Comparison

Camera Protractor vs Bubble Level & Inclinometer

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

Head to head
About

Camera Protractor

Measure angles and lengths of real-world objects using your iPhone's camera. This tool offers a digital protractor and ruler, allowing precise measurements of anything you can capture, from small items to large structures. It features an intuitive interface and is always available.

Highlights
  • Digital protractor and ruler
  • Measure real-life objects with camera
  • Precise angle measurement (0-180 degrees)
  • Intuitive UI design
  • Full screen display
  • Email support
Features
Read full description

Turn your iPhone or iPad into a camera protractor, photo angle meter, and surface inclinometer. Measure angles from photos, live camera views, or real-world surfaces in seconds. Check slope, roof pitch, and miter cuts, save your measurements, and share the results. Three ways to measure. One simple angle toolkit. THREE WAYS TO MEASURE PHOTO Choose a photo from your library or take a new one, then place three points to measure an angle. CAMERA Use the live camera protractor, freeze the view, and fine-adjust the measurement points for greater precision. SURFACE Use your iPhone or iPad as an inclinometer to measure tilt from horizontal, slope percentage, and roof pitch. POWERFUL MEASUREMENT TOOLS • Measure minor and reflex angles • Fine-adjust measurement points • Pinch to zoom for precise placement • Measure slope percentage • Calculate roof pitch • Set a custom zero reference • Hold a measurement • Calibrate the level sensor • Save measurements to History • Add notes to saved measurements • Export measurement images • Share your results CAMERA PROTRACTOR PRO Upgrade once to unlock additional professional tools: • Edge Snap — automatic edge assistance • Multiple Angles — measure up to 10 angles on one image • Miter Calculator — convert measured corners into saw settings • Projects — organize related measurements • Tags — label and organize your measurements • PDF Reports — create professional measurement reports • Adjust a Copy — reuse a saved measurement without changing the original One-time purchase. No subscription. USEFUL FOR Camera Protractor is useful for: • DIY and home improvement • Woodworking and carpentry • Construction • Roofing • Furniture and installation work • Measuring slopes and inclines • Checking angles from photos • Everyday angle measurements PRIVACY Your measurements stay on your device. NOTE Photo measurements describe angles in the image plane. Camera perspective can change the apparent angle of real-world objects.

About

Bubble Level & Inclinometer

Features
Read full description

Bubble Level & Inclinometer turns your phone into a fast, trustworthy level and angle finder — for DIY, trades, and everyday fixes. Get a true reading in under a second: • 2D bullseye level for flat surfaces • Horizontal & vertical spirit level • Full inclinometer / angle finder in degrees, percent grade, mm/m and roof pitch (x:12) Built to be trusted: • Guided 180° calibration wizard — calibrate once, trust every reading • Tolerance mode with OK / NEAR / OUT haptic and sound guidance, so you can work without staring at the screen • Confidence bar shows how stable the reading is • Hold / Freeze, relative zero (Set 0), measurement history with CSV export, and a shareable measurement card Perfect for: • Hanging pictures, shelves and frames perfectly straight • Checking roof pitch and slopes • Leveling an RV, trailer, appliance or furniture • Tiling, decking, ramps and stairs • Woodworking angles, miter and crown molding No ads. No limits. No subscriptions. No data collected. Works 100% offline. Most level apps bury the measurement under ads and paywalls. This one doesn't. It stays out of your way, respects your privacy, and just measures — accurately, every time.

Screenshots

Camera Protractor4 screens
Bubble Level & Inclinometer4 screens

Verdict

The call

The clearest difference is price: Bubble Level & Inclinometer at Free against Camera Protractor's $4.99. Bubble Level & Inclinometer also leads on in-app purchases (none vs 1). On update cadence, ads, 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

Bubble Level & Inclinometer is free to download; Camera Protractor costs $4.99 up front. Camera Protractor sells 1 one-off in-app purchase. Bubble Level & Inclinometer asks for nothing beyond the download.

UpkeepUpdate frequency

Camera Protractor ships an update every 3 months, Bubble Level & Inclinometer every 4 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
Camera Protractor versus Bubble Level & Inclinometer: the parameters behind the verdict, then further details
ParameterCamera ProtractorBubble Level & Inclinometer
Price$4.99Free — better
Rating3.8 (6 ratings) — better—
Positive reviews26.7% of reviews—
Number of ratings6 — better—
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.814.0 — better
Further details — not scored
Size8 MB22 MB
Age rating4+4+
Developer华芳 张lapnito.cz s.r.o.

In-app purchases

1 purchases

Camera Protractor

One-time1
  • Camera Protractor Pro$0.99
None

Bubble Level & Inclinometer

No in-app purchases

Questions

Is Camera Protractor free?
Camera Protractor costs $4.99, and also offers in-app purchases.
Is Bubble Level & Inclinometer free?
Bubble Level & Inclinometer is free to download, with no in-app purchases.
Do Camera Protractor or Bubble Level & Inclinometer have ads?
Neither Camera Protractor nor Bubble Level & Inclinometer shows ads.
Which is updated more often, Camera Protractor or Bubble Level & Inclinometer?
Camera Protractor ships an update every 3 months, and Bubble Level & Inclinometer every 4 months. Most recently, Camera Protractor was updated on October 10, 2026 and Bubble Level & Inclinometer on October 6, 2026.

Other comparisons