Bubble Level vs Bubble Level
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bubble Level
This utility app functions as a precise spirit level for your iOS devices. It's ideal for tasks like aligning picture frames, measuring angles, and checking the levelness of various surfaces. The app offers calibration and accurate readings to a tenth of a degree.
- Measure surface level
- Calibrate with one click
- Accurate to 0.1 degree
- Retina display support
- Picture frame alignment
- Angle and slope measurement
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Bubble Level is an accurate and simple to use spirit level for your iPhone, iPad and iPod touch. It's great for aligning picture frames or for angle measurements. Features: ◉ Measure the level of any surface. ◉ It can be calibrated with the click of a button and the calibration is saved automatically. ◉ It's accurate to one tenth of a degree. ◉ Full Retina support. This tool can be used for: ◉ Picture frame alignment ◉ Measuring angles and slopes ◉ Checking the surface level of tables, shelves or any other object ◉ Measuring the inclination of a ship, aircraft or car ◉ Roof pitch calculation ▶ Calibration instructions: - To calibrate the level, hold the device upright against a reference surface ( landscape mode with the button to the left ) and press the red Calibrate button. Download this app today!
Bubble Level
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Transform your iPhone into an ultra-precise dual-axis spirit level and angle inclinometer. Whether you are hanging wall pictures, aligning furniture, leveling an RV camping vehicle, setting up a camera tripod, or checking construction slopes, this app delivers industrial-grade precision with tactile realism. KEY FEATURES Realistic Dual-Axis Physical Gauges • Circular Bullseye Surface Level: 360-degree omnidirectional pitch and roll leveling for tables, shelves, countertops, and appliances with concentric degree guide rings. • Fluid Spirit Vial: High-contrast tube with realistic physical bubble dynamics for edge alignment, plumb-line vertical checks, and woodwork. Patented 180-Degree Reversal Zero-Drift Calibration • Uneven phone cases, protective bumpers, or protruding camera bumps? No problem! • Perform a quick 180-degree rotation on any flat surface: our reversal algorithm calculates and eliminates sensor drift and hardware bias instantly, revealing the true absolute level of the surface. Automatic Seamless Edge Detection • No manual switches needed! Hold your phone vertically for instant short-edge leveling. Turn it horizontally, and the app automatically switches to an ultra-wide landscape cockpit long-edge level. Eyes-Free Acoustic Audio Guidance • Level by sound without staring at your screen! • Geiger Clicker: Pulse frequency accelerates as you get closer to 0.00 degrees. • Pitch Glide: Smooth audio frequency glide indicating tilt direction. • Crisp audio chime & gentle haptic pulse upon reaching perfect level. Includes an instant global mute button in the top bar. Camera Live Inspector & Construction Watermark • View live camera feed with an overlaid crosshair horizon line and 3x3 composition grid. • Perfect for hanging large wall art, curtain rods, projection screens, and checking doors or windows. • Capture photos with certified measurement watermarks including timestamp, tilt angle, GPS location, and inspector notes. Professional Slope & Angle Units • One-tap instant toggle between Degrees and Slope Percentage (%). • Tare Zero (Relative Angle): Zero out any slope or incline to measure angles relative to an existing surface. 4 TAILORED SCENARIO PRESETS Picture Hanging: Edge alignment with sensitive vibration and chime guidance. Table & Furniture: Bullseye dual-axis surface leveling for 3D printers, stoves, and desks. Photography: Live camera horizon alignment for landscapes and architectural shots. RV & Outdoors: High-damping slope leveling for trailers, vans, and motorhomes. PRIVACY FIRST & 100% OFFLINE • 100% Offline: Inertial motion sensing calculations are performed purely on your device. • Zero ads, zero trackers, and no mandatory in-app subscriptions. • Does not collect personal data. Precision in your pocket. Download now and level with confidence!
Screenshots
Verdict
The clearest difference is in-app purchases: Bubble Level at none against Bubble Level's 1. Bubble Level also leads on 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
Both are free to download. Bubble Level sells 1 one-off in-app purchase. Bubble Level asks for nothing beyond the download.
| Parameter | Bubble Level | Bubble Level |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (3.1K ratings) — better | — |
| Positive reviews | 29.4% of reviews | — |
| Number of ratings | 3.1K — better | — |
| Update frequency | Every 10 months | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 20 MB | 6 MB |
| Age rating | 12+ | 17+ |
| Developer | Netviking AB | 璇 冯 |
Bugs and requests
Bubble Level
Reported bugs
3 issues- Ads crash the app
- Inability to exit the app due to ads
- Calibration button doesn't work as expected
Requested features
2 requests- Percent slope display option
- Ability to rotate bubble to vertical position
Bubble Level
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Bubble Level
- Pro Upgrade$4.99
Bubble Level
No in-app purchases








