# VeilAir Vault vs Scent Stack

The clearest difference is update cadence: Scent Stack at every 2 days against VeilAir Vault's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. VeilAir Vault sells 1 in-app purchase, starting at $9.99 per month and Scent Stack sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

VeilAir Vault ships an update every 3 weeks, Scent Stack every 2 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | VeilAir Vault | Scent Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 71 MB | 36 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Johari Nyambura](https://appshunter.io/developer/6780994854) | [ECOFLUX LTD](https://appshunter.io/developer/6790036661) |

## What reviewers say

### VeilAir Vault

[App page](https://appshunter.io/ios/app/veilair-vault/id6780994852)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vault Premier | $9.99 | per month |


### Scent Stack

[App page](https://appshunter.io/ios/app/scent-stack/id6799661658)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is VeilAir Vault free?

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

### Is Scent Stack free?

Scent Stack is free to download, with in-app purchases available.

### Do VeilAir Vault or Scent Stack have ads?

Neither VeilAir Vault nor Scent Stack shows ads.

### Which is updated more often, VeilAir Vault or Scent Stack?

VeilAir Vault ships an update every 3 weeks, and Scent Stack every 2 days. Most recently, VeilAir Vault was updated on October 25, 2026 and Scent Stack on October 29, 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.*