markdown: same URL + `.md`)
- Developer: [Western Chancellor LLC](https://appshunter.io/developer/6810377018)
- Category: Navigation, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.1 · 5 MB
- Languages: American English
- Released: 2026-11-05
- Data updated: 2026-11-07

## What is Tank Switch?

Tank Switch tracks your fuel use so you always know your fuel level in each tank. Tank Switch alerts you to change tanks and when fuel levels in a tank reach your preset levels for low, very low and empty. The app targets landing with the fuel tanks balanced.

Enter the initial fuel level for each tank and start the flight. In flight, update your fuel flow and the totalizer's fuel used as you fly, and enter your estimated fuel at destination. Tap the button when you switch tanks. The app tracks the fuel level in each tank. It alerts you in advance on your device when you need to switch tanks. All input fields can be easily updated in flight to synchronize your device with your avionics, so you always have an accurate estimate of the fuel level in each tank.

Tank Switch can automatically detect takeoffs and landings and set the fuel flow to your preset values for Climb and Taxi. Four fuel flow shortcut buttons enable you to easily set fuel flows for Taxi, Climb, Cruise and Descent. Tweak the fuel flow from there with the slider.

HOW TANK SWITCHES ARE PLANNED
• Set the maximum tank imbalance and how much fuel to burn between tank switches in Settings.
• The app targets tank switches to fall on round numbers of fuel used: 10, 20, 30 gallons and so on, subject to max fuel imbalance.
• By default, the fuel plan targets landing with the tanks balanced.
• The Lock Screen and Dynamic Island display the target fuel used and countdown timer for the next tank switch.
• Alternative fuel plans can target tank switches at every N gallons, or N then 2N gallons (to minimize tank changes).

AT EACH SWITCH
• An alarm rings on your device in advance of a planned tank switch, even when it's locked.
• Adjust the time in advance to be warned of a tank switch in Settings.
• Apple Watch taps your wrist and alerts you when you don't see or hear the iPhone.
• Tap the button to log a tank switch & enter the total fuel used from the totalizer when you switched tanks.
• At each switch you may also update the fuel used from your totalizer.

IN FLIGHT
• Fuel gauges indicate current fuel levels with the next switch and landing levels marked.
• Tap a fuel flow preset button (Taxi, Climb, Cruise and Descent) to quickly set your fuel flow. Tweak it with the slider.
• If desired, takeoff and landing can be detected by GPS: the flow automatically changes to the Climb preset at takeoff and to Taxi after landing.
• Enter your totalizer reading at any time to correct the estimate.
• The Plan page lists the target for every tank switch for the flight and logs your actual tank switches.
• E6B circular slide rule built in, just because it is cool, and it's a handy calculator.
• Night mode dims the screen and mutes bright colors, automatically from sunset to sunrise.

APPLE WATCH
• Displays tank levels, next tank switch and countdown timer on one screen.
• Log a switch or update fuel used and fuel flow with the Digital Crown.
• Complications for the watch face are available for the countdown, the next switch and the tank in use.

SETTINGS
• Choose a display style to match popular avionics manufacturers.
• Set tank capacities, tab level, max fuel flow & imbalance, preset fuel flow rates, fuel burn between tank changes, low/very low warnings.
• Fuel can be tracked in gallons or pounds.

SUBSCRIPTION
• Tank Switch Annual: $4.99 a year in the US (local prices vary), with the first month free.
• Payment charged to your Apple Account when the free month ends. It renews each year unless you cancel at least 24 hours before the end of the period. Manage or cancel it in your Apple Account settings.
• Family Sharing: one subscription covers your family.
• Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

No account, no ads, no tracking. Your data stays on your device.

Tank Switch is a planning aid. It estimates fuel from what you enter and does not read your aircraft's fuel system. Use your aircraft's fuel gauges and totalizer.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Tank Switch Annual | $4.99 | per year |


## Is Tank Switch safe?

Not enough ratings yet to assess Tank Switch.

## Is Tank Switch legit?

Tank Switch: Pilot Fuel Timer has limited verification signals. The AppsHunter Legitimacy Score for Tank Switch is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-11-05

No release notes.

## More apps by Western Chancellor LLC

- [Aviator Watch E6B Slide Rule](https://appshunter.io/ios/app/aviator-watch-e6b-slide-rule/id6810376836)

All apps by Western Chancellor LLC: https://appshunter.io/developer/6810377018

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-07.*