Comparison

E vs Truma LevelControl

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

Head to head
About

E

Monitor your caravan or motorhome's vital systems from your smartphone. Receive real-time alerts for tire pressure, water levels, and more to ensure a safer and more relaxed camping trip.

Highlights
  • Tire pressure monitoring
  • Vehicle leveling
  • Water tank level alerts
  • Real-time system status
  • Bluetooth connectivity
  • Safety notifications
Features
Read full description

Use your smartphone to stay up-to-date on your tire pressure, level your caravan or motorhome, prevent an overflowing water tank and much more... E-Trailer is the system that ensures that your camping trip is safer and more worry-free. What has long been possible for cars is now also available for caravans and motorhomes thanks to E-Trailer. Our smart modules measure everything accurately and constantly inform you about the condition of your camping equipment. Traveling with your caravan or motorhome has never been so relaxed! You only need a smartphone with Bluetooth to make your next trip safer and more relaxing. In the app you can see the current status of your caravan or motorhome at a glance and you will automatically receive a notification when something is wrong. For example, you will know immediately if your tire pressure becomes too low or the water tank is almost empty.

About

Truma LevelControl

Easily measure your gas cylinder's remaining level using ultrasound technology. Simply attach the device to your cylinder and check the results on your smartphone via Bluetooth or with the iNet Box for remote monitoring.

Highlights
  • Ultrasonic gas level measurement
  • Bluetooth connectivity
  • Remote monitoring via iNet Box
  • Low gas level notifications
  • Supports multiple LevelControl devices
  • Magnetic and clamp adhesion
Features
Read full description

Making life easier: Truma LevelControl If you prefer holding your smartphone to tilting the gas cylinder, you’re in luck, because the LevelControl lets you do just this. The gas level measuring device uses ultrasound to measure how much gas is left in the cylinder and displays the result in the app. Attach the LevelControl to the bottom of the cylinder, open the app, check the gas level – it couldn’t be easier! The new LevelControl app also gives you the option of using Bluetooth to check the gas level. This functions conveniently and reliably in the vehicle and outside it when within range. If you want to check the gas level while travelling, you’ll need the Truma iNet Box and the tried-and-tested Truma app. It sends the measurement results by text to your smartphone – whether you’re at home or out skiing on the piste. The Truma iNet Box also allows you to connect other appliances such as the Truma heaters and air conditioners to the iNet System and to operate them using the Truma app. Truma LevelControl features - Notification when gas level is low - Use several LevelControl at the same time - Adheres magnetically to any steel cylinder – and, thanks to a clamping sheet, also to aluminium cylinders - Works with all current European gas cylinders – simply select the model from the extensive database The LevelControl is not suitable for plastic gas cylinders, refillable tank gas cylinders, gas tanks or butane gas cylinders (camping gas). Truma LevelControl – the facts New app It’s now even easier to check how much gas is left in your cylinder – with the new Truma LevelControl App. How it works The gas level measuring device uses ultrasound to determine how much gas is left in the cylinder. Small and handy Attach the Truma LevelControl to the bottom of your gas cylinder. No assembly, no cable. Open the app – done! More comfort The iNet System allows you to operate the LevelControl, your heater and air conditioner with the tried-and-tested Truma app. Excellent LevelControl has won the European Innovation Award 2018 in the Overall Concept Equipment category.

Screenshots

E4 screens
Truma LevelControl4 screens

Verdict

The call

The clearest difference is update cadence: E at every 3 weeks against Truma LevelControl's every 4 months. E also leads on device support (3 vs 1). Truma LevelControl's advantage is monetization model (free vs ad-supported). On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

E ships an update every 3 weeks, Truma LevelControl every 4 months. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 7 level
E versus Truma LevelControl: the parameters behind the verdict, then further details
ParameterETruma LevelControl
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews25.0% of reviews27.5% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size231 MB50 MB
Age rating4+4+
DeveloperE-Trailer B.V.Truma Geraetetechnik GmbH & Co. KG

Customer experience

E

Written reviews32 reviews
Positive25.0%
Neutral15.6%
Negative59.4%

Truma LevelControl

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews40 reviews
Positive27.5%
Neutral35.0%
Negative37.5%

In-app purchases

None

E

No in-app purchases

None

Truma LevelControl

No in-app purchases

Questions

Is E free?
E is free to download, with no in-app purchases.
Is Truma LevelControl free?
Truma LevelControl is free to download, with no in-app purchases.
Do E or Truma LevelControl have ads?
Neither E nor Truma LevelControl shows ads.
Which is updated more often, E or Truma LevelControl?
E ships an update every 3 weeks, and Truma LevelControl every 4 months. Most recently, E was updated on October 19, 2026 and Truma LevelControl on October 15, 2026.

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