# 歴史偉人AIと話せる！ vs 存在しない記憶.zip

The clearest difference is update cadence: 歴史偉人AIと話せる！ at every 3 weeks against 存在しない記憶.zip's every 2 months. 存在しない記憶.zip's advantage is iOS requirement (15.1 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 歴史偉人AIと話せる！ sells 10 one-off in-app purchases and 存在しない記憶.zip sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

歴史偉人AIと話せる！ ships an update every 3 weeks, 存在しない記憶.zip every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | 歴史偉人AIと話せる！ | 存在しない記憶.zip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 28 MB | 131 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ayumu Izumi](https://appshunter.io/developer/1822273057) | [Hikaru Sawada](https://appshunter.io/developer/1584988593) |

## What reviewers say

### 歴史偉人AIと話せる！

[App page](https://appshunter.io/ios/app/ai/id6755728123)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コイン×1000 | $0.99 | one-time |
| 初心者応援パック | $0.99 | one-time |
| ダイヤ×500 | $1.99 | one-time |
| 好感度ストック×100 | $1.99 | one-time |
| 好感度ストック×50 | $1.99 | one-time |
| コイン×3000 | $2.99 | one-time |
| ダイヤ×1000 | $2.99 | one-time |
| コイン×10000 | $5.99 | one-time |
| 好感度ストック×500 | $9.99 | one-time |
| ダイヤ×5000 | $9.99 | one-time |


### 存在しない記憶.zip

[App page](https://appshunter.io/ios/app/zip-ai/id6757909429)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200coins | $1.99 | one-time |
| 500coins | $4.99 | one-time |
| 1000coins | $7.99 | one-time |
| 3000coins | $19.99 | one-time |


## Frequently asked questions

### Is 歴史偉人AIと話せる！ free?

歴史偉人AIと話せる！ is free to download, with in-app purchases available.

### Is 存在しない記憶.zip free?

存在しない記憶.zip is free to download, with in-app purchases available.

### Do 歴史偉人AIと話せる！ or 存在しない記憶.zip have ads?

Both 歴史偉人AIと話せる！ and 存在しない記憶.zip show ads.

### Which is updated more often, 歴史偉人AIと話せる！ or 存在しない記憶.zip?

歴史偉人AIと話せる！ ships an update every 3 weeks, and 存在しない記憶.zip every 2 months. Most recently, 歴史偉人AIと話せる！ was updated on October 24, 2026 and 存在しない記憶.zip 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.*