Comparison

RoofCalc vs Chippy Boss

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

Head to head
About

RoofCalc

This app assists roofing and framing carpenters with complex calculations for various roof types and stud walls. It offers metric and imperial unit conversion, a standard calculator, and the ability to share results via email or message. Optimized for iPhones and iPads, it's designed for ease of use by construction professionals.

Highlights
  • Hipped, gabled, and single-pitch roof calculations
  • Stud wall calculations and estimating
  • Metric and imperial unit conversion
  • Standard calculator and quick converter
  • Print, email, or message results
  • Default value settings
Features
Read full description

Roofing and Framing carpentry Calculator. Developed by carpenters and used by professional carpenters, contractors, builders and other construction professionals around the world. An indispensable roof tool for roofing construction. Easy to use - no complex steps to remember. Set default values for the most commonly used values. Metric and imperial at the touch of a button. CALCULATIONS INCLUDE : Hipped, gabled and single-pitch roofs: ◆ Lengths ; ◆ Angles; ◆ Heights; ◆ layout; ◆ Birdsmouth ◆ Pitch (various); ◆ Roof Pitch Factor; ◆ Adjust calculations for a plate higher on one side; ◆ Roof surfaces ; ◆ Stud Wall Calculations & Estimating ; ◆ Other timber layouts ; ALSO:- ◆Easy-to-use standard calculator - common functions for quick calculation. ◆ Quick converter - lengths, areas, volumes: Metric and US/Imperial ◆ Print, email or message lists and even take notes on the first ; Optimised for all iPhones and iPads in portrait mode. INFOGUIDE : Infoguide is part of a small construction company based in Western Australia and this app was created by a former carpenter for our team of carpenters. We use it and believe it will be as useful to other carpenters as it has been to us. Terms of Service: http://www.apple.com/legal/itunes/appstore/dev/stdeula

About

Chippy Boss

Features
Read full description

Chippy Boss is the all-in-one toolbox for carpenters and serious DIYers. Built by chippies, for chippies. From stair layouts and wall framing to job tracking and cut lists, Chippy Boss helps you work faster, stay organised and avoid costly mistakes on site. CARPENTRY CALCULATORS • Stair calculator - tread & riser thickness, nosing, floor finish thickness & more. We support both open and closed stringers, and a full stringer template is displayed for easy set out. • Wall framing - straight & raked walls, intersecting walls, double studs, full cut lists, reversible layout direction, stud spacing, long- & short-point cuts • Concrete - slabs, footings & piers with multi-segment support • Cut-list optimiser - get the best use of your sheets with multiple parts to cut • Deck gaps - calculate board gaps and get set out measurements fast • Shiplap / flooring layout - set out boards with expansion gaps every X boards • Triangle calculator & check-for-square measurements • Running measurements with voice recording & read-aloud • Digital spirit level • Live diagrams you can pan, zoom and expand --- ON-SITE WORKFLOW • Jobs Hub - save calculations against any job, with client details & notes • Time tracking - log hours & tasks against every job • Works fully offline - syncs automatically when you’re back online • Metric & Imperial support throughout, including fractional inches --- CHIPPY SUBSCRIPTION (Paid) Unlock every calculator and advanced feature: • Cut-list optimiser • Wall framing • Running measurements (with read-aloud & voice recording) • Stair calculator • Shiplap / flooring layout • Deck gaps • Concrete calculator • Triangle calculator • Digital spirit level Plus: • Unlimited saved jobs & clients • Log hours • Save calculations to jobs • Save notes to jobs --- FREE (Apprentice Tier) Includes: • Running measurements (basic) • Triangle calculator • Digital spirit level • Basic concrete volumes • Basic wall framing • Log hours for one saved job --- • Chippy Monthly - cancel anytime • Chippy Yearly - save approximately 17%, cancel anytime --- Free Trial - Enjoy full access to every feature free for 14 days Cancel anytime before your trial ends to avoid charges. Local pricing is shown at checkout. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current subscription period. You can manage or cancel your subscription anytime in Settings → Apple ID → Subscriptions. --- Privacy first No ads No tracking pixels No selling your data Privacy Policy: https://chippyboss.com/privacy Terms of Use (EULA): https://app.chippyboss.com/terms

Screenshots

RoofCalc4 screens
Chippy Boss4 screens

Verdict

The call

The clearest difference is iOS requirement: Chippy Boss at 15.0 against RoofCalc's 26.0. On price, update cadence, ads and in-app purchases 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. RoofCalc sells 2 in-app purchases, starting at $1.99 per month and Chippy Boss sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

RoofCalc ships an update monthly, Chippy Boss every 3 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
RoofCalc versus Chippy Boss: the parameters behind the verdict, then further details
ParameterRoofCalcChippy Boss
PriceFreeFree
Rating3.8 (12 ratings) — better—
Positive reviews20.0% of reviews—
Number of ratings12 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size24 MB39 MB
Age rating4+4+
DeveloperInfoguide Pty LtdNicholas Straughan

In-app purchases

2 purchases

RoofCalc

Subscriptions2
  • Monthly$1.991 Month
  • Annual$12.991 Year
2 purchases

Chippy Boss

Subscriptions2
  • Chippy Boss - Monthly14 Days trial$2.991 Month
  • Chippy Boss - Yearly14 Days trial$29.991 Year

Questions

Is RoofCalc free?
RoofCalc is free to download, with in-app purchases available.
Is Chippy Boss free?
Chippy Boss is free to download, with in-app purchases available.
Do RoofCalc or Chippy Boss have ads?
Neither RoofCalc nor Chippy Boss shows ads.
Which is updated more often, RoofCalc or Chippy Boss?
RoofCalc ships an update monthly, and Chippy Boss every 3 weeks. Most recently, RoofCalc was updated on November 1, 2026 and Chippy Boss on October 31, 2026.

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