# dB vs LocalLock

The clearest difference is price: dB at Free against LocalLock's $0.99. dB also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (11.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

dB is free to download; LocalLock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

dB ships an update every 3 weeks, LocalLock every 2 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | dB | LocalLock |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/db-tester/id1441925884/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 6 MB | 2 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Jumaoyuan Science and Technology Co., Ltd.](https://appshunter.io/developer/1327619798) | [SEUNGHYUN LEE](https://appshunter.io/developer/1872011705) |

## What reviewers say

### dB

[App page](https://appshunter.io/ios/app/db-tester/id1441925884)

This utility app allows Bluetooth control of a meter for recording, reading, and deleting data. Visualize parameter trends with graphical curves and receive timely alerts for accurate measurements.

**Highlights:** Bluetooth meter control, Record, read, and delete data, Visualize parameter trends with curves, Accurate alarm function, Data analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### LocalLock

[App page](https://appshunter.io/ios/app/locallock-offline-vault/id6760283735)

Securely store passwords, notes, photos, videos, and files on your device. This offline vault offers robust encryption and biometric security, ensuring your data remains private without cloud uploads. A one-time purchase provides lifetime peace of mind.

**Highlights:** All-in-one vault for passwords, notes, media, and files, Password manager with secure generation, Encrypt and hide photos, videos, and files, Face ID/Touch ID and PIN protection, Instant app lock and optional extra authentication, Encrypted local backup and restore

**In-app purchases:** none


## Frequently asked questions

### Is dB free?

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

### Is LocalLock free?

LocalLock costs $0.99, with no in-app purchases.

### Do dB or LocalLock have ads?

Neither dB nor LocalLock shows ads.

### Which is updated more often, dB or LocalLock?

dB ships an update every 3 weeks, and LocalLock every 2 months. Most recently, dB was updated on November 2, 2026 and LocalLock on October 31, 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.*