# Calculator+ Secure Vault vs SkeltonCrew

The clearest difference is in-app purchases: SkeltonCrew at none against Calculator+ Secure Vault's 4. SkeltonCrew also leads on ads (none vs shown). Calculator+ Secure Vault's advantage is update cadence (fortnightly vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator+ Secure Vault sells 4 in-app purchases, starting at $5.99 per 3 months. SkeltonCrew asks for nothing beyond the download.

Calculator+ Secure Vault ships an update fortnightly, SkeltonCrew every 5 weeks. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Calculator+ Secure Vault | SkeltonCrew |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (107 ratings)](https://appshunter.io/ios/app/calculator-plus-secure-vault/id6744875928/reviews)** | — |
| Number of ratings | **107** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 72 MB | 14 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ahmet Selman Durak](https://appshunter.io/developer/868110029) | [Noah Arterburn](https://appshunter.io/developer/1870366431) |

## What reviewers say

### Calculator+ Secure Vault

[App page](https://appshunter.io/ios/app/calculator-plus-secure-vault/id6744875928)

Securely store and protect your private photos, videos, notes, and credit card information. This encrypted vault offers features like a screenshot blocker and emergency exit for ultimate privacy and peace of mind.

**Highlights:** Photo & Video Vault, Notes & Credit Cards Storage, Cloud Backup (iCloud/Google Drive), Screenshot Blocker, Emergency Exit, Dynamic Security Screen

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator + 3 Monthly Premium | $5.99 | per 3 months |
| Calculator+ 6 Monthly Premium | $9.99 | per 6 months |
| Calculator+ Annual Premium | $17.99 | per year |
| Calculator+ Lifetime Premium | $39.99 | one-time |


### SkeltonCrew

[App page](https://appshunter.io/ios/app/skeltoncrew/id6758022717)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator+ Secure Vault free?

Calculator+ Secure Vault is free to download, with in-app purchases available.

### Is SkeltonCrew free?

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

### Do Calculator+ Secure Vault or SkeltonCrew have ads?

Calculator+ Secure Vault shows ads; SkeltonCrew does not.

### Which is updated more often, Calculator+ Secure Vault or SkeltonCrew?

Calculator+ Secure Vault ships an update fortnightly, and SkeltonCrew every 5 weeks. Most recently, Calculator+ Secure Vault was updated on October 23, 2026 and SkeltonCrew on October 7, 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.*