Sparrow Pro — The Forge subscription

The Forge — Full Membership. One membership. Every tool. No tiers.

What you get

• Arrow Builder + Recommender — validated spine math, FOC, Your Number hit-confidence, Penetration Index.
• 11-step Bow Tuning Wizard — grip assessment, cam pre-lean + timing + sync, tiller, center shot, paper, bareshaft, walk-back, broadhead group.
• Full Sight Tape printer — precision tapes from your chronograph readings and atmospheric conditions, not spec-sheet estimates. Hybrid tick spacing, 3-copy print layout.
• Shot Solver — density altitude, wind drift, angle compensation, hold-over to 200 yd.
• Phone Chronograph + Chrono tab — measure your real arrow speed with your phone.
• Compete module — USA Archery, World, NFAA, NASP, S3DA, IBO, ASA, Redding, TAC pickers + equipment compliance checker.
• Shaft Selector, A/B Compare Builds, Angle Cut Chart, wind-drift visualizer — the whole bench.
• Tuning history + 100+ bow database — drift detection, PDFs, 2022–2026 flagships with manufacturer specs.
• Everything we ship next — new tools fold into this same membership. No upcharges, no tier shuffle.

Founding Flock — first 100 members lock $36/yr for life. We priced it dead-level with the single-purpose calculators on purpose — run The Forge next to whatever you use now and decide for yourself. After seat 100, it's $8/mo or $72/yr.

Start free. The Free tier never asks for a card — join anytime, cancel whenever you like.