Comparison

Bubble Level vs Sanitary Dft. Supt.

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 transforms your device into a precise bubble level and angle finder. It offers augmented reality measurement tools, a user-friendly interface, and Apple Watch integration for live readings. Ideal for DIY enthusiasts and professionals needing accurate surface leveling and inclination measurements.

Highlights
  • Augmented reality ruler and protractor
  • Precise angle measurements to one tenth of a degree
  • Effortless one-touch calibration
  • Clear and easy-to-read visual display
  • Apple Watch integration for live angle readings
  • Measures inclination and slope
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

Sanitary Dft. Supt.

Features
Read full description

[Overview] Based on Japanese Design Standards Sanitary Drafting Supporter is a professional calculation app for sanitary shop drawings and plumbing design. It brings together the calculations most frequently required for sanitary and plumbing projects, including water supply and drainage pipe sizing, piping engineering calculations, and simplified seismic calculations for pipe supports. Designed for engineers, designers, and construction professionals to improve efficiency in sanitary shop drawing preparation and plumbing design. [Key Features] * Water Supply & Drainage Pipe Sizing (Fixture Unit Method) * Automatically calculates pipe sizes using the Fixture Unit Method. * Calculates fixture units and recommends pipe sizes from the selected plumbing fixtures. * Manage and edit multiple piping systems. * Combine or modify piping systems easily. * Verify results with a flow diagram. * Piping Engineering Calculations Perform essential piping calculations required for plumbing design and shop drawings. * Pipe weight calculation * Flow velocity calculation * Pressure loss calculation * Thermal expansion calculation Supports design studies and engineering documentation. * Simplified Seismic Calculations for Pipe Supports * Simplified seismic calculations for L-shaped supports * Simplified seismic calculations for portal frame supports * Anchor bolt strength check * Anchor bolt pull-out verification Helps verify the safety of pipe support systems during the design stage. [Recommended For] * Plumbing designers * Sanitary shop drawing engineers * Building services engineers * Construction managers * Mechanical (MEP) engineers * Plumbing contractors * Professionals involved in sanitary and plumbing projects [Evaluation Period] All features are available for 30 days after initial installation. An auto-renewable subscription is required to continue using the features after the 30-day period. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ratel-okottel.com/privacy/ Evaluate the app in your actual design and shop drawing workflow before purchasing.

Screenshots

Bubble Level4 screens
Sanitary Dft. Supt.4 screens

Verdict

The call

The clearest difference is ads: Sanitary Dft. Supt. at none against Bubble Level's shown. Sanitary Dft. Supt. also leads on update cadence (daily vs weekly). 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 sells 10 in-app purchases, starting at $2.99 per month and Sanitary Dft. Supt. sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Bubble Level ships an update weekly, Sanitary Dft. Supt. daily. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 8 level
Bubble Level versus Sanitary Dft. Supt.: the parameters behind the verdict, then further details
ParameterBubble LevelSanitary Dft. Supt.
PriceFreeFree
Rating4.5 (723 ratings) — better—
Positive reviews43.3% of reviews—
Number of ratings723 — better—
Update frequencyWeeklyDaily — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.6 — better17.6
Further details — not scored
Size43 MB78 MB
Age rating4+4+
DeveloperJens RieckhofHiroaki Oosawa

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

Sanitary Dft. Supt.

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Bubble Level

Subscriptions5
  • Spirit Level Premium – Monthly$2.991 Month
  • Bubble Level Premium - Weekly$2.997 Days
  • Bubble Level Premium - Monthly$5.991 Month
Show 2 more
  • 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
2 purchases

Sanitary Dft. Supt.

Subscriptions2
  • Premium Monthly$2.991 Month
  • Premium Yearly$29.991 Year

Questions

Is Bubble Level free?
Bubble Level is free to download, with in-app purchases available.
Is Sanitary Dft. Supt. free?
Sanitary Dft. Supt. is free to download, with in-app purchases available.
Do Bubble Level or Sanitary Dft. Supt. have ads?
Bubble Level shows ads; Sanitary Dft. Supt. does not.
Which is updated more often, Bubble Level or Sanitary Dft. Supt.?
Bubble Level ships an update weekly, and Sanitary Dft. Supt. daily. Most recently, Bubble Level was updated on November 11, 2026 and Sanitary Dft. Supt. on November 6, 2026.

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