# Parallel Chronology vs 音楽サロン くつろぎ Official App

The clearest difference is update cadence: Parallel Chronology at every 5 months against 音楽サロン くつろぎ Official App's every 38 months. 音楽サロン くつろぎ Official App's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Parallel Chronology ships an update every 5 months, 音楽サロン くつろぎ Official App every 38 months. The most recent releases landed on October 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Parallel Chronology | 音楽サロン くつろぎ Official App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/parallel-chronology/id1462606267/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 38 months |
| Monetization | Free | — |
| Size | 14 MB | 38 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Neusara LLC](https://appshunter.io/developer/1462606266) | [HIROKO YOSHIDA](https://appshunter.io/developer/1535154412) |

## What reviewers say

### Parallel Chronology

[App page](https://appshunter.io/ios/app/parallel-chronology/id1462606267)

Explore historical events and fictional timelines side-by-side. Compare information across different categories and time periods, from the dawn of the universe to the present and beyond. Discover new insights by juxtaposing diverse data points on an infinitely scrolling timeline.

**Highlights:** Side-by-side information display, Story units for comparative analysis, Infinite scroll timeline (99.9 billion BC to 99.9 billion AD), Tool for historical discovery, Supports custom fictional data, Links to Wikipedia for details, Universal device support (iPhone/iPad)

**Features:** macOS Compatibility

**In-app purchases:** none


### 音楽サロン くつろぎ Official App

[App page](https://appshunter.io/ios/app/official-app/id1535154410)

**In-app purchases:** none


## Frequently asked questions

### Is Parallel Chronology free?

Parallel Chronology is free to download, with no in-app purchases.

### Is 音楽サロン くつろぎ Official App free?

音楽サロン くつろぎ Official App is free to download, with no in-app purchases.

### Do Parallel Chronology or 音楽サロン くつろぎ Official App have ads?

Neither Parallel Chronology nor 音楽サロン くつろぎ Official App shows ads.

### Which is updated more often, Parallel Chronology or 音楽サロン くつろぎ Official App?

Parallel Chronology ships an update every 5 months, and 音楽サロン くつろぎ Official App every 38 months. Most recently, Parallel Chronology was updated on October 7, 2026 and 音楽サロン くつろぎ Official App on October 27, 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.*