# Epoch vs Hirake

The clearest difference is in-app purchases: Hirake at none against Epoch's 1. Hirake also leads on update cadence (every 3 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Epoch sells 1 one-off in-app purchase. Hirake asks for nothing beyond the download.

Epoch ships an update every 5 weeks, Hirake every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Epoch | Hirake |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/epoch-history-notes/id6470111481/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 7 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shu Kyogoku](https://appshunter.io/developer/1703508274) | [Keisuke Yamashita](https://appshunter.io/developer/1533213506) |

## What reviewers say

### Epoch

[App page](https://appshunter.io/ios/app/epoch-history-notes/id6470111481)

Create interactive timelines to visualize historical events and understand their flow. This app allows for detailed event mapping, filtering, and includes auto-generated practice questions to measure learning outcomes. Users can also share their timelines with others.

**Highlights:** Create interactive timelines, Map events from 100 billion BCE to 9999 CE, Filter events by flags, tags, and time period, Navigate events with horizontal swipes, Toggle year display and flags, Auto-generated practice questions, Share timelines with friends

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro version | $7.99 | one-time |


### Hirake

[App page](https://appshunter.io/ios/app/hirake/id6774634527)

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

**In-app purchases:** none


## Frequently asked questions

### Is Epoch free?

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

### Is Hirake free?

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

### Do Epoch or Hirake have ads?

Neither Epoch nor Hirake shows ads.

### Which is updated more often, Epoch or Hirake?

Epoch ships an update every 5 weeks, and Hirake every 3 days. Most recently, Epoch was updated on October 24, 2026 and Hirake 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.*