Comparison

Protractor Angle Measure App vs Blank

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

Head to head
About

Protractor Angle Measure App

This tool allows for instant and accurate angle measurements using a digital protractor, camera overlay, and ruler. It supports 180° and 360° measurements, ideal for students, engineers, builders, and DIYers for various projects.

Highlights
  • Accurate digital protractor
  • 180° & 360° measurement
  • Camera overlay for real-time angles
  • Ruler mode for line measurement
  • Angle lock and precision control
  • Simple, distraction-free interface
Features
Read full description

Protractor: Angle Finder is a clean, simple, and accurate tool for measuring angles instantly. Designed for students, engineers, builders, DIY enthusiasts, and anyone who needs fast, reliable measurements. Use the digital protractor, camera overlay, and ruler to measure 180° or 360° angles with precision. Rotate, align, and zoom objects easily for math, carpentry, or design projects. Key Features Accurate digital protractor – measure angles with confidence 180° & 360° measurement – perfect for any project Camera protractor – overlay angles in real time Ruler mode – measure straight lines Angle lock & precision control – avoid mistakes Simple, clean interface – distraction-free design Perfect for school, DIY, construction, or design Whether measuring angles on paper, screens, or objects through your camera, this app makes every measurement fast, accurate, and easy. Who Needs This App? Students learning geometry Engineers and architects DIY enthusiasts and hobbyists Builders and carpenters Designers and illustrators Subscription Details Savory All Access Monthly: $7.99 Yearly: $34.99 Auto-renews unless canceled Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.e-droid.net/privacy.php?ida=3820332&idl=en Download Now Measure angles in seconds with Protractor: Angle Finder – precise, reliable, and simple for every project.

About

Blank

Features
Read full description

Blank hides private messages inside ordinary-sounding audio. Pick a sound, type a secret, set a password, and Blank gives you back a normal audio file with your message woven invisibly inside. Anyone can play it. Only someone with the password can reveal what is hidden. Everything happens on your device. Your messages and passwords never leave your iPhone. HOW IT WORKS • Encrypt: your message is sealed with AES-256 using your password. • Hide: the encrypted data is woven into the audio, inaudibly. • Reveal: open a Blank file, enter the password, read the message. FEATURES • Hide encrypted text inside 16-bit WAV audio • Seven built-in cover sounds (rain, waves, wind, stream, campfire, night, soft static), or import your own • On-device only. Nothing is ever uploaded. • A wrong password or an altered file is detected, never faked • Face ID app lock • Light and dark, clean and modern • Preview the audio in the app before you share SHARING IT SAFELY For AirDrop, Files, or email, share the audio file. To send it through a chat app like WhatsApp or Telegram, tap Send safely, which delivers the file without re-compressing it. A voice note or re-compressed audio erases the hidden message. BLANK PRO A one-time purchase unlocks unlimited message length. The free version hides short messages. Blank is a privacy and education tool built around classic audio steganography and modern encryption.

Screenshots

Protractor Angle Measure App4 screens
Blank4 screens

Verdict

The call

The clearest difference is ads: Blank at none against Protractor Angle Measure App's shown. Protractor Angle Measure App's advantage is iOS requirement (13.0 vs 16.4). On price, update cadence, in-app purchases 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. Protractor Angle Measure App sells 2 in-app purchases, starting at $3.99 per month and Blank sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Protractor Angle Measure App ships an update every 4 months, Blank every 2 months. Both last shipped on October 31, 2026.

Scorecard2 real differences · 8 level
Protractor Angle Measure App versus Blank: the parameters behind the verdict, then further details
ParameterProtractor Angle Measure AppBlank
PriceFreeFree
Rating2.3 (4 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings4 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size57 MB62 MB
Age rating4+4+
DeveloperEbenezer OtengJoseph Emmanuel Deladem Kudjordji

In-app purchases

2 purchases

Protractor Angle Measure App

Subscriptions1
  • Premium Monthly$3.991 Month
One-time1
  • Lifetime access$9.99
1 purchases

Blank

One-time1
  • Blank Pro$14.99

Questions

Is Protractor Angle Measure App free?
Protractor Angle Measure App is free to download, with in-app purchases available.
Is Blank free?
Blank is free to download, with in-app purchases available.
Do Protractor Angle Measure App or Blank have ads?
Protractor Angle Measure App shows ads; Blank does not.
Which is updated more often, Protractor Angle Measure App or Blank?
Protractor Angle Measure App ships an update every 4 months, and Blank every 2 months. Most recently, Protractor Angle Measure App was updated on October 31, 2026 and Blank on October 31, 2026.

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