Trigr vs Rafter Builder

Looking for an easy-to-use trigonometry solving app that can handle both right angle and isosceles triangles? Look no further than Trigr! With just two measurements - whether it's two sides or one side and an angle - Trigr can quickly and accurately solve all the other measurements, making it the perfect tool for students, engineers, builders, and anyone who needs to work with triangles on a regular basis. With Trigr, you don't need to be a math whiz to solve complex trigonometry problems. Simply input your measurements and let the app do the rest! And with its user-friendly interface, you'll be able to solve even the most complicated triangles in no time at all. But Trigr isn't just easy to use - it's also incredibly versatile. Whether you're working on a construction site, designing a building, or simply studying for a math test, Trigr has the tools you need to make accurate calculations and solve problems with ease. So why wait? Download Trigr today and start solving triangles like a pro! Standard Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Rafter Builder is a professional roof framing calculator and design toolkit for contractors, framers, carpenters, and serious DIY builders. Run accurate rafter calculations, generate cut lists, visualize framing in 2D and 3D, and export PDF blueprints — all from your iPhone, iPad, or Mac. 11 ROOF BUILDERS. EVERY JOB. Rafter Builder covers the full range of residential roof geometry: • Common Rafter — pitch, run, overhang, birdsmouth, plumb and seat cuts • Hip Roof — hip rafter, jack rafter schedule, bevel and backing angles • Valley — intersecting roof geometry, valley lengths, cut angles • Gable Truss — span, pitch, webs, and fabrication layout • Dormer — dormer framing integrated into a main roof body • Single Slope — lean-to and shed roof workflow • Open Valley — flashing gap, valley rafter, and cut-angle sheet • Gambrel — dual-pitch profile with segmented rafters • Turret — polygon-based radial rafter framing • Bay — bay roof facets, hips, and compact framing schedule • A-Frame — symmetrical A-frame with ridge and full-span rafters Common Rafter is free. All other builders are included with Rafter Builder Pro. PRECISE OUTPUT. EVERY TIME. Enter roof pitch, run, overhang, and lumber details. Get exact member lengths, rise, tail, fascia height, birdsmouth dimensions, plumb cuts, and seat cuts — to 1/16" precision or finer. Results update in real time as you type. CUT LISTS. MATERIAL LISTS. PDF BLUEPRINTS. Every build produces a complete cut list by member type, a material list by lumber size and quantity, and a structured PDF blueprint ready to print or share with your crew. Exports are versioned so you always know which plan went to the field. 2D AND 3D VISUALIZATION View your roof from the top, side, or in a live 3D orbit. Tap any member to inspect its exact dimensions, angles, and cut details. Toggle labels on or off. The 3D model renders in under two seconds for standard projects. BUILT FOR THE JOB SITE • Fully offline — no account, no email, no sign-in required • Works on iPhone, iPad, and Mac Catalyst • Imperial (feet-inch-fraction) and metric • Large touch targets for glove-friendly use • Autosaves continuously — interruptions never lose your work • Organize jobs into folders and archive completed projects PROJECT MANAGEMENT Save and reopen projects, duplicate jobs for variations, attach files, and maintain a full versioned export history. Free tier supports up to 3 active projects with watermarked preview exports. RAFTER BUILDER PRO Monthly and annual plans unlock: • All 10 premium builders (Hip, Valley, Truss, Dormer, Single Slope, Open Valley, Gambrel, Turret, Bay, A-Frame) • Full PDF and CSV exports with no watermark • Advanced 3D views • Unlimited saved projects • Material lists and versioned export history PLANNING AID — NOT ENGINEERING SIGN-OFF Rafter Builder is a planning and fabrication aid. Always verify calculations against local building codes, engineering requirements, and actual site conditions before cutting. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/