# Projectile Arrow Cal

> Projectile Arrow Cal (iPhone/iPad app by 思近 李.)

- Source: https://appshunter.io/ios/app/projectile-arrow-cal/id6757831887 (this page in markdown: same URL + `.md`)
- Developer: [思近 李](https://appshunter.io/developer/1866520615)
- Category: Games, Casual
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 13 MB
- Languages: English
- Released: 2026-01-23
- Data updated: 2026-05-13
- User reviews in markdown: https://appshunter.io/ios/app/projectile-arrow-cal/id6757831887/reviews.md

## What is Projectile Arrow Cal?

This is a computing application designed specifically for shooting accuracy, compound bow hunting, and archery enthusiasts. We transform complex physical parabolic formulas and equipment mechanics models into intuitive and hardcore tactical dashboards. Whether it's adjusting the sight to zero or assembling a dozen new arrows, we can provide you with precise data support.
1. Tactical ballistic calculation
Accurate calculation: Input the initial velocity (FPS), weight (Grains), and target distance of the arrow to instantly calculate vertical drop compensation (Drop) and horizontal wind drift correction (Wind Drift).
Environmental adaptation: Supports setting of crosswind speed and direction parameters
2. Arrow calibration analysis
Momentum and F.O.C.: By comprehensively calculating the intercept length, rod to weight ratio (GPI), arrow and tail feather accessory weight, the total weight of the arrow support, momentum factor, and F.O.C. (center of gravity forward displacement rate) can be accurately obtained.
Equipment matching: Visualize the center of gravity position to assist you in determining whether the spine hardness matches the current weight, optimizing flight stability.
3. Score prediction
Based on your average single arrow and number of arrows, calculate the total score of intelligent calculation theory.
Status assessment: Provide competitive status ratings to help shooters establish reasonable psychological expectations and goals before competitions and assessments.


## Version history (last 2 releases)

### 1.6 — 2026-05-11

fix bug

### 1.0 — 2026-01-23

No release notes.

## More apps by 思近 李

- [Jot Memo](https://appshunter.io/ios/app/jot-memo/id6757734458)

All apps by 思近 李: https://appshunter.io/developer/1866520615

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-13.*