Comparison

Bubble Level vs Level Tool

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 utility app functions as a precise spirit level for your iOS devices. It's ideal for tasks like aligning picture frames, measuring angles, and checking the levelness of various surfaces. The app offers calibration and accurate readings to a tenth of a degree.

Highlights
  • Measure surface level
  • Calibrate with one click
  • Accurate to 0.1 degree
  • Retina display support
  • Picture frame alignment
  • Angle and slope measurement
Features
Read full description

Bubble Level is an accurate and simple to use spirit level for your iPhone, iPad and iPod touch. It's great for aligning picture frames or for angle measurements. Features: ◉ Measure the level of any surface. ◉ It can be calibrated with the click of a button and the calibration is saved automatically. ◉ It's accurate to one tenth of a degree. ◉ Full Retina support. This tool can be used for: ◉ Picture frame alignment ◉ Measuring angles and slopes ◉ Checking the surface level of tables, shelves or any other object ◉ Measuring the inclination of a ship, aircraft or car ◉ Roof pitch calculation ▶ Calibration instructions: - To calibrate the level, hold the device upright against a reference surface ( landscape mode with the button to the left ) and press the red Calibrate button. Download this app today!

About

Level Tool

This comprehensive utility app provides a suite of precise measurement tools for DIY enthusiasts and professionals. It includes a bubble level, ruler, clinometer, and protractor to ensure accurate alignment and angles for any project. Organize your tasks and measurements with its integrated notes feature.

Highlights
  • Bubble level for horizontal and vertical surfaces
  • Integrated ruler for precise measurements
  • Clinometer for slope and angle readings
  • Protractor for accurate angle calculations
  • Notes feature for recording measurements and tasks
Features
Read full description

Level Tool: Bubble Leveler Pro, the all-in-one level app for carpenters and DIY-ers. The app offers a range of powerful leveling tools, including a bubble level, laser level, spirit level, perfect levels, surface and inclinometer, all designed to provide perfect accurate measurements for any task. - Bubble Level: Quickly and efficiently measure horizontal and vertical surfaces with our bubble level. This tool is perfect for anyone who needs to ensure surfaces are straight and level. Ideal for hanging shelves, pictures, or cabinets, it simplifies your leveling tasks. - Ruler: The Ruler provides precise measurements directly on your screen. Simply place objects along your device to measure length instantly—ideal for quick, accurate sizing in carpentry, crafting, or everyday tasks. - Clinometer: The Clinometer enables accurate slope and angle measurements with ease. Just align your device to the surface to get instant readings—perfect for construction, leveling, and DIY tasks that require precision. - Protractor: The Protractor allows for precise angle measurements with just a few taps. Point your camera at the surface to get instant measurements, making it an indispensable tool for construction and carpentry projects where precision is what you're looking for. Notes/Tasks: The Notes feature lets you record measurements and tasks effortlessly. Jot down project details, save results, and stay organized—perfect for tracking progress in construction, DIY projects, or daily planning. The Bubble Level Pro: Surface Tool is your essential companion for achieving perfect alignment on any project. Whether you're a professional carpenter or a DIY beginner, our app offers a user-friendly experience that combines all the leveling tools you need. Notice: - This app are free-to-install, but has some premium features that need purchase/subscribe to use. - Subscriptions automatically renew unless cancelled 24 hours before the end of the period. - Manage your subscription and turn off auto-renewal in your account settings. - Any unused portion of a free trial will be forfeited if you subscribe. Term of use: https://moniqtap.com/terms-of-use/ Privacy Policy: https://moniqtap.com/privacy-policy/

Screenshots

Bubble Level2 screens
Level Tool4 screens

Verdict

The call

The clearest difference is ratings volume: Bubble Level at 3.1K against Level Tool's 48. Level Tool's advantage is review sentiment (50% vs 29%) and update cadence (every 3 months vs every 10 months). On price, rating, 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. Bubble Level sells 1 one-off in-app purchase and Level Tool sells 4 in-app purchases, starting at $5.99 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 — 4.6 for Bubble Level against 4.6 for Level Tool. That said, the two scores are not equally well evidenced: Bubble Level has 3.1K ratings behind it against 48, so its average is the more settled of the two. Written reviews are what separate them: 29% of Bubble Level's written reviews are positive against 50% of Level Tool's.

UpkeepUpdate frequency

Bubble Level ships an update every 10 months, Level Tool every 3 months. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

Scorecard3 real differences · 7 level
Bubble Level versus Level Tool: the parameters behind the verdict, then further details
ParameterBubble LevelLevel Tool
PriceFreeFree
Rating4.6 (3.1K ratings)4.6 (48 ratings)
Positive reviews29.4% of reviews50.0% of reviews — better
Number of ratings3.1K — better48
Update frequencyEvery 10 monthsEvery 3 months — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size20 MB116 MB
Age rating12+4+
DeveloperNetviking ABPhong Pham

Customer experience

Bubble Level

All ratings3,062 ratings
Positive91.2%
Neutral3.6%
Negative5.2%
Written reviews201 reviews
Positive29.4%
Neutral1.5%
Negative69.2%

Level Tool

All ratings48 ratings
Positive91.7%
Neutral4.2%
Negative4.2%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

Bubble Level

Reported bugs

3 issues
  • Ads crash the app
  • Inability to exit the app due to ads
  • Calibration button doesn't work as expected

Requested features

2 requests
  • Percent slope display option
  • Ability to rotate bubble to vertical position

Level Tool

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Bubble Level

One-time1
  • Pro Upgrade$4.99
4 purchases

Level Tool

Subscriptions3
  • Premium Weekly Trial3 Days trial$5.997 Days
  • Premium Monthly$12.991 Month
  • Premium Yearly$24.991 Year
One-time1
  • Premium Lifetime$29.99

Questions

Is Bubble Level free?
Bubble Level is free to download, with in-app purchases available.
Is Level Tool free?
Level Tool is free to download, with in-app purchases available.
Which has better reviews, Bubble Level or Level Tool?
Bubble Level and Level Tool are both rated 4.6 out of 5 on the App Store, from 3.1K and 48 ratings respectively.
Do Bubble Level or Level Tool have ads?
Both Bubble Level and Level Tool show ads.
Which is updated more often, Bubble Level or Level Tool?
Bubble Level ships an update every 10 months, and Level Tool every 3 months. Most recently, Bubble Level was updated on October 3, 2026 and Level Tool on September 24, 2026.

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