# Lock Master vs Plate Lookup

The clearest difference is price: Plate Lookup at Free against Lock Master's $0.99. Plate Lookup also leads on update cadence (every 10 months vs every 27 months) and ratings volume (44 vs 6). Lock Master's advantage is rating (3.8 vs 3.0) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

Plate Lookup is free to download; Lock Master costs $0.99 up front. Plate Lookup sells 1 one-off in-app purchase. Lock Master asks for nothing beyond the download.

Lock Master holds the better App Store score, 3.8 against 3.0. That said, the two scores are not equally well evidenced: Plate Lookup has 44 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 50% of Lock Master's written reviews are positive against 30% of Plate Lookup's.

Lock Master ships an update every 27 months, Plate Lookup every 10 months. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Lock Master | Plate Lookup |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/lock-master/id348792868/reviews)** | [3.0 (44 ratings)](https://appshunter.io/ios/app/plate-lookup/id1457003809/reviews) |
| Number of ratings | 6 | **44** |
| Positive reviews | **50.0% of reviews** | 29.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 10 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 17 MB | 2 MB |
| Requires iOS | 18.5 | **15.6** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Q. Kelly](https://appshunter.io/developer/310068987) | [Casey Evanoff](https://appshunter.io/developer/319345353) |

## 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


### Plate Lookup

[App page](https://appshunter.io/ios/app/plate-lookup/id1457003809)

Instantly identify vehicles by their license plate. Get details like make, model, year, engine specs, and even a photo. Perfect for car enthusiasts or anyone curious about a vehicle on the road.

**Highlights:** License plate lookup, Vehicle make and model, Year and trim details, Engine specifications, Vehicle photos, Fuel type information

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Version | $0.99 | one-time |


## Frequently asked questions

### Is Lock Master free?

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

### Is Plate Lookup free?

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

### Which has better reviews, Lock Master or Plate Lookup?

Lock Master is rated higher. Lock Master averages 3.8 out of 5 from 6 ratings, while Plate Lookup averages 3.0 from 44 ratings.

### Do Lock Master or Plate Lookup have ads?

Neither Lock Master nor Plate Lookup shows ads.

### Which is updated more often, Lock Master or Plate Lookup?

Lock Master ships an update every 27 months, and Plate Lookup every 10 months. Most recently, Lock Master was updated on October 23, 2026 and Plate Lookup on October 16, 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.*