# Wow Flutter vs CoilSense

The clearest difference is review sentiment: CoilSense at 100% against Wow Flutter's 0%. CoilSense also leads on update cadence (every 4 months vs every 22 months) and price ($9.99 vs $14.99). Wow Flutter's advantage is in-app purchases (none vs 1) and iOS requirement (12.1 vs 17.2). On ads, monetization model and device support there is nothing between them.

Wow Flutter costs $14.99 and CoilSense $9.99 up front. CoilSense sells 1 one-off in-app purchase. Wow Flutter asks for nothing beyond the download.

Wow Flutter ships an update every 22 months, CoilSense every 4 months. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Wow Flutter | CoilSense |
| --- | --- | --- |
| Price | $14.99 | **$9.99** |
| Rating | **[4.8 (13 ratings)](https://appshunter.io/ios/app/wow-flutter-rpm-testing/id1501773065/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 9 MB | 24 MB |
| Requires iOS | **12.1** | 17.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Philip Broder](https://appshunter.io/developer/921385513) | [Infinity Guitar Works](https://appshunter.io/developer/1882712350) |

## What reviewers say

### Wow Flutter

[App page](https://appshunter.io/ios/app/wow-flutter-rpm-testing/id1501773065)

Analyze your turntable's speed accuracy with detailed graphical displays of wow and flutter. Identify and troubleshoot issues affecting your vinyl listening experience. Optimize your setup for the best possible sound.

**Highlights:** Detailed turntable wow & flutter display, Graphical view of speed variation per revolution, Average RPM display, Final wow & flutter measurement, Identify periodic and random speed variations, Helps troubleshoot platter, belt, and motor issues

**Features:** Vision Pro support

**In-app purchases:** none


### CoilSense

[App page](https://appshunter.io/ios/app/coilsense-wiring-code-guide/id6760764090)

This app provides a comprehensive reference for guitar pickup wiring, featuring a vast database of manufacturers and detailed specifications. It offers advanced wiring logic, including side-by-side comparison of different components and configurations, designed for guitar technicians and DIY builders.

**Highlights:** Extensive database of 80+ manufacturers, Detailed wiring codes, coil polarity, and wind direction, Support for various pickup types, Pro-grade wiring logic with component adaptation, Side-by-side comparison mode, Real-time translation and linked settings, iPad optimized interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Wow Flutter free?

Wow Flutter costs $14.99, with no in-app purchases.

### Is CoilSense free?

CoilSense costs $9.99, and also offers in-app purchases.

### Do Wow Flutter or CoilSense have ads?

Neither Wow Flutter nor CoilSense shows ads.

### Which is updated more often, Wow Flutter or CoilSense?

Wow Flutter ships an update every 22 months, and CoilSense every 4 months. Most recently, Wow Flutter was updated on November 3, 2026 and CoilSense on November 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*