Comparison

Precision Bubble Level vs Level Tool

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

Head to head
About

Precision Bubble Level

Features
Read full description

When your hands are full, your wrist has the answer. PrecisionLevel is a digital spirit level for your iPhone and Apple Watch. Place either device on any surface — within a second, you know whether it's level. No squinting at a tiny bubble in a plastic tube. YOUR WRIST, YOUR LEVEL Hanging a shelf while holding it in place? Leveling a washing machine in a tight space? Glance at your watch instead of reaching for your phone. PrecisionLevel on Apple Watch is a standalone app — no phone required. SUB-DEGREE ACCURACY Hardware accelerometer and gyroscope with Butterworth filtering deliver smooth, precise readings. One-tap calibration compensates for your specific device's sensor quirks. SEE IT AT A GLANCE A responsive liquid bubble shows tilt in every direction. Directional arrows tell you which side is high. Color-coded feedback — green when level, amber when close, red when off. You never have to read a number unless you want to. BUILT FOR THE JOB • Multiple units: degrees, percent grade, mm/m, in/ft • Hold & lock — freeze the reading, then move your device • Dark & light themes — OLED-friendly dark mode or high-contrast light • Configurable decimal precision • Minimal battery usage Free. No ads. No in-app purchases. Ever.

About

Level Tool

Transform your phone into a precise spirit level and angle finder. Measure surfaces, check angles, and calibrate for accurate readings in seconds. Enjoy an ad-free, subscription-free experience with a one-time purchase.

Highlights
  • Bubble level for horizontal and vertical measurements
  • Surface level for flat areas
  • Angle mode for precise slope readings
  • One-tap calibration for accuracy
  • Offline functionality
  • No ads or subscriptions
Read full description

Is this surface actually level? Ask Level Tool. Level Tool turns your phone into a precise spirit level - no ads, no subscriptions, no interruptions. Place it down and know in seconds. BUBBLE LEVEL Classic horizontal and vertical bubble indicator. Hanging a picture, leveling a shelf, aligning a frame - get an instant real-time reading accurate to 0.1 degrees. SURFACE LEVEL Flat bull's-eye mode for tabletops, floors, and appliances. Perfect for getting that fridge perfectly even or checking if your new desk is sitting right. ANGLE MODE Need the exact slope? Level Tool gives you precise degree readings for any surface. Roof pitch, ramps, tilted counters - Lev has you covered. ONE-TAP CALIBRATE Every phone sits a little differently. Calibrate once and Level Tool stays accurate forever - camera bump and all. JUST WORKS No internet. No account. No tracking. Open it, measure, done. No ads. No subscription. $4.99 once - yours forever. https://www.apple.com/legal/internet-services/itunes/dev/stdfla/ Download Level Tool. Lev's already balanced.

Screenshots

Precision Bubble Level4 screens
Level Tool4 screens

Verdict

The call

The clearest difference is in-app purchases: Precision Bubble Level at none against Level Tool's 1. Precision Bubble Level also leads on update cadence (daily vs every 5 days) and device support (3 vs 1). On price, ads 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. Level Tool sells 1 one-off in-app purchase. Precision Bubble Level asks for nothing beyond the download.

UpkeepUpdate frequency

Precision Bubble Level ships an update daily, Level Tool every 5 days. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 6 level
Precision Bubble Level versus Level Tool: the parameters behind the verdict, then further details
ParameterPrecision Bubble LevelLevel Tool
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyDaily — betterEvery 5 days
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Paid
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size36 MB7 MB
Age rating4+4+
DeveloperAndrey PogorelyyCloud Motion Lab LLC

In-app purchases

None

Precision Bubble Level

No in-app purchases

1 purchases

Level Tool

One-time1
  • Level Tool Lifetime$9.99

Questions

Is Precision Bubble Level free?
Precision Bubble Level is free to download, with no in-app purchases.
Is Level Tool free?
Level Tool is free to download, with in-app purchases available.
Do Precision Bubble Level or Level Tool have ads?
Neither Precision Bubble Level nor Level Tool shows ads.
Which is updated more often, Precision Bubble Level or Level Tool?
Precision Bubble Level ships an update daily, and Level Tool every 5 days. Most recently, Precision Bubble Level was updated on October 6, 2026 and Level Tool on October 16, 2026.

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