# Alculate vs SecretVault

The clearest difference is in-app purchases: SecretVault at none against Alculate's 1. Alculate's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Alculate sells 1 one-off in-app purchase. SecretVault asks for nothing beyond the download.

Alculate ships an update every 4 months, SecretVault every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Alculate | SecretVault |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 2 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Neuzeller Klosterbrennerei AG](https://appshunter.io/developer/1875532323) | [Muller & Wulff GmbH](https://appshunter.io/developer/1466945941) |

## What reviewers say

### Alculate

[App page](https://appshunter.io/ios/app/alculate/id1609977767)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vollversion | $16.99 | one-time |


### SecretVault

[App page](https://appshunter.io/ios/app/secretvault/id6742326596)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alculate free?

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

### Is SecretVault free?

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

### Do Alculate or SecretVault have ads?

Neither Alculate nor SecretVault shows ads.

### Which is updated more often, Alculate or SecretVault?

Alculate ships an update every 4 months, and SecretVault every 2 months. Most recently, Alculate was updated on November 3, 2026 and SecretVault on October 30, 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.*