Comparison

Protractor Angle Finder Pro vs Smart Protractor

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

Head to head
About

Protractor Angle Finder Pro

This utility app provides a digital protractor using your device's camera for accurate angle measurements on real-world objects. It offers magnification and a frame pause feature for detailed inspection, making it ideal for DIY projects and hobbies.

Highlights
  • Camera-based angle measurement
  • Real-time video feed overlay
  • Frame pause for static inspection
  • Up to 11x magnification
  • Integrated torch
Features
Read full description

Magnifying Glass. Do you need a quick and easy to use protractor? No problem, here it is. Ideal solutions for DIY projects, and hobbies. The camera is used to display a real-time video feed, allowing you to measure angles more accurately by overlaying the protractor on objects or surfaces. For example, you can use the camera to measure angles on physical objects or drawings directly for better precision and ease of use. Features: * frame pause that allowas to inspect a single frame (static image) without a need of taking a picture. * up to 11 times magnification. * torch. No fuss protractor. Does what it says on the tin.

About

Smart Protractor

Features
Read full description

A simple and accurate tool for measuring angles right on your iPhone. With camera support and image import, you can easily overlay a virtual protractor on real-world objects or photos. Zoom, rotate, and pan with intuitive gestures to get the exact view you need. Whether you’re tackling DIY projects, woodworking, or academic tasks, this app helps you find precise angles quickly and easily. Features: - Import and overlay images for easy angle measurement - Multi-touch controls for zoom, rotation, and panning - Clean, user-friendly interface designed for quick use on the go Perfect for anyone who needs reliable and precise angle measurement anytime, anywhere.

Screenshots

Protractor Angle Finder Pro4 screens
Smart Protractor4 screens

Verdict

The call

The clearest difference is in-app purchases: Protractor Angle Finder Pro at none against Smart Protractor's 2. Protractor Angle Finder Pro also leads on iOS requirement (12.1 vs 17.2). On price, update cadence, 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

Both are free to download. Smart Protractor sells 1 one-off in-app purchase. Protractor Angle Finder Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Protractor Angle Finder Pro ships an update fortnightly, Smart Protractor every 2 weeks. The most recent releases landed on September 5, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 8 level
Protractor Angle Finder Pro versus Smart Protractor: the parameters behind the verdict, then further details
ParameterProtractor Angle Finder ProSmart Protractor
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyFortnightly — betterEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.1 — better17.2
Further details — not scored
Size25 MB8 MB
Age rating4+4+
DeveloperKrzysztof GwiazdaJun Yamabe

In-app purchases

None

Protractor Angle Finder Pro

No in-app purchases

1 purchases

Smart Protractor

One-time1
  • Remove Ads2 variants$2.99

Questions

Is Protractor Angle Finder Pro free?
Protractor Angle Finder Pro is free to download, with no in-app purchases.
Is Smart Protractor free?
Smart Protractor is free to download, with in-app purchases available.
Do Protractor Angle Finder Pro or Smart Protractor have ads?
Neither Protractor Angle Finder Pro nor Smart Protractor shows ads.
Which is updated more often, Protractor Angle Finder Pro or Smart Protractor?
Protractor Angle Finder Pro ships an update fortnightly, and Smart Protractor every 2 weeks. Most recently, Protractor Angle Finder Pro was updated on September 5, 2026 and Smart Protractor on September 11, 2026.

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