Pulley Mech Advantage

Name: Pulley Mech Advantage
Author: Linh Phan Nhat Khanh

iOS app by Linh Phan Nhat Khanh. Utilities · Linh Phan Nhat Khanh

Store rating: 0 / 5
Store rating count: 0
Download price: Free to download
In-app purchases: Unknown
Version: 1.1.0
Listing last refreshed: 2026-09-07

Store description excerpt

Stop guessing how much force your pulley system needs. Pulley gives you the exact mechanical advantage ratio and required effort in seconds — offline, every time. — KEY FEATURES — • Instant MA calculator: enter load weight (kg) and number of rope segments; get the mechanical advantage ratio and effort required immediately • Live rope-path diagram that redraws as you adjust segment count — see fixed and movable pulleys update in real time • Color-coded effort indicator: green (under 25% of load), orange (25–50%), and red (over 50%) so you know at a glance whether your rig is right • Eight classic pulley reference systems — Fixed, Movable, Block & Tackle 2:1/3:1/4:1, Compound, Gun Tackle, and Luff Tackle — each with MA ratio, rope segment count, use-case notes, and a diagram • Save unlimited load scenarios: name the lift, set the weight, pick the system, add notes, and Pulley stores the calculated effort alongside every entry • Five real-world seed scenarios (engine block, rescue litter, sail boom, stage counterweight, garage bike hoist) ready to explore on first launch • Supports up to 12 rope segments for compound and multi-block configurations • Fully offline — no account, no ads, no network access required Pulley is designed for riggers, sailors, rescue technicians, stage crews, and anyone who needs to plan a lift or understand how a block-and-tackle system works. Use it in the field, on deck, or backstage — no signal needed. — Pulley Mech Advantage PREMIUM — Premium unlocks the full Pulley experience: save unlimited load scenarios, access all eight reference rigging systems, build compound rigs up to 12 segments, and use every feature completely offline with no ads. Subscription options: • Weekly — $9.99 / week • Yearly — $49.99 / year (includes a 3-day free trial) Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the period. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://pnkl26.web.app/privacy-policy

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