Comparison

PDF Noted vs Right Angle PRO

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

Head to head
About

PDF Noted

Features
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Effortlessly extract, view, and export highlights and notes from your PDFs. PDF Noted is a simple, focused utility that turns your annotations — highlights, underlines, and notes — into clean, readable text. Whether you're studying, reviewing research, or preparing summaries, PDF Noted helps you quickly capture what's important. Features: • Extract highlights, underlines, and notes from PDFs. • Export your annotations as plain text or RTF (styled text). • Extract annotations from PDFs in any app by using the Share menu. Full Version — one-time purchase ($7.99): • Unlock all features with no limitations.

About

Right Angle PRO

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The right-angle calculator built for the job site. RightAngle PRO handles the units you actually use — fractional inches (1/16, 1/32, 1/64), feet & inches, decimal inches, and millimeters — with instant diagram preview and high-precision results. Key Features Fractional Inches & Feet Support Choose your precision: 1/16", 1/32", or 1/64" — matched to your tape measure. Enter any fraction and the result automatically rounds to your selected precision. Sub-display instantly shows the converted value in your chosen second unit. Customizable Unit Combinations Mix and match unit displays freely in any combination. Real-Time Preview Every digit you type or delete is instantly reflected in the diagram. Input errors are immediately visible, making operation intuitive and efficient. Massive Calculation Range: Up to 500 km From small building components to wide-area surveying simulations — calculate angles to mountain peaks or tall structures while referencing a map. High Precision Display Side lengths displayed to 4 decimal places. Angles to 6 decimal places (4 in DMS). Tap any value for detailed precision readout. Left/Right Diagram Toggle Flip the diagram between right-rising and left-rising with one tap. PDF Export Save and print calculation results with diagrams as PDF. Easy to share on-site or by email. Light & Dark Mode Switch between Light and Dark mode to suit your environment and preference. Works Without Internet All calculations run offline. Calculation data is processed only on your device. Specifications ■ Supported Units ・ft & in (1/16 fractional) ・ft & in (1/32 fractional) ・ft & in (1/64 fractional) ・ft & in (decimal) ・Inches (1/16 fractional) ・Inches (1/32 fractional) ・Inches (1/64 fractional) ・Inches (decimal) ・Feet ・Millimeters (mm) ・Meters (m/cm/mm) ■ Maximum Input  Meter mode: up to 500 km  Other modes: up to 1,000 m ■ Calculation Precision ・Sides: rounded at 5th decimal, displayed to 4th ・Fractions: any fraction accepted — result rounds to 1/16, 1/32, or 1/64 ・Angles:  [Degrees] Diagram: 2 decimal / Precision: 6 decimal  [DMS] Diagram: whole seconds / Precision: 4 decimal (seconds) ・1 inch = 25.4 mm (exact) ・1 foot = 304.8 mm (exact) Who Is This For? Carpenters, framers, contractors, and construction professionals working with imperial measurements. Anyone who needs to calculate angles, slopes, or diagonal lengths on the job site. DIY enthusiasts and model makers who need precise angle calculations. Those who frequently convert between fractional inches, feet, and metric. Please Note Every effort has been made to ensure calculation accuracy. However, minor rounding errors may occur. Please verify all results before use in construction or professional work. As we continually improve the app, if there is any discrepancy between this description and the actual behavior, the app's behavior takes precedence. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDF Noted3 screens
Right Angle PRO4 screens

Verdict

The call

The clearest difference is iOS requirement: Right Angle PRO at 15.6 against PDF Noted's 17.6. On price, ads, 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. PDF Noted sells 1 one-off in-app purchase and Right Angle PRO sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 5 level
PDF Noted versus Right Angle PRO: the parameters behind the verdict, then further details
ParameterPDF NotedRight Angle PRO
PriceFreeFree
Update frequency—Monthly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.6 — better
Further details — not scored
Size2 MB17 MB
Age rating4+4+
DeveloperReferencesOnTapMasashi Konno

In-app purchases

1 purchases

PDF Noted

One-time1
  • Full Version$7.99
2 purchases

Right Angle PRO

Subscriptions2
  • RightAngle PRO Monthly$3.991 Month
  • RightAngle PRO Yearly$39.991 Year

Questions

Is PDF Noted free?
PDF Noted is free to download, with in-app purchases available.
Is Right Angle PRO free?
Right Angle PRO is free to download, with in-app purchases available.
Do PDF Noted or Right Angle PRO have ads?
Neither PDF Noted nor Right Angle PRO shows ads.

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