# MDA vs Collection Vault

The clearest difference is price: Collection Vault at Free against MDA's $4.99. MDA's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Collection Vault is free to download; MDA costs $4.99 up front. Collection Vault sells 1 in-app purchase, starting at $4.99 per month. MDA asks for nothing beyond the download.

MDA ships an update fortnightly, Collection Vault every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MDA | Collection Vault |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 39 MB | 13 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tulio Calazans](https://appshunter.io/developer/1506825273) | [TIMOTHY E TRUEX](https://appshunter.io/developer/1854747333) |

## What reviewers say

### MDA

[App page](https://appshunter.io/ios/app/mda-my-diary-pro/id6458223921)

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

**In-app purchases:** none


### Collection Vault

[App page](https://appshunter.io/ios/app/collection-vault/id6755598015)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Collection Vault Premium | $4.99 | per month |


## Frequently asked questions

### Is MDA free?

MDA costs $4.99, with no in-app purchases.

### Is Collection Vault free?

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

### Do MDA or Collection Vault have ads?

Collection Vault shows ads; MDA does not.

### Which is updated more often, MDA or Collection Vault?

MDA ships an update fortnightly, and Collection Vault every 2 weeks. Most recently, MDA was updated on November 3, 2026 and Collection Vault on October 30, 2026.

---

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