Comparison

Pocket Toolbox vs Carpenter Pro Calc

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

Head to head
About

Pocket Toolbox

Features
Read full description

Turn your iPhone into a portable PDF scanner, OCR reader, and 15-tool utility kit — no subscriptions required to get started. Scan documents, extract text from photos, create and merge PDFs, convert units, generate QR codes, check levels, and more. Everything runs on-device. No account, no cloud uploads. Apple Watch app, Home Screen Widgets, and Shortcuts support included. WHY CHOOSE POCKET TOOLBOX? Whether you're a tradesperson, student, or just someone who loves having the right tool at hand, Pocket Toolbox combines convenience with powerful functionality in one beautifully designed app. PDF & SCANNING TOOLS • Document Scanner - Scan paper documents to searchable PDFs with your camera • PDF Creator - Convert photos and images to PDF documents • PDF Merge & Split - Combine or separate PDF files • OCR Text Recognition - Extract text from scans and photos • ZIP Compression - Create compressed archives • Document Converter - Convert PDF, TXT, images PRODUCTIVITY TOOLS • Smart Calculator - Advanced calculator with history and scientific functions • Timer & Stopwatch - Multiple timers and precision stopwatch • Unit Converter - Convert 100+ units, plus live currency exchange rates • Clipboard Manager - Access your clipboard history UTILITY TOOLS • QR Scanner & Generator - Scan and generate QR codes • Flashlight - LED flashlight with strobe and SOS modes • Compass - Digital compass with coordinates • Bubble Level - Precision level for alignment • Color Picker - Extract colors from photos SECURITY & ADVANCED • Password Generator - Create strong, secure passwords • Network Tools - WiFi info and speed test • Measurement Tools - Ruler and protractor PREMIUM FEATURES • Ad-free experience • Priority support • Unlimited history • Advanced customization • Regular updates with new tools KEY FEATURES • Dark Mode Support • 33+ Languages • VoiceOver & Accessibility • Privacy Focused - Data stays on device • No Account Required • Offline Ready • Apple Watch Support • Home Screen Widgets PERFECT FOR • DIY enthusiasts • Students and professionals • Travelers and adventurers • Anyone who values efficiency Download Pocket Toolbox today! Whether you need to convert a PDF, scan a QR code, check if a surface is level, or generate a secure password - we've got you covered. Join thousands of users who've made Pocket Toolbox their go-to utility app! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lid-web-privacy.web.app/pocket-toolbox-privacy-policy-ios.html

About

Carpenter Pro Calc

This comprehensive calculator is designed for construction professionals, offering a wide range of tools for measurements, estimations, and layout calculations. It provides both free and pro features, all accessible offline and without ads.

Highlights
  • Fractional math for measurements
  • Unit conversion for various metrics
  • Area and roof pitch calculations
  • Stair and rafter layout tools
  • Material and concrete slab estimation
  • Framing and tile layout assistance
  • Offline functionality
Features
Read full description

Built in 2026, not 2012. Carpenter is the trade calculator for carpenters, framers, roofers, and remodelers who are tired of plastic-calculator emulators, ads mid-job, and per-trade upsells. One-time $14.99. Full Pro toolkit. All IRC editions. Forever. FREE CALCULATORS • Feet-Inch Calculator — fractional math (5'4 1/2" + 3'7 3/8") with configurable precision (1/2, 1/4, 1/8, 1/16, 1/32) • Unit Converter — Length, Area, Volume, Temperature, Weight, Pressure (ft↔m, in↔mm, ft²↔m², yd³↔m³, °F↔°C, lb↔kg, psi↔kPa) • Area Calculator — rectangle, triangle, circle, trapezoid • Roof Pitch Calculator — rise/run ↔ angle ↔ slope % PRO CALCULATORS — $14.99 one-time (V1.0) • Stair Calculator — total rise/run, treads, IRC R311.7 layout, feet-inch fractions • Rafter Calculator — common, hip, valley, jack, ridge cut, birdsmouth, tail cut, plumb/bevel • Material Estimator — board feet, lineal feet, sheet goods, waste • Concrete Slab — yards, 60lb/80lb bags, rebar grid, expansion joints • Framing Layout — wall studs (16/19.2/24 OC), plates, blocking, header sizing per IRC R602 • Tile Layout — area + grout joint + waste, per-box, layout offset • Roof Coverage — squares, bundles, ridge cap, drip edge, underlayment REFERENCE TABLES • IRC R602 — stud spacing • IRC R311 — stair geometry • IRC R905 — roofing material reference • Lumber dimensions (nominal vs actual) WHY CARPENTER? - No ads. Ever. - No accounts. No sign-in. - All IRC editions included — 2018, 2021, 2024 (no future upsell) - No subscription required — $14.99 once, forever - 7-day free trial of Pro - 100% offline — no signal needed on the jobsite - Dark mode + glove-friendly tap targets - Universal — iPhone + iPad in one purchase Same pricing model as Conduit — our sister electrician calculator. You buy it once, you own it forever. That's the deal. — LEGAL — Privacy Policy: https://panxiang1017.github.io/StaticPage/privacy-policy.html Terms of Use (EULA): https://panxiang1017.github.io/StaticPage/terms-of-use.html

Screenshots

Pocket Toolbox4 screens
Carpenter Pro Calc4 screens

Verdict

The call

The clearest difference is ads: Carpenter Pro Calc at none against Pocket Toolbox's shown. Carpenter Pro Calc also leads on update cadence (every 6 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement 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. Pocket Toolbox sells 2 in-app purchases, starting at $0.99 per month and Carpenter Pro Calc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Pocket Toolbox ships an update every 3 weeks, Carpenter Pro Calc every 6 days. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 7 level
Pocket Toolbox versus Carpenter Pro Calc: the parameters behind the verdict, then further details
ParameterPocket ToolboxCarpenter Pro Calc
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 6 days — better
AdsYesNo — better
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.518.0 — better
Further details — not scored
Size15 MB2 MB
Age rating4+4+
DeveloperMuge Akalin向 潘

In-app purchases

2 purchases

Pocket Toolbox

Subscriptions2
  • Premium Access$0.991 Month
  • Premium Access$9.991 Year
1 purchases

Carpenter Pro Calc

One-time1
  • Carpenter Pro — Unlock All$9.99

Questions

Is Pocket Toolbox free?
Pocket Toolbox is free to download, with in-app purchases available.
Is Carpenter Pro Calc free?
Carpenter Pro Calc is free to download, with in-app purchases available.
Do Pocket Toolbox or Carpenter Pro Calc have ads?
Pocket Toolbox shows ads; Carpenter Pro Calc does not.
Which is updated more often, Pocket Toolbox or Carpenter Pro Calc?
Pocket Toolbox ships an update every 3 weeks, and Carpenter Pro Calc every 6 days. Most recently, Pocket Toolbox was updated on October 25, 2026 and Carpenter Pro Calc on October 11, 2026.

Other comparisons