Mila's Unit Converter PRO vs Bubble Level
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mila's Unit Converter PRO
Effortlessly convert between hundreds of units across 26 essential categories with this precision calculator. Designed for speed and simplicity, it offers accurate results in seconds for students, professionals, and travelers alike. Enjoy offline functionality and a customizable experience.
- Hundreds of units across 26 categories
- Metric, imperial, and specialized units
- Smart conversions for temperature, fuel, and more
- Customizable categories, units, and number formats
- Intuitive search and offline functionality
- Conversions happen as you type
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Transform everyday calculations with Mila's Tools, the ultimate all-in-one unit converter designed for precision, speed, and simplicity. Whether you're a student, engineer, chef, or traveler, effortlessly convert between hundreds of units across 26 essential categories. Say goodbye to complex formulas—get accurate results in seconds! ------------------------------------- What customers are saying: ***** "Get it! Nothing better than this!" ***** "This is the best quick ref tool I have come across to date" ***** "Undoubtedly the best conversion app in the App Store." ***** "Best app for me so far." ***** "Intuitive interface. The app design is so easy you'll actually use it." ------------------------------------- KEY FEATURES: * Comprehensive Categories: Convert area, bits & bytes, blood sugar, capacitance, dates, data transfer rates, density, energy, flow rate, force, fractions, fuel, illuminance, length, numbers, power, pressure, shoes, slope, temperature, time, torque, velocity, volume, and weight. * Vast Unit Library: Supports metric, imperial, US customary, astronomical, nautical, and specialized units like barns, barns, light years, parsecs, and more. * Smart Conversions: Special tools for temperature (Celsius to Fahrenheit), fuel (mpg to L/100km), fractions (to decimals/percent), blood sugar (mg/dL to mmol/L with range slider), and grouped views for length, weight, volume, area, pressure, and torque. * Customizable Experience: Toggle visible categories and units, adjust decimal precision (auto or up to 10 digits), choose number formats (US, European, Swiss, French, Indian), and enable dark mode. * Intuitive Search: Quickly find categories and units with built-in search. * No Internet Needed: All conversions happen offline for reliable use anywhere. * Made in America! Download Mila's Tools today and simplify your conversions—built with love to make life easier. Questions? Send feedback via the app! ------------------------------------- * 300+ CONVERSIONS * Includes everything from Area to Weight. * FASTEST CONVERTER AVAILABLE * No need to "submit" values. Conversions happen as you type. * NO DIALS * Nothing to dial in, Just select the unit category and go. * ACTIVE FILTERING * Find what you're looking for quickly. * AUTO CONVERTS MULTIPLE UNITS AS YOU TYPE * All associated units auto-convert as you enter any value. * FULLY CUSTOMIZABLE * Hide everything you don't need and show only what you need. -------------------------------------
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.
- 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
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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
Verdict
The clearest difference is review sentiment: Mila's Unit Converter PRO at 90% against Bubble Level's 41%. Mila's Unit Converter PRO also leads on in-app purchases (none vs 11) and ads (none vs shown). Bubble Level's advantage is price (Free vs $9.99). On ratings volume, update cadence, 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
Bubble Level is free to download; Mila's Unit Converter PRO costs $9.99 up front. Bubble Level sells 11 in-app purchases, starting at $1.99 per 7 days. Mila's Unit Converter PRO asks for nothing beyond the download.
Mila's Unit Converter PRO holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 1K and 702 respectively. Written reviews point the same way: 90% of Mila's Unit Converter PRO's written reviews are positive against 41% of Bubble Level's.
Mila's Unit Converter PRO ships an update every 4 days, Bubble Level weekly. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.
| Parameter | Mila's Unit Converter PRO | Bubble Level |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.8 (1K ratings) — better | 4.5 (702 ratings) |
| Positive reviews | 89.6% of reviews — better | 41.4% of reviews |
| Number of ratings | 1K — better | 702 |
| Update frequency | Every 4 days — better | Weekly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 17.6 | 16.6 — better |
| Further details — not scored | ||
| Size | 5 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Scott DeSapio | Jens Rieckhof |
Customer experience
Mila's Unit Converter PRO
Bubble Level
Bugs and requests
Mila's Unit Converter PRO
Not enough reviews yet to summarise bugs or 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
In-app purchases
Mila's Unit Converter PRO
No in-app purchases
Bubble Level
- Premium - Weekly Plan$1.997 Days
- Spirit Level Premium – Monthly$2.991 Month
- Bubble Level Premium - Weekly$2.997 Days
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- 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
- All features - No ads$1.99
- Unlock all AR features$5.99
- Discount Lifetime Premium$14.99
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- Bubble Level PREMIUM Lifetime$19.99
- Bubble Level - Lifetime Premium$29.99
Questions
Is Mila's Unit Converter PRO free?
Is Bubble Level free?
Which has better reviews, Mila's Unit Converter PRO or Bubble Level?
Do Mila's Unit Converter PRO or Bubble Level have ads?
Which is updated more often, Mila's Unit Converter PRO or Bubble Level?
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