# 頭脳パズル！AVENUM vs 古今東西ジュラシック

The clearest difference is iOS requirement: 頭脳パズル！AVENUM at 11.0 against 古今東西ジュラシック's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 頭脳パズル！AVENUM | 古今東西ジュラシック |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Size | 129 MB | 144 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ZERONE](https://appshunter.io/developer/1708775781) | [FUKUROU](https://appshunter.io/developer/1603805098) |

## What reviewers say

### 頭脳パズル！AVENUM

[App page](https://appshunter.io/ios/app/avenum/id1480842291)

**Features:** macOS Compatibility

**In-app purchases:** none


### 古今東西ジュラシック

[App page](https://appshunter.io/ios/app/id1616607287)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 頭脳パズル！AVENUM free?

頭脳パズル！AVENUM is free to download, with no in-app purchases.

### Is 古今東西ジュラシック free?

古今東西ジュラシック is free to download, with no in-app purchases.

### Do 頭脳パズル！AVENUM or 古今東西ジュラシック have ads?

Both 頭脳パズル！AVENUM and 古今東西ジュラシック show ads.

### Which is updated more often, 頭脳パズル！AVENUM or 古今東西ジュラシック?

頭脳パズル！AVENUM ships an update every 2 months, and 古今東西ジュラシック every 2 months. Most recently, 頭脳パズル！AVENUM was updated on October 29, 2026 and 古今東西ジュラシック on November 3, 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.*