Comparison

WarmLink 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

WarmLink

Easily control and monitor your heat pump from anywhere. View real-time status, adjust settings like temperature and mode, and receive alerts for any issues. The app provides detailed temperature history and proactive background support from suppliers.

Highlights
  • Remote heat pump control
  • Real-time status monitoring
  • Temperature curve visualization
  • Failure alerts
  • Background supplier support
  • ON/OFF and mode settings
Features
Read full description

Warmlink makes it possible for you communicate with your heat pump easily from a local WiFi network(IEEE 802.11b/g standard WiFi network), or remotely over the Internet. Warmlink is compatible with heat pump that must be with WiFi or DTU module that provided by the product suppliers. With Warmlink, you can: - be able to monitor the state of the heat pump, such as the available water flow volume, the current water temperature, the current running mode, etc. - be able to set the state of the heat pump, such as ON/OFF setting, target water temperature setting, mode setting, timer setting, etc. - be able to get more information about the water temperature changes through temperature curve. - be informed of any failures of the heat pump. - be provided with considerate service that the suppliers will solve any detected problems of the units in the background before you ask for assistance. To confirm whether this app can communicate with the controller of your heat pump, please check it with your supplier.

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

WarmLink3 screens
Bubble Level4 screens

Verdict

The call

The clearest difference is rating: Bubble Level at 4.5 against WarmLink's 3.5. Bubble Level also leads on review sentiment (41% vs 9%) and ratings volume (702 vs 2). WarmLink's advantage is in-app purchases (none vs 11) and ads (none vs shown). On price, 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. WarmLink asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Bubble Level holds the better App Store score, 4.5 against 3.5. That said, the two scores are not equally well evidenced: Bubble Level has 702 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 9% of WarmLink's written reviews are positive against 41% of Bubble Level's.

UpkeepUpdate frequency

WarmLink ships an update every 4 weeks, Bubble Level weekly. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

Scorecard7 real differences · 3 level
WarmLink versus Bubble Level: the parameters behind the verdict, then further details
ParameterWarmLinkBubble Level
PriceFreeFree
Rating3.5 (2 ratings)4.5 (702 ratings) — better
Positive reviews8.7% of reviews41.4% of reviews — better
Number of ratings2702 — better
Update frequencyEvery 4 weeksWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, Apple Watch — better
Requires iOS15.6 — better16.6
Further details — not scored
Size60 MB43 MB
Age rating4+4+
Developer展悦 梁Jens Rieckhof

Customer experience

WarmLink

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews23 reviews
Positive8.7%
Neutral8.7%
Negative82.6%

Bubble Level

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

Bugs and requests

WarmLink

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

WarmLink

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 WarmLink free?
WarmLink 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, WarmLink or Bubble Level?
Bubble Level is rated higher. WarmLink averages 3.5 out of 5 from 2 ratings, while Bubble Level averages 4.5 from 702 ratings.
Do WarmLink or Bubble Level have ads?
Bubble Level shows ads; WarmLink does not.
Which is updated more often, WarmLink or Bubble Level?
WarmLink ships an update every 4 weeks, and Bubble Level weekly. Most recently, WarmLink was updated on October 16, 2026 and Bubble Level on October 17, 2026.

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