# Backup Calendar vs Markdown Vault

The clearest difference is ads: Markdown Vault at none against Backup Calendar's shown. Markdown Vault also leads on update cadence (every 4 days vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Backup Calendar ships an update every 3 months, Markdown Vault every 4 days. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Backup Calendar | Markdown Vault |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 16 MB | 19 MB |
| Requires iOS | 18.6 | **18.2** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Motoki Takahashi](https://appshunter.io/developer/1411233238) | [Peer Assembly](https://appshunter.io/developer/331884363) |

## What reviewers say

### Backup Calendar

[App page](https://appshunter.io/ios/app/backup-calendar/id6754521669)

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

**In-app purchases:** none


### Markdown Vault

[App page](https://appshunter.io/ios/app/markdown-vault/id6757544703)

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

**In-app purchases:** none


## Frequently asked questions

### Is Backup Calendar free?

Backup Calendar is free to download, with no in-app purchases.

### Is Markdown Vault free?

Markdown Vault is free to download, with no in-app purchases.

### Do Backup Calendar or Markdown Vault have ads?

Backup Calendar shows ads; Markdown Vault does not.

### Which is updated more often, Backup Calendar or Markdown Vault?

Backup Calendar ships an update every 3 months, and Markdown Vault every 4 days. Most recently, Backup Calendar was updated on October 20, 2026 and Markdown Vault on October 10, 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.*