# Lock Master vs Scanner

The clearest difference is price: Scanner at Free against Lock Master's $0.99. Scanner also leads on rating (5.0 vs 3.8) and update cadence (fortnightly vs every 27 months). Lock Master's advantage is ads (none vs shown) and ratings volume (6 vs 1). On in-app purchases and device support there is nothing between them.

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

Scanner holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Lock Master has 6 ratings behind it against 1, so its average is the more settled of the two.

Lock Master ships an update every 27 months, Scanner fortnightly. The most recent releases landed on August 31, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Lock Master | Scanner |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.8 (6 ratings)](https://appshunter.io/ios/app/lock-master/id348792868/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scanner-scan-to-pdf/id6474529404/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 27 months | **Fortnightly** |
| Monetization | Paid | **Ad-supported** |
| Size | 17 MB | 12 MB |
| Requires iOS | 18.5 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Q. Kelly](https://appshunter.io/developer/310068987) | [Krushit Sachapara](https://appshunter.io/developer/1695773916) |

## 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


### Scanner

[App page](https://appshunter.io/ios/app/scanner-scan-to-pdf/id6474529404)

Transform your mobile device into a powerful scanner. Automatically recognize text (OCR) and convert documents into digital PDF or JPEG files. Organize, edit, and share your scans with ease.

**Highlights:** Scan documents to PDF or JPEG, Automatic text recognition (OCR), Edit and enhance scans, Organize with custom folders, Cloud storage integration, Electronic signature support

**Features:** macOS Compatibility, 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 Scanner free?

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

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

Scanner is rated higher. Lock Master averages 3.8 out of 5 from 6 ratings, while Scanner averages 5.0 from 1 ratings.

### Do Lock Master or Scanner have ads?

Scanner shows ads; Lock Master does not.

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

Lock Master ships an update every 27 months, and Scanner fortnightly. Most recently, Lock Master was updated on August 31, 2026 and Scanner on September 28, 2026.

---

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