---
title: "ShaftCPM - Reviews, Revenue and Downloads in United Kingdom | Apple App Store"
description: "ShaftCPM is a spectrum analyzer that measures a golf shaft's natural frequency in CPM (cycles per minute) in real time.  You don't attach your phone to the club. Clamp the club to the edge of a desk, "
---

# ShaftCPM — United Kingdom
> Golf shaft frequency in CPM

![ShaftCPM App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/91/b6/09/91b609ca-baab-52e2-e494-8a3c249e99e2/AppIcon-1x_U007ephone-0-1-85-220-0.png/434x0w.png)

**Developer:** [koutarou hayashi](https://apptail.io/developer/koutarou-hayashi-XZeknc) (Japan)
**Category:** Sports
**Rating:** N/A (0 ratings)
**Price:** £4.99
**Bundle ID:** hayacom.info.ShaftCPM
**Store:** Apple App Store
**Country:** United Kingdom
**Version:** 1.0.1 (released 2026-06-12)
**Original Release:** 2026-06-11
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/gb/app/app/id6778761958)
**AppTail Page:** [https://apptail.io/app/shaftcpm-XNBA/united-kingdom](https://apptail.io/app/shaftcpm-XNBA/united-kingdom)

## ShaftCPM Description
ShaftCPM is a spectrum analyzer that measures a golf shaft's natural frequency in CPM (cycles per minute) in real time.

You don't attach your phone to the club. Clamp the club to the edge of a desk, lay your iPhone flat on the desk, pluck the shaft, and tap Start. The frequency appears as a large number and a graph. Because nothing is attached to the club, its mass doesn't lower the frequency, giving good absolute accuracy.

■ Features
・Real-time CPM: analyzes the shaft's vibration and shows the natural frequency in large type.
・Spectrum & peak detection: plots the vibration spectrum and automatically detects the peak (natural frequency), with an approximate ± range.
・Desk-placement method: nothing is attached to the club, so its mass doesn't lower the reading.
・Portrait & landscape layouts.
・Japanese / English, following your device language.

■ Great for
・Comparing how stiff or soft your shafts are, as numbers.
・A reference when reshafting or checking specs.
・Measuring frequency easily without dedicated equipment.

■ Please note
Readings are approximate. Please use them as a reference, not as exact frequency measurements. They are more than adequate for comparing how stiff or soft your shafts are.

This app uses only the accelerometer—no microphone, camera, or location. It collects and transmits no personal information or data.

## ShaftCPM Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/64/53/6f/64536f4b-770a-48fd-2f5f-ec7b65372f00/01-main.png/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/40/54/a1/4054a1aa-a6e5-425e-d25d-ed8769610ae3/03-landscape.png/2868x1320.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/37/12/32/3712328b-8f97-f819-f944-6479a0a29d3a/02-help.png/1320x2868.png)




## ShaftCPM Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Paid | United States | Sports | #104 |
| Top Paid | Japan | Sports | #190 |


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- [Onform: Video Analysis App](https://apptail.io/app/onform-video-analysis-app-RLt/united-kingdom)
- [Swing Profile Golf Analyzer](https://apptail.io/app/swing-profile-golf-analyzer-HOR/united-kingdom)
- [USGA](https://apptail.io/app/usga-GZcb/united-kingdom)
- [ゴルフ5 - 日本最大級のGOLF用品専門ショップ](https://apptail.io/app/5-golf-tnGb/united-kingdom)
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## ShaftCPM Available In
- [United Kingdom](https://apptail.io/app/shaftcpm-XNBA/united-kingdom)
- [Japan](https://apptail.io/app/shaftcpm-XNBA/japan)
- [Taiwan](https://apptail.io/app/shaftcpm-XNBA/taiwan)
- [United States](https://apptail.io/app/shaftcpm-XNBA/united-states)

---

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