# TypewriterDiary vs Second Brain Vault

The clearest difference is in-app purchases: TypewriterDiary at none against Second Brain Vault's 1. TypewriterDiary also leads on iOS requirement (18.5 vs 26.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | TypewriterDiary | Second Brain Vault |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 2 MB | 2 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [katsumi sano](https://appshunter.io/developer/1847215267) | [Byoungho Kim](https://appshunter.io/developer/1888452963) |

## What reviewers say

### TypewriterDiary

[App page](https://appshunter.io/ios/app/typewriterdiary/id6754228787)

**Features:** macOS Compatibility

**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 TypewriterDiary free?

TypewriterDiary 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 TypewriterDiary or Second Brain Vault have ads?

Neither TypewriterDiary nor Second Brain Vault shows ads.

---

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