# Vulcan Augmetics vs KB Volume Lock & Limiter

The clearest difference is in-app purchases: Vulcan Augmetics at none against KB Volume Lock & Limiter's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. KB Volume Lock & Limiter sells 5 in-app purchases, starting at $2.99 per 7 days. Vulcan Augmetics asks for nothing beyond the download.

Vulcan Augmetics ships an update every 2 weeks, KB Volume Lock & Limiter every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Vulcan Augmetics | KB Volume Lock & Limiter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/kb-volume-lock-and-limiter/id6749469745/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 144 MB | 4 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vulcan Augmetics](https://appshunter.io/developer/1713465429) | [Christopher Mayberry](https://appshunter.io/developer/1390482166) |

## What reviewers say

### Vulcan Augmetics

[App page](https://appshunter.io/ios/app/vulcan-augmetics/id6470333903)

**In-app purchases:** none


### KB Volume Lock & Limiter

[App page](https://appshunter.io/ios/app/kb-volume-lock-and-limiter/id6749469745)

This app helps parents set and lock safe volume limits on iOS devices, protecting children's hearing. It offers customizable limits, an auto-off timer, and optional PIN protection for enhanced control.

**Highlights:** Customizable volume limits (10%-100%), Volume lock to prevent overrides, Smart auto-off timer, PIN protection for settings, Family sharing for multiple devices, Easy one-tap activation

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KB Volume Lock Weekly | $2.99 | per 7 days |
| KB Volume Lock Monthly | $3.99 | per month |
| KB Volume Lock 6 Month | $29.99 | per 6 months |
| KB Volume Lock Yearly | $39.99 | per year |
| KB Volume Lock Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is Vulcan Augmetics free?

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

### Is KB Volume Lock & Limiter free?

KB Volume Lock & Limiter is free to download, with in-app purchases available.

### Do Vulcan Augmetics or KB Volume Lock & Limiter have ads?

Neither Vulcan Augmetics nor KB Volume Lock & Limiter shows ads.

### Which is updated more often, Vulcan Augmetics or KB Volume Lock & Limiter?

Vulcan Augmetics ships an update every 2 weeks, and KB Volume Lock & Limiter every 3 weeks. Most recently, Vulcan Augmetics was updated on October 25, 2026 and KB Volume Lock & Limiter on October 24, 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.*