Comparison

ConcreteDNA 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

ConcreteDNA

Monitor concrete strength and temperature in real-time with sensor data sent directly to the cloud. Access live site data from anywhere, receive instant alerts, and generate QA reports for simplified paperwork. Supports collection from Converge Signal sensors.

Highlights
  • Live concrete strength feedback
  • Instant action alerts
  • Cloud access for teams
  • Temperature monitoring
  • QA report generation
  • Converge Signal sensor support
Features
Read full description

Converge sensors generate realtime strength and temperature measurements of concrete, which our system returns directly to the cloud, meaning you always have access to live data about your site, anytime, anywhere. The app now supports collection of measurements from Converge Signal sensors. - Live feedback on concrete strength - Instant alerts to help you take action precisely when it's needed - Cloud access, for you and your whole team from the site office, or HQ - Temperature monitoring to help you stay in spec. - QA reports to simplify paperwork

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

ConcreteDNA4 screens
Bubble Level4 screens

Verdict

The call

The clearest difference is rating: Bubble Level at 4.5 against ConcreteDNA's 4.0. Bubble Level also leads on ratings volume (702 vs 4). ConcreteDNA's advantage is in-app purchases (none vs 11) and ads (none vs shown). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Bubble Level sells 11 in-app purchases, starting at $1.99 per 7 days. ConcreteDNA asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Bubble Level holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Bubble Level has 702 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

ConcreteDNA ships an update fortnightly, Bubble Level weekly. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 5 level
ConcreteDNA versus Bubble Level: the parameters behind the verdict, then further details
ParameterConcreteDNABubble Level
PriceFreeFree
Rating4.0 (4 ratings)4.5 (702 ratings) — better
Positive reviews—41.4% of reviews
Number of ratings4702 — better
Update frequencyFortnightlyWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS16.616.6
Further details — not scored
Size34 MB43 MB
Age rating4+4+
DeveloperConvergeJens Rieckhof

Customer experience

ConcreteDNA

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%

Bubble Level

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

Bugs and requests

ConcreteDNA

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

None

ConcreteDNA

No in-app purchases

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 ConcreteDNA free?
ConcreteDNA is free to download, with no in-app purchases.
Is Bubble Level free?
Bubble Level is free to download, with in-app purchases available.
Which has better reviews, ConcreteDNA or Bubble Level?
Bubble Level is rated higher. ConcreteDNA averages 4.0 out of 5 from 4 ratings, while Bubble Level averages 4.5 from 702 ratings.
Do ConcreteDNA or Bubble Level have ads?
Bubble Level shows ads; ConcreteDNA does not.
Which is updated more often, ConcreteDNA or Bubble Level?
ConcreteDNA ships an update fortnightly, and Bubble Level weekly. Most recently, ConcreteDNA was updated on October 6, 2026 and Bubble Level on October 17, 2026.

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