Comparison

Bubble Level vs Danfoss Icon2™

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

Head to head
About

Bubble Level

This app transforms your phone into a precise leveling tool. It offers accurate angle measurement, inclination detection, and augmented reality features for DIY and professional use. Calibration is simple and quick.

Highlights
  • Ultra-precise angle measurement
  • Inclination and slope meter
  • Augmented reality ruler and protractor
  • Effortless one-touch calibration
  • Clear and easy-to-read display
  • User-friendly interface
Features
Read full description

Transform Your Phone into a Precision Leveling Tool! Over 450K users - 4.5 Star Average Rating Introducing the Super-Easy Level: Turn your device into a highly accurate bubble level (spirit level) with ease. Ideal for both DIY aficionados and professional builders, our app delivers unparalleled precision for any leveling task. Why Choose Super-Easy Level? Versatile Measurement Tools: Not only can you check the level and inclination of surfaces, but with our camera integration, measuring lengths becomes a breeze. Augmented Reality Features: Equipped with an augmented reality ruler and protractor for cutting-edge measurement accuracy. Simplicity at Its Best: Enjoy a user-friendly interface that makes navigation a piece of cake on any smartphone or tablet. Now on Apple Watch: Angle measurements appear live on your wrist. The Watch app mirrors your iPhone's mode and accent color in real time. In 1D mode, a full-screen artificial horizon tilts with your measured angle — choose degrees, slope %, or near-delta. In 2D mode, a dual-axis crosshair with a yaw compass ring tracks tilt on both axes simultaneously. Lock readings or save angles directly from your Watch; the last reading stays on screen even if the iPhone connection drops. Key Features: Ultra-Precise: Measures angles to the nearest tenth of a degree. Effortless Calibration: Simple one-touch calibration keeps accuracy at your fingertips. Clear Visual Display: Our interface is designed for clarity, ensuring your measurements are easy to read at a glance. Robust Toolset: Whether it's a quick DIY project or a professional job, our app is up to the task. Get Started in Seconds: Align your phone with a known level or vertical edge. Press the calibration button. Done! Elevate your DIY and professional projects with Super-Easy Level — download now and level up your precision game! Features: ◉ Accurate measuring to one tenth of a degree. ◉ Super easy angle calibration and handling. ◉ Precise and reliable measurements ◉ Ability to measure inclination/slope ◉ Easy to read display ◉ Calibration function for even more accurate results ◉ User-friendly interface and can be used on any smartphone or tablet. ◉ Apple Watch support — live angle readings, lock & save from your wrist. How to calibrate: ◉ Align the phone with a level or vertical edge and hit the calibration button. ◉ That's it. Terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Danfoss Icon2™

Features
Read full description

The Danfoss Icon2™ App is used in combination with the Danfoss Icon2™ Floor heating control system for easy and convenient commissioning and configuration. Use the App for easy-to-follow step by step instructions and to select between the applications in the comprehensive catalogue floor heating / cooling applications. The Danfoss Icon2™ App is required when using other than default settings on the Danfoss Icon2™ Main Controller or if an advanced application is required.

Screenshots

Bubble Level4 screens
Danfoss Icon2™4 screens

Verdict

The call

The clearest difference is in-app purchases: Danfoss Icon2™ at none against Bubble Level's 11. Danfoss Icon2™ also leads on ads (none vs shown). Bubble Level's advantage is update cadence (weekly vs every 2 months) and device support (3 vs 1). On price 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. Bubble Level sells 11 in-app purchases, starting at $1.99 per 7 days. Danfoss Icon2™ asks for nothing beyond the download.

UpkeepUpdate frequency

Bubble Level ships an update weekly, Danfoss Icon2™ every 2 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard5 real differences · 5 level
Bubble Level versus Danfoss Icon2™: the parameters behind the verdict, then further details
ParameterBubble LevelDanfoss Icon2™
PriceFreeFree
Rating4.5 (702 ratings) — better—
Positive reviews41.4% of reviews—
Number of ratings702 — better—
Update frequencyWeekly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS16.6 — better18.0
Further details — not scored
Size43 MB63 MB
Age rating4+4+
DeveloperJens RieckhofDanfoss A/S

Bugs and requests

Bubble Level

Reported bugs

2 issues
  • App crashes on launch
  • Measurement point behaves erratically

Requested features

2 requests
  • Ability to calibrate the app
  • Option to change the display color

Danfoss Icon2™

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

Bubble Level

Subscriptions6
  • Premium - Weekly Plan$1.997 Days
  • Spirit Level Premium – Monthly$2.991 Month
  • Bubble Level Premium - Weekly$2.997 Days
Show 3 more
  • Bubble Level Premium - Monthly$5.991 Month
  • Spirit Level Premium – Annual7 Days trial$14.991 Year
  • Bubble Level Premium - Annual7 Days trial$19.991 Year
One-time5
  • All features - No ads$1.99
  • Unlock all AR features$5.99
  • Discount Lifetime Premium$14.99
Show 2 more
  • Bubble Level PREMIUM Lifetime$19.99
  • Bubble Level - Lifetime Premium$29.99
None

Danfoss Icon2™

No in-app purchases

Questions

Is Bubble Level free?
Bubble Level is free to download, with in-app purchases available.
Is Danfoss Icon2™ free?
Danfoss Icon2™ is free to download, with no in-app purchases.
Do Bubble Level or Danfoss Icon2™ have ads?
Bubble Level shows ads; Danfoss Icon2™ does not.
Which is updated more often, Bubble Level or Danfoss Icon2™?
Bubble Level ships an update weekly, and Danfoss Icon2™ every 2 months. Most recently, Bubble Level was updated on September 24, 2026 and Danfoss Icon2™ on September 22, 2026.

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