Carpentry Calculator vs The Chippy Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Carpentry Calculator
This app simplifies complex calculations for carpenters, builders, and DIY enthusiasts. It handles tasks like roofing, stairs, and decking, offering both metric and imperial units. Visual aids and detailed measurements enhance accuracy and efficiency on any project.
- Roofing calculations
- Stair and decking measurements
- Concrete slab and post hole calculations
- Raked wall and balustrade design
- Trigonometry functions
- Metric and imperial unit support
- Light and dark mode options
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The Carpentry Calculator is a must-have tool for all carpenters, builders, handymen and DIYers. This handy app makes light work of any tricky calculations, using either metric or imperial units. It is simple and easy to use, but very powerful. All screens have help available and the app can be switched easily between light and dark modes. The app will complete difficult calculations for roofing, stairs, raked walls, concrete post holes and slabs, concrete stairs, cladding, decking, balustrades (level and raked), trigonometry and that's just the tip of the iceberg. What separates us from the rest is the attention to detail. Most functions will even draw your work and give you a list of running measurements so you know exactly what you are marking out. The Carpentry Calculator will improve efficiency and productivity on the worksite leading to a faster, more accurate and therefore more profitable job. No more scratching your head or pulling out the old textbooks to try remember how to calculate something. Download and see for yourself!
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.
- 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
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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
Verdict
The clearest difference is rating: Carpentry Calculator at 5.0 against The Chippy Calc's 4.5. Carpentry Calculator also leads on monetization model (free vs free with in-app purchases) and iOS requirement (13.0 vs 15.1). The Chippy Calc's advantage is review sentiment (100% vs 71%). On price, ratings volume, update cadence and ads 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
Both are free to download. Carpentry Calculator sells 2 one-off in-app purchases 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.
Carpentry Calculator holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews complicate that: 71% of Carpentry Calculator's written reviews are positive against 100% of The Chippy Calc's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.
| Parameter | Carpentry Calculator | The Chippy Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.5 (2 ratings) |
| Positive reviews | 71.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 23 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthew Spencer | Vike Digital Pty Ltd |
Customer experience
Carpentry Calculator
The Chippy Calc
In-app purchases
Carpentry Calculator
- Discounted upgrade$3.49
- Upgrade to paid version$4.99
The Chippy Calc
- Monthly3 Days trial$3.991 Month
- Annually$19.991 Year
- Lifetime Premium Access$79.99
Questions
Is Carpentry Calculator free?
Is The Chippy Calc free?
Which has better reviews, Carpentry Calculator or The Chippy Calc?
Do Carpentry Calculator or The Chippy Calc have ads?
Which is updated more often, Carpentry Calculator or The Chippy Calc?
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