Comparison

Protractor for Angle Measuring vs The Chippy Calc

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

Head to head
About

Protractor for Angle Measuring

Transform your iPhone into a precision angle measuring tool. Easily measure angles in real-time using touch or camera modes, and even analyze angles in existing photos. Customize your tools for a seamless experience.

Highlights
  • Real-time angle measurement
  • Touch and camera modes
  • Measure angles in photos
  • Simultaneous unlimited angle measurement
  • Tool color customization
  • Plumb bob pendulum for tilt
Features
Read full description

Your pocket angle expert! Transform your iPhone into a precision tool for real-time angle measurement. Simply tap, snap, and assess angles effortlessly with our intuitive touch and camera modes. Measure unlimited angles simultaneously, customize tools, and enjoy the perfect blend of accuracy and simplicity. Ideal for architects or anyone seeking quick, reliable measurements. Embrace the power of Protractor for fast, on-the-go angle assessments! Key Features: • Touch Measure: Tap the screen to set angles (use the camera view). • Plumb Bob Pendulum: Perfect for determining tilt (calibrate for accuracy). • Angle Measurement in Photos and from Camera. • Simultaneous Measurement of Unlimited Angles. • Tool Color Customization for Visual Convenience. Privacy Policy: https://appliks.com/privacy-policy ​​Terms of Use: https://appliks.com/terms-of-use

About

The Chippy Calc

This app provides carpenters, builders, and DIYers with precise, visual construction calculations. It offers specialized tools for stairs, decks, rafters, and more, with support for both metric and imperial units. All calculations can be saved and accessed offline.

Highlights
  • Visual results with scaled diagrams
  • Metric and imperial unit support
  • Offline functionality
  • 14+ specialized construction calculators
  • Stair, deck, and rafter calculations
  • Linear cut list optimization
Features
Read full description

The Chippy Calc helps carpenters, builders, and DIYers work faster with precise, visual calculations. See measurements clearly on screen, switch seamlessly between metric and imperial, and keep your work saved for later — even when you are offline. Built by a qualified carpenter in Melbourne, the app focuses on real site workflows. Calculations are paired with scaled diagrams so you can verify inputs at a glance and reduce mistakes. Key capabilities: - Visual results alongside every calculation - Universal units with metric and imperial support - Works fully offline for on-site use - 17+ specialized calculators designed for construction tasks Popular calculators include: - Stair calculator for rise/run, step count, and stringer details - Decking calculator for boards, picture frames, overhangs, fascia, and screws - Rafter calculator for lengths, plumb/seat cuts, tails, and pitch for gable and skillion - Housed stringers for stopped or through housings with detailed set-out diagrams - Arc calculator for radius, diameter, chord, rise, arc length, and wall offsets - Slope and fall for gradients, ratios, levels, and drainage runs - Balustrade spacing for compliant gaps and end margins - Even spacing to distribute items with equal end gaps or center options - Linear cut list to optimize stock lengths and reduce waste - Right angle and oblique triangle solvers - Slab and concrete for holes, piers, slabs, and beams - Raked walls for precise stud lengths on sloped walls Who it is for: - Carpenters and tradies who need reliable, fast results - Builders, site supervisors, apprentices, and DIY homeowners Support: - Help guides are included for each calculator - Contact: support@thechippycalc.com - Privacy: https://thechippycalc.com/privacy Build smarter. Calculate faster. See your measurements clearly with The Chippy Calc. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Protractor for Angle Measuring4 screens
The Chippy Calc4 screens

Verdict

The call

Protractor for Angle Measuring and The Chippy Calc both sit at 4.5 stars, but that hides the real split: 100% of The Chippy Calc's written reviews are positive against 49% of Protractor for Angle Measuring's. The Chippy Calc also leads on ads (none vs shown). Protractor for Angle Measuring's advantage is ratings volume (1K vs 2) and update cadence (every 2 weeks vs every 2 months). On price, rating, in-app purchases and monetization model 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 for Angle Measuring sells 5 in-app purchases, starting at $0.99 per 7 days and The Chippy Calc sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Protractor for Angle Measuring against 4.5 for The Chippy Calc. That said, the two scores are not equally well evidenced: Protractor for Angle Measuring has 1K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 49% of Protractor for Angle Measuring's written reviews are positive against 100% of The Chippy Calc's.

UpkeepUpdate frequency

Protractor for Angle Measuring ships an update every 2 weeks, The Chippy Calc every 2 months. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 6 level
Protractor for Angle Measuring versus The Chippy Calc: the parameters behind the verdict, then further details
ParameterProtractor for Angle MeasuringThe Chippy Calc
PriceFreeFree
Rating4.5 (1K ratings)4.5 (2 ratings)
Positive reviews49.4% of reviews100.0% of reviews — better
Number of ratings1K — better2
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.616.4 — better
Further details — not scored
Size112 MB76 MB
Age rating4+4+
DeveloperAppLiks Sp. z O.O.Vike Digital Pty Ltd

Customer experience

Protractor for Angle Measuring

All ratings1,023 ratings
Positive88.5%
Neutral4.6%
Negative6.9%
Written reviews77 reviews
Positive49.4%
Neutral5.2%
Negative45.5%

The Chippy Calc

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Protractor for Angle Measuring

Reported bugs

2 issues
  • Protractor tool is hard to use and requires multiple tries
  • Angle measurements do not match real-world angles

Requested features

3 requests
  • Add more instructions and guidance for using the protractor tool
  • Improve the zoom functionality when measuring angles in photos
  • Enhance the accuracy of angle measurements

The Chippy Calc

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Protractor for Angle Measuring

Subscriptions5
  • Weekly Access$0.997 Days
  • Weekly Access with Trial3 Days trial$1.997 Days
  • Weekly Access$1.997 Days
Show 2 more
  • Yearly Access$3.991 Year
  • Yearly Access$4.991 Year
3 purchases

The Chippy Calc

Subscriptions2
  • Monthly3 Days trial$3.991 Month
  • Annually$19.991 Year
One-time1
  • Lifetime Premium Access$79.99

Questions

Is Protractor for Angle Measuring free?
Protractor for Angle Measuring is free to download, with in-app purchases available.
Is The Chippy Calc free?
The Chippy Calc is free to download, with in-app purchases available.
Which has better reviews, Protractor for Angle Measuring or The Chippy Calc?
Protractor for Angle Measuring and The Chippy Calc are both rated 4.5 out of 5 on the App Store, from 1K and 2 ratings respectively.
Do Protractor for Angle Measuring or The Chippy Calc have ads?
Protractor for Angle Measuring shows ads; The Chippy Calc does not.
Which is updated more often, Protractor for Angle Measuring or The Chippy Calc?
Protractor for Angle Measuring ships an update every 2 weeks, and The Chippy Calc every 2 months. Most recently, Protractor for Angle Measuring was updated on October 14, 2026 and The Chippy Calc on October 9, 2026.

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