# JARTON Lock vs Decibell

The clearest difference is in-app purchases: JARTON Lock at none against Decibell's 4. JARTON Lock also leads on iOS requirement (9.0 vs 17.0). Decibell's advantage is update cadence (every 3 days vs every 12 months). On price, ads and device support there is nothing between them.

Both are free to download. Decibell sells 4 in-app purchases, starting at $14.99 per month. JARTON Lock asks for nothing beyond the download.

JARTON Lock ships an update every 12 months, Decibell every 3 days. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | JARTON Lock | Decibell |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 111 MB | 52 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JARTON Group Company Limited](https://appshunter.io/developer/1359725503) | [ODBS LLC](https://appshunter.io/developer/1816580215) |

## What reviewers say

### JARTON Lock

[App page](https://appshunter.io/ios/app/jarton-lock/id1397724804)

Control your smart lock system using your phone. This app allows you to unlock doors remotely, offering a convenient way to manage access. It's designed for seamless integration with compatible smart lock hardware.

**Highlights:** Remote door unlocking, Smart lock system integration, Phone-based access control, Convenient door management

**Features:** macOS Compatibility

**In-app purchases:** none


### Decibell

[App page](https://appshunter.io/ios/app/decibell-second-phone-number/id6747923627)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibell Pro | $14.99 | per month |
| Decibell Pro | $19.99 | per month |
| Decibell Pro (Yearly) | $119.99 | per year |
| Decibell Pro (Yearly) | $179.99 | per year |


## Frequently asked questions

### Is JARTON Lock free?

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

### Is Decibell free?

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

### Do JARTON Lock or Decibell have ads?

Neither JARTON Lock nor Decibell shows ads.

### Which is updated more often, JARTON Lock or Decibell?

JARTON Lock ships an update every 12 months, and Decibell every 3 days. Most recently, JARTON Lock was updated on November 2, 2026 and Decibell on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*