# Chord Sense Trainer vs RainyWave

The clearest difference is review sentiment: Chord Sense Trainer at 100% against RainyWave's 0%. RainyWave's advantage is ads (none vs shown) and monetization model (free vs freemium). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Chord Sense Trainer sells 5 in-app purchases, starting at $0.99 per month and RainyWave sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Chord Sense Trainer ships an update fortnightly, RainyWave every 4 days. Both last shipped on November 4, 2026.

## The numbers

| Metric | Chord Sense Trainer | RainyWave |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Freemium | **Free** |
| Size | 30 MB | 120 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ruku Kobayashi](https://appshunter.io/developer/1707735136) | [Code and DESIGN inc](https://appshunter.io/developer/1172903960) |

## What reviewers say

### Chord Sense Trainer

[App page](https://appshunter.io/ios/app/chord-sense-trainer/id6466735897)

This app helps musicians and aspiring musicians develop their ability to identify chords by ear. It offers quiz-style training that progresses in difficulty, with a custom mode for personalized practice. Train your ear for music transcription and composition anytime, anywhere.

**Highlights:** Quiz-style chord recognition, Progressive difficulty levels, Custom training mode, Theme and dark mode customization, Mobile practice for musicians

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan (Monthly) | $0.99 | per month |
| Gift sweets | $0.49 | one-time |
| Gift coffee | $2.99 | one-time |
| Premium Plan (Lifetime) | $3.99 | one-time |
| Gift for dinner | $5.99 | one-time |


### RainyWave

[App page](https://appshunter.io/ios/app/rainywave/id6499067148)

This music game lets you finger drum to LoFi, Chill Hop, and Chill Wave tracks. Enjoy automated drum sounds or real-time tapping, create your own music, and even import MIDI files. It's a relaxed way to experience music production and performance.

**Highlights:** Finger drumming to LoFi and Chill Hop tracks, Two game modes: automated drums or real-time tapping, MIDI Pad compatibility on iOS, Create original tracks with Charting Mode, Import custom MIDI files from DAWs

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RainyWave Supporters | $2.99 | per month |


## Frequently asked questions

### Is Chord Sense Trainer free?

Chord Sense Trainer is free to download, with in-app purchases available.

### Is RainyWave free?

RainyWave is free to download, with in-app purchases available.

### Do Chord Sense Trainer or RainyWave have ads?

Chord Sense Trainer shows ads; RainyWave does not.

### Which is updated more often, Chord Sense Trainer or RainyWave?

Chord Sense Trainer ships an update fortnightly, and RainyWave every 4 days. Most recently, Chord Sense Trainer was updated on November 4, 2026 and RainyWave on November 4, 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.*