# Decide by Message vs 存在しない記憶.zip

The clearest difference is in-app purchases: Decide by Message at none against 存在しない記憶.zip's 4. Decide by Message also leads on update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 存在しない記憶.zip sells 4 one-off in-app purchases. Decide by Message asks for nothing beyond the download.

Decide by Message ships an update every 10 days, 存在しない記憶.zip every 2 months. The most recent releases landed on September 16, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Decide by Message | 存在しない記憶.zip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 2 months |
| Size | 4 MB | 131 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kana Uchida](https://appshunter.io/developer/1819475901) | [Hikaru Sawada](https://appshunter.io/developer/1584988593) |

## What reviewers say

### Decide by Message

[App page](https://appshunter.io/ios/app/decide-by-message/id6747507111)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Decide by Message free?

Decide by Message is free to download, with no in-app purchases.

### 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 Decide by Message or 存在しない記憶.zip have ads?

Both Decide by Message and 存在しない記憶.zip show ads.

### Which is updated more often, Decide by Message or 存在しない記憶.zip?

Decide by Message ships an update every 10 days, and 存在しない記憶.zip every 2 months. Most recently, Decide by Message was updated on September 16, 2026 and 存在しない記憶.zip on September 8, 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.*