# Parallel Chronology vs 天下図 戦国勢力図タイムライン

The clearest difference is ads: Parallel Chronology at none against 天下図 戦国勢力図タイムライン's shown. Parallel Chronology also leads on iOS requirement (13.0 vs 15.0). 天下図 戦国勢力図タイムライン's advantage is update cadence (weekly vs every 5 months). On price, 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, 天下図 戦国勢力図タイムライン weekly. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Parallel Chronology | 天下図 戦国勢力図タイムライン |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free | — |
| Size | 14 MB | 25 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Neusara LLC](https://appshunter.io/developer/1462606266) | [syoutarou ookura](https://appshunter.io/developer/1614144503) |

## 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


### 天下図 戦国勢力図タイムライン

[App page](https://appshunter.io/ios/app/id6791596534)

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

**In-app purchases:** none


## Frequently asked questions

### Is Parallel Chronology free?

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

### Is 天下図 戦国勢力図タイムライン free?

天下図 戦国勢力図タイムライン is free to download, with no in-app purchases.

### Do Parallel Chronology or 天下図 戦国勢力図タイムライン have ads?

天下図 戦国勢力図タイムライン shows ads; Parallel Chronology does not.

### Which is updated more often, Parallel Chronology or 天下図 戦国勢力図タイムライン?

Parallel Chronology ships an update every 5 months, and 天下図 戦国勢力図タイムライン weekly. Most recently, Parallel Chronology was updated on October 7, 2026 and 天下図 戦国勢力図タイムライン on October 25, 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.*