Comparison

Clinometer+ vs Bubble Level

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

Head to head
About

Clinometer+

This utility app functions as a car inclinometer to help drivers understand road conditions for safer driving. It requires a car phone holder and offers a calibration feature for accurate readings on flat surfaces.

Highlights
  • Car inclinometer
  • Road condition analysis
  • Safe driving aid
  • Calibration feature
  • Easy to use
Features
Read full description

Note: You will need a car phone holder to use with this app. This app helps you to understand road conditions to ensure safe driving. It is easy to use, simply put your phone on a holder and stick it to your car and you are ready to go. The app provides a calibrate button to adjust the readings when your car is on a flat surface.

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/

Screenshots

Clinometer+3 screens
Bubble Level4 screens

Verdict

The call

The clearest difference is ads: Clinometer+ at none against Bubble Level's shown. Bubble Level's advantage is update cadence (weekly vs every 2 months). On price, rating, review sentiment and ratings volume 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. Clinometer+ sells 1 one-off in-app purchase and Bubble Level sells 11 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Clinometer+ against 4.5 for Bubble Level. Both are backed by a comparable volume of ratings — 1K and 702 respectively. Written reviews are what separate them: 48% of Clinometer+'s written reviews are positive against 41% of Bubble Level's.

UpkeepUpdate frequency

Clinometer+ ships an update every 2 months, Bubble Level weekly. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 8 level
Clinometer+ versus Bubble Level: the parameters behind the verdict, then further details
ParameterClinometer+Bubble Level
PriceFreeFree
Rating4.5 (1K ratings)4.5 (702 ratings)
Positive reviews48.1% of reviews — better41.4% of reviews
Number of ratings1K — better702
Update frequencyEvery 2 monthsWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS17.616.6 — better
Further details — not scored
Size16 MB43 MB
Age rating4+4+
DeveloperTue Nguyen MinhJens Rieckhof

Customer experience

Clinometer+

All ratings1,017 ratings
Positive88.8%
Neutral4.5%
Negative6.7%
Written reviews27 reviews
Positive48.1%
Neutral3.7%
Negative48.1%

Bubble Level

All ratings702 ratings
Positive87.6%
Neutral3.4%
Negative9.0%
Written reviews29 reviews
Positive41.4%
Neutral3.4%
Negative55.2%

User reviews

Clinometer+

From 1K App Store ratings

What we love

  • 👍 Cool app
  • 👍 Useful for work
  • 👍 Easy to use

Room to improve

  • 💰 Not free to use
  • 🐛 Terrible calibration
  • 🔍 Deceptive free features

Bubble Level

From 702 App Store ratings

What we love

  • 👍 Simple and easy to use
  • 🔍 Accurate angle measurements
  • 🛠️ Helpful for various tasks (telescopes, leveling, etc.)

Room to improve

  • 🤑 Expensive ad removal
  • 🤖 Unreliable calibration
  • 💤 Constant interruptions and ads
  • 🚫 Unusable due to ads

Bugs and requests

Clinometer+

Reported bugs

2 issues
  • Gave child a virus that searched for pornography
  • Doesn't function at all

Requested features

2 requests
  • Ability to mount at any angle and calibrate
  • Dampened response speed

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

In-app purchases

1 purchases

Clinometer+

One-time1
  • Pro Features$1.99
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

Questions

Is Clinometer+ free?
Clinometer+ is free to download, with in-app purchases available.
Is Bubble Level free?
Bubble Level is free to download, with in-app purchases available.
Which has better reviews, Clinometer+ or Bubble Level?
Clinometer+ and Bubble Level are both rated 4.5 out of 5 on the App Store, from 1K and 702 ratings respectively.
Do Clinometer+ or Bubble Level have ads?
Bubble Level shows ads; Clinometer+ does not.
Which is updated more often, Clinometer+ or Bubble Level?
Clinometer+ ships an update every 2 months, and Bubble Level weekly. Most recently, Clinometer+ was updated on September 20, 2026 and Bubble Level on September 24, 2026.

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