Lock Master vs Aparecium
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lock Master
Securely store and manage all your lock combinations in one place. Never forget a code for your bicycle, gym, or storage unit locks again.
- Store lock combinations
- Manage bicycle lock codes
- Track gym lock codes
- Organize storage unit codes
- Simple interface
Read full descriptionHide full description
Lock Master keeps track of your lock combinations. Bicycle locks, gym locks, storage unit locks, all those combinations can get confusing. Store them all here.
Aparecium
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.
- Smart receipt scanning
- Automatic data extraction
- Direct sync with Google Sheets
- Privacy-focused data handling
Read full descriptionHide full description
Aparecium makes expense tracking effortless. Just snap a photo of a receipt, and Aparecium automatically extracts the details and appends them to your chosen Google Sheets document. Perfect for freelancers, small business owners, or anyone who wants a simple, automated way to log purchases. Features: - Smart receipt scanning (invoice and receipt OCR) - Automatic data extraction - Direct sync with Google Sheets - Privacy-focused: your data stays yours Reveal the numbers behind your spending - instantly.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Lock Master | Aparecium |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.8 (6 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 27 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 18.5 | 15.1 — better |
| Further details — not scored | ||
| Size | 17 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Patrick Q. Kelly | Danylo Ostapenko |
Customer experience
Lock Master
Aparecium
In-app purchases
Lock Master
No in-app purchases
Aparecium
No in-app purchases
