# メモモモモ vs Second Brain Vault

The clearest difference is in-app purchases: メモモモモ at none against Second Brain Vault's 1. メモモモモ also leads on iOS requirement (14.2 vs 26.0). Second Brain Vault's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Second Brain Vault sells 1 one-off in-app purchase. メモモモモ asks for nothing beyond the download.

## The numbers

| Metric | メモモモモ | Second Brain Vault |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 92.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 18 MB | 2 MB |
| Requires iOS | **14.2** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Sato](https://appshunter.io/developer/1514602166) | [Byoungho Kim](https://appshunter.io/developer/1888452963) |

## What reviewers say

### メモモモモ

[App page](https://appshunter.io/ios/app/id1577051088)

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

**In-app purchases:** none


### Second Brain Vault

[App page](https://appshunter.io/ios/app/second-brain-vault/id6782200821)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Second Brain Vault (Lifetime) | $17.99 | one-time |


## Frequently asked questions

### Is メモモモモ free?

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

### Is Second Brain Vault free?

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

### Do メモモモモ or Second Brain Vault have ads?

メモモモモ shows ads; Second Brain Vault does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*