# Lock Master vs NoBark

Lock Master and NoBark both sit at 3.8 stars, but that hides the real split: 100% of NoBark's written reviews are positive against 50% of Lock Master's. NoBark also leads on price (Free vs $0.99) and update cadence (every 8 days vs every 27 months). Lock Master's advantage is ads (none vs shown). On rating, ratings volume, in-app purchases and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.8 for Lock Master against 3.8 for NoBark. Both are backed by a comparable volume of ratings — 6 and 17 respectively. Written reviews are what separate them: 50% of Lock Master's written reviews are positive against 100% of NoBark's.

Lock Master ships an update every 27 months, NoBark every 8 days. The most recent releases landed on October 16, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Lock Master | NoBark |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.8 (6 ratings)](https://appshunter.io/ios/app/lock-master/id348792868/reviews) | **[3.8 (17 ratings)](https://appshunter.io/ios/app/nobark-reactive-dog-training/id6748714466/reviews)** |
| Number of ratings | 6 | **17** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 27 months | **Every 8 days** |
| Monetization | Paid | **Free** |
| Size | 17 MB | 18 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Q. Kelly](https://appshunter.io/developer/310068987) | [Colin Murphy](https://appshunter.io/developer/1513223838) |

## What reviewers say

### Lock Master

[App page](https://appshunter.io/ios/app/lock-master/id348792868)

Securely store and manage all your lock combinations in one place. Never forget a code for your bicycle, gym, or storage unit locks again.

**Highlights:** Store lock combinations, Manage bicycle lock codes, Track gym lock codes, Organize storage unit codes, Simple interface

**Features:** Apple Watch app

**In-app purchases:** none


### NoBark

[App page](https://appshunter.io/ios/app/nobark-reactive-dog-training/id6748714466)

This app allows you to remotely play sounds from your phone to train your dog. Simulate real-world scenarios like a doorbell ringing to help your pet learn.

**Highlights:** Remote sound playback, Smartwatch control, Simulate real-world sounds, Customizable sound timing, Controlled training environment

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lock Master free?

Lock Master costs $0.99, with no in-app purchases.

### Is NoBark free?

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

### Which has better reviews, Lock Master or NoBark?

NoBark is rated higher. Lock Master averages 3.8 out of 5 from 6 ratings, while NoBark averages 3.8 from 17 ratings.

### Do Lock Master or NoBark have ads?

NoBark shows ads; Lock Master does not.

### Which is updated more often, Lock Master or NoBark?

Lock Master ships an update every 27 months, and NoBark every 8 days. Most recently, Lock Master was updated on October 16, 2026 and NoBark on October 22, 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.*