Comparison

Bubble Level Plus+ vs Leveler

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

Head to head
About

Bubble Level Plus+

This utility app functions as a digital bubble level, angle meter, and tilt meter. It helps users align picture frames, measure slopes, and assist with home decoration. Calibration instructions are provided for accurate measurements.

Highlights
  • Bubble level functionality
  • Angle measurement
  • Tilt meter
  • Picture frame alignment
  • Home decoration assistance
  • Calibration guide
Features
Read full description

Bubble Level (one of the 12 tools in iMetalBox) is now free! Take this chance to download! ======== User reviews ======== • "Works great and stylish!" - HellofromtheFeeworld746 • "Just what I need it for. Simple and easy." - LtHottRod • "No drama, does what I need it to." - Leon8004 • "I have use on my (welder) and it worked great." - Spark in the dark -------------------------------- Full retina display support for both iPhone 4 and iPhone 5! Also check out iMetalBox: 12 in 1, get 12 useful tools with the price of one! You can use Level° for: - Picture frame alignment - Measure angles and slopes - Home decoration - And much more! Calibrate instructions: - To calibrate the levels, hold the phone against a reference surface and press the Calibrate button. - Do this two times for vertical and horizontal orientations.

About

Leveler

Read full description

'Leveler' – Level at Any Angle Precisely align your device at any custom angle! Leveler is a smart and accurate tool that helps you level your iPhone in both side-to-side and up-down directions. Whether you're hanging frames, aligning surfaces, or working on DIY projects, Leveler turns your device into a visual and sensory leveling assistant. Features: - Set Custom Angle (from -90° to +90°): - Define your target level — whether it's a flat 0° surface or any custom angle. Exact, Above, or Below Angle Modes: - Choose your condition — trigger alerts when the device is exactly at the set angle, above it, or below it. Real-Time Alerts: - Get notified with Sound, Vibration, and Camera Flash blinking when the level is reached. - Green = Aligned, Red = Off-Level: - Instantly know your status — the screen changes colour based on your alignment.   Support for Both Axes: - Check level on both horizontal (X-axis) and vertical (Y-axis) orientations. Why Use Bubble measure? Whether you're adjusting a camera, balancing a surface, or measuring tilt, Bubble measure gives you real-time visual and sensory feedback to help you reach your target angle with confidence. No extra tools required — just your iPhone. If you have any feedback or app improvements ideas, please mail us at trothmatrixapps@gmail.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.trothmatrix.com/

Screenshots

Bubble Level Plus+4 screens
Leveler4 screens

Verdict

The call

The clearest difference is ads: Bubble Level Plus+ at none against Leveler's shown. Leveler's advantage is update cadence (monthly vs every 2 months). On price, in-app purchases, device support and iOS requirement 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 Plus+ sells 2 one-off in-app purchases and Leveler sells 4 in-app purchases, starting at $0.49 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Bubble Level Plus+ ships an update every 2 months, Leveler monthly. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 8 level
Bubble Level Plus+ versus Leveler: the parameters behind the verdict, then further details
ParameterBubble Level Plus+Leveler
PriceFreeFree
Rating4.6 (15K ratings) — better—
Positive reviews37.6% of reviews—
Number of ratings15K — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 — better
Further details — not scored
Size8 MB10 MB
Age rating4+4+
DeveloperTue Nguyen MinhTROTHMATRIX

Bugs and requests

Bubble Level Plus+

Reported bugs

3 issues
  • Bubble level not working as expected
  • Measurements resetting unexpectedly
  • Compatibility issues with newer devices

Requested features

3 requests
  • Ability to lock calibration settings
  • More customization options
  • Improved accuracy for larger angles

Leveler

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Bubble Level Plus+

One-time2
  • Pro Features$0.99
  • Bubble Level Pro$1.99
4 purchases

Leveler

Subscriptions3
  • Get weekly angles measurement2 Months trial$0.497 Days
  • Monthly Subscription3 Months trial$1.791 Month
  • Yearly Subscription7 Days trial$9.991 Year
One-time1
  • Lifetime Purchase$12.99

Questions

Is Bubble Level Plus+ free?
Bubble Level Plus+ is free to download, with in-app purchases available.
Is Leveler free?
Leveler is free to download, with in-app purchases available.
Do Bubble Level Plus+ or Leveler have ads?
Leveler shows ads; Bubble Level Plus+ does not.
Which is updated more often, Bubble Level Plus+ or Leveler?
Bubble Level Plus+ ships an update every 2 months, and Leveler monthly. Most recently, Bubble Level Plus+ was updated on September 24, 2026 and Leveler on September 9, 2026.

Other comparisons