# 眠れない人のゲーム 夢鯨 擬似VR vs Chord Sense Trainer

The clearest difference is in-app purchases: 眠れない人のゲーム 夢鯨 擬似VR at none against Chord Sense Trainer's 5. 眠れない人のゲーム 夢鯨 擬似VR also leads on ads (none vs shown) and iOS requirement (7.0 vs 26.0). Chord Sense Trainer's advantage is update cadence (fortnightly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Chord Sense Trainer sells 5 in-app purchases, starting at $0.49 per month. 眠れない人のゲーム 夢鯨 擬似VR asks for nothing beyond the download.

眠れない人のゲーム 夢鯨 擬似VR ships an update every 2 months, Chord Sense Trainer fortnightly. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 眠れない人のゲーム 夢鯨 擬似VR | Chord Sense Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 68 MB | 30 MB |
| Requires iOS | **7.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [mamoru sasagawa](https://appshunter.io/developer/673533603) | [Ruku Kobayashi](https://appshunter.io/developer/1707735136) |

## What reviewers say

### 眠れない人のゲーム 夢鯨 擬似VR

[App page](https://appshunter.io/ios/app/vr/id1327747967)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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) | $0.49 | per month |
| Gift sweets | $0.49 | one-time |
| Premium Plan (Lifetime) | $1.99 | one-time |
| Gift coffee | $2.99 | one-time |
| Gift for dinner | $5.99 | one-time |


## Frequently asked questions

### Is 眠れない人のゲーム 夢鯨 擬似VR free?

眠れない人のゲーム 夢鯨 擬似VR is free to download, with no in-app purchases.

### Is Chord Sense Trainer free?

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

### Do 眠れない人のゲーム 夢鯨 擬似VR or Chord Sense Trainer have ads?

Chord Sense Trainer shows ads; 眠れない人のゲーム 夢鯨 擬似VR does not.

### Which is updated more often, 眠れない人のゲーム 夢鯨 擬似VR or Chord Sense Trainer?

眠れない人のゲーム 夢鯨 擬似VR ships an update every 2 months, and Chord Sense Trainer fortnightly. Most recently, 眠れない人のゲーム 夢鯨 擬似VR was updated on October 13, 2026 and Chord Sense Trainer on October 24, 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.*