Comparison

Bubble Level vs Feigin EMS

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

Head to head
About

Bubble Level

Transform your device into a precise bubble level, angle gauge, and measuring tool. Ideal for home improvement, construction, and DIY projects, it offers real-time tilt readings and surface alignment for professional accuracy.

Highlights
  • Live angle measurement
  • Classic bubble level view
  • Plumb checker
  • 360° surface alignment
  • Independent calibration
  • Clear visual tilt display
Features
Read full description

Turn your iPhone into a high-precision bubble level, angle gauge, and measuring tool. Whether you're mounting shelves, aligning frames, laying tile, or building a deck, this app gives you professional accuracy on the go. Use your device to check if surfaces are level, plumb, or at a specific angle. Get real-time tilt readings in degrees with the built-in inclinometer, or calibrate your phone to another object for relative alignment. This versatile tool is perfect for any construction, home improvement, or DIY project. Features: • Live angle measurement with digital inclinometer • Classic bubble view for horizontal and vertical levels • Built-in plumb checker for vertical surfaces • 360° surface alignment support in any orientation • Independent calibration or object-relative zeroing • Clear visual tilt display with smooth responsiveness • Clean, modern interface — no clutter or ads • Works in portrait and landscape modes Ideal for contractors, handymen, and DIYers alike, this tool makes it simple to measure, align, and build with confidence. Whether you're working inside or outside, this app gives you the accuracy of a hardware level — right on your iPhone. Download now and make every angle perfect with the easiest leveling tool you'll ever use. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Feigin EMS

Features
Read full description

Feigin EMS:Real time monitoring of power instruments, energy consumption analysis reports, scanning codes to add gateway devices, device alarm function

Screenshots

Bubble Level4 screens
Feigin EMS2 screens

Verdict

The call

The clearest difference is in-app purchases: Feigin EMS at none against Bubble Level's 7. Feigin EMS also leads on ads (none vs shown). Bubble Level's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price 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 6 in-app purchases, starting at $0.99 per 7 days. Feigin EMS asks for nothing beyond the download.

Scorecard4 real differences · 6 level
Bubble Level versus Feigin EMS: the parameters behind the verdict, then further details
ParameterBubble LevelFeigin EMS
PriceFreeFree
Rating4.6 (61 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings61 — better—
Update frequencyEvery 2 months—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better18.0
Further details — not scored
Size17 MB24 MB
Age rating4+17+
DeveloperVicki PartridgeFeijin Electric Company Limited

In-app purchases

6 purchases

Bubble Level

Subscriptions5
  • Weekly Subscription7 Days trial2 variants$0.997 Days
  • Monthly Subscription7 Days trial$2.991 Month
  • Monthly Subscription7 Days trial$4.991 Month
Show 2 more
  • Yearly Subscription7 Days trial$9.991 Year
  • Yearly Subscription7 Days trial$49.991 Year
One-time1
  • Remove Ads$1.99
None

Feigin EMS

No in-app purchases

Questions

Is Bubble Level free?
Bubble Level is free to download, with in-app purchases available.
Is Feigin EMS free?
Feigin EMS is free to download, with no in-app purchases.
Do Bubble Level or Feigin EMS have ads?
Bubble Level shows ads; Feigin EMS does not.

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