# Epoch vs Brain Infinity

The clearest difference is update cadence: Brain Infinity at every 5 days against Epoch's every 5 weeks. Brain Infinity also leads on iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Epoch sells 1 one-off in-app purchase and Brain Infinity sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

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

## The numbers

| Metric | Epoch | Brain Infinity |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 72 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shu Kyogoku](https://appshunter.io/developer/1703508274) | [YUTA UEDA](https://appshunter.io/developer/1853129120) |

## 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 |


### Brain Infinity

[App page](https://appshunter.io/ios/app/brain-infinity-mind-workout/id6755319401)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Epoch free?

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

### Is Brain Infinity free?

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

### Do Epoch or Brain Infinity have ads?

Neither Epoch nor Brain Infinity shows ads.

### Which is updated more often, Epoch or Brain Infinity?

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