# Lock Master vs Aparecium

The clearest difference is price: Aparecium at Free against Lock Master's $0.99. Aparecium also leads on rating (5.0 vs 3.8) and update cadence (every 2 weeks vs every 27 months). Lock Master's advantage is ratings volume (6 vs 1). On ads, in-app purchases and device support there is nothing between them.

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

Aparecium 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, Aparecium every 2 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Lock Master | Aparecium |
| --- | --- | --- |
| 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/aparecium-receipt-to-sheets/id6753728173/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 17 MB | 44 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Q. Kelly](https://appshunter.io/developer/310068987) | [Danylo Ostapenko](https://appshunter.io/developer/1814417945) |

## 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


### Aparecium

[App page](https://appshunter.io/ios/app/aparecium-receipt-to-sheets/id6753728173)

Effortlessly track expenses by snapping photos of receipts. This app automatically extracts details and adds them to your Google Sheets, simplifying purchase logging for freelancers and small businesses.

**Highlights:** Smart receipt scanning, Automatic data extraction, Direct sync with Google Sheets, Privacy-focused data handling

**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 Aparecium free?

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

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

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

### Do Lock Master or Aparecium have ads?

Neither Lock Master nor Aparecium shows ads.

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

Lock Master ships an update every 27 months, and Aparecium every 2 weeks. Most recently, Lock Master was updated on November 1, 2026 and Aparecium on November 5, 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.*