# S Calculator vs VaulTools

The clearest difference is price: VaulTools at Free against S Calculator's $2.99. VaulTools also leads on update cadence (every 6 weeks vs every 3 months). S Calculator's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

VaulTools is free to download; S Calculator costs $2.99 up front. VaulTools sells 1 one-off in-app purchase. S Calculator asks for nothing beyond the download.

S Calculator ships an update every 3 months, VaulTools every 6 weeks. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | S Calculator | VaulTools |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 20 MB | 37 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [赟杰 吕](https://appshunter.io/developer/1548405085) | [Eduardo Manrique](https://appshunter.io/developer/1782219487) |

## What reviewers say

### S Calculator

[App page](https://appshunter.io/ios/app/s-calculator-private-vault/id6478574396)

This app functions as a regular calculator but secretly hides your photos, videos, notes, and browsing history behind a passcode. It offers multiple security layers, including a decoy vault and self-destruct option, ensuring your private data remains confidential.

**Highlights:** Disguised as a regular calculator, Secure vault for photos and videos, Private browser with download capabilities, Encrypted notes with Markdown support, Three-level security: real, decoy, and self-destruct, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### VaulTools

[App page](https://appshunter.io/ios/app/vaultools/id6762064762)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


## Frequently asked questions

### Is S Calculator free?

S Calculator costs $2.99, with no in-app purchases.

### Is VaulTools free?

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

### Do S Calculator or VaulTools have ads?

Neither S Calculator nor VaulTools shows ads.

### Which is updated more often, S Calculator or VaulTools?

S Calculator ships an update every 3 months, and VaulTools every 6 weeks. Most recently, S Calculator was updated on October 19, 2026 and VaulTools on October 18, 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.*