Lock Master vs Receipt Tracker US
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
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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.
Receipt Tracker US
Capture images of receipts, bills, or letters to save and analyze. The app makes your documents searchable by text, allowing you to find them easily anytime, anywhere.
- Receipt capture via photo
- Document analysis
- Text search functionality
- Organize bills and letters
- Anytime, anywhere access
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Take a shot of your receipt, bill, or any written letter anytime and anywhere. App saves and analyzes the image to make it accessible via text search.
Screenshots
Verdict
The clearest difference is price: Receipt Tracker US at Free against Lock Master's $0.99. Receipt Tracker US also leads on update cadence (every 4 months vs every 27 months) and review sentiment (67% vs 50%). On rating, ratings volume, ads and in-app purchases 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
Receipt Tracker US 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 3.7 for Receipt Tracker US. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews are what separate them: 50% of Lock Master's written reviews are positive against 67% of Receipt Tracker US's.
Lock Master ships an update every 27 months, Receipt Tracker US every 4 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.
| Parameter | Lock Master | Receipt Tracker US |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.8 (6 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 50.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 6 — better | 3 |
| Update frequency | Every 27 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Requires iOS | 18.5 | 12.1 — better |
| Further details — not scored | ||
| Size | 17 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Patrick Q. Kelly | Cobrans |
Customer experience
Lock Master
Receipt Tracker US
In-app purchases
Lock Master
No in-app purchases
Receipt Tracker US
No in-app purchases
Questions
Is Lock Master free?
Is Receipt Tracker US free?
Which has better reviews, Lock Master or Receipt Tracker US?
Do Lock Master or Receipt Tracker US have ads?
Which is updated more often, Lock Master or Receipt Tracker US?
Other comparisons
