Comparison

Angle Meter PRO vs Maskduck

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

Head to head
About

Angle Meter PRO

Measure angles and slopes with precision using your device's camera. Offers real-time angle display, multiple measurement modes, and the ability to capture and save measurements for later reference.

Highlights
  • Real-time angle display
  • Two measurement modes
  • Camera-based angle measurement
  • Capture and save measurements
  • Level meter for vertical tilt
  • Calibration option for accuracy
Features
Read full description

Angle Meter PRO lets you measure the angle or slope. Note that you will be able to measure a variety of slope forms. You can choose to directly measure the surface by the second mode, which makes it relatively easy to measure up,or to measure the angle of the target away a short distance away from you after kilo meter. By measuring the angle from the camera aperture. This is a reference line, respectively, and the angles are measured while the display on your phone continuously. You also can take what you measure by showing the angle to keep a check on it later. Featured: 1) Clean and minimal UI 2) Real time display angle value reference by horizontal axis. 3) 2 mode for using(Horizontal Mode and Vertical Mode ). 4) Support measure angles with the camera mode. 4.1) you can take screen short can be a target for record store at a later time. 5) Support the ability to measure the angle from the image. 6) Graphics Animation display related by mode. 7) Display 0 to 90 degree reference by horizontal axis. 8) Calibrate option for accuracy. 9) Support Level Meter allows you to measure the degree of tilt in the vertical plane and can take many forms. The measurements in each axis is locked to the screen, still more easy to measure. 10) There are various UI language menus to choose from. 11) Supports both dark and light themes.

About

Maskduck

Features
Read full description

Maskduck is the fastest way to hide sensitive information in your screenshots and photos before you share them. Smart detection finds private info for you — then a single tap covers it up. Everything happens on your device. Your photos never leave your phone. WHAT IT MASKS • Phone numbers • Email addresses • Credit and debit card numbers • ID and document numbers • Bank account numbers • IP addresses • License plates • Long numeric strings that look private HOW IT WORKS 1. Pick a photo from your library. 2. Maskduck scans the text and highlights anything sensitive. 3. Tap to hide it — or draw your own mask with the brush or rectangle tool. 4. Save or share. That's it. FOUR MASK STYLES • Solid — clean black bars • Pixelate — classic mosaic look • Blur — soft gaussian blur • Hide — cover with a matching background BUILT FOR PRIVACY • 100% on-device processing — nothing is uploaded • No account, no sign-in, no ads, no tracking • Works offline • Only asks for the photo permissions it actually needs WHO IT'S FOR • Anyone sharing receipts, tickets, or order confirmations • Sellers posting product photos with personal info in the background • Developers and designers sharing screenshots with tokens or emails • Journalists and researchers redacting documents • Anyone who values privacy before hitting "send" Stop cropping awkwardly or editing in five different apps. Maskduck handles it in seconds.

Screenshots

Angle Meter PRO4 screens
Maskduck4 screens

Verdict

The call

The clearest difference is price: Maskduck at Free against Angle Meter PRO's $3.99. Maskduck also leads on update cadence (weekly vs every 5 months) and iOS requirement (16.0 vs 18.6). Angle Meter PRO's advantage is in-app purchases (none vs 1). On ads and device support 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

Maskduck is free to download; Angle Meter PRO costs $3.99 up front. Maskduck sells 1 one-off in-app purchase. Angle Meter PRO asks for nothing beyond the download.

UpkeepUpdate frequency

Angle Meter PRO ships an update every 5 months, Maskduck weekly. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

Scorecard4 real differences · 6 level
Angle Meter PRO versus Maskduck: the parameters behind the verdict, then further details
ParameterAngle Meter PROMaskduck
Price$3.99Free — better
Rating4.4 (7 ratings) — better—
Positive reviews60.6% of reviews—
Number of ratings7 — better—
Update frequencyEvery 5 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.616.0 — better
Further details — not scored
Size3 MB1 MB
Age rating4+4+
Developernakhon phagdeechat雨燕 杨

In-app purchases

None

Angle Meter PRO

No in-app purchases

1 purchases

Maskduck

One-time1
  • Remove Watermark$0.99

Questions

Is Angle Meter PRO free?
Angle Meter PRO costs $3.99, with no in-app purchases.
Is Maskduck free?
Maskduck is free to download, with in-app purchases available.
Do Angle Meter PRO or Maskduck have ads?
Neither Angle Meter PRO nor Maskduck shows ads.
Which is updated more often, Angle Meter PRO or Maskduck?
Angle Meter PRO ships an update every 5 months, and Maskduck weekly. Most recently, Angle Meter PRO was updated on October 11, 2026 and Maskduck on October 3, 2026.

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