MettleCVE vs bcRPN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MettleCVE
Quickly search for Common Vulnerabilities and Exposures (CVE) by ID. Access detailed descriptions, severity information, and direct links to patch references and vendor advisories to aid in cybersecurity remediation.
- CVE ID lookup
- Automatic CVE prefix and dash entry
- Description and severity details
- Patch references and vendor advisories
- Vulnerability Carousel for past flaws
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- Lookup a CVE (Common Vulnerability and Exposure) by its ID (eg, CVE-yyyy-####). - Enter a CVE ID with a number pad. A context sensitive input field automatically enters the required "CVE" prefix and dashes as you type. - View description and severity information. - Quickly access patch references and vendor advisories to support remediation efforts. - Learn about prior cybersecurity flaws with the Vulnerability Carousel. Tap the refresh button to show different CVE descriptions. Tap on a CVE ID in the Carousel to copy it to the CVE lookup field.
bcRPN
This utility app functions as a Reverse Polish Notation calculator. It handles complex numbers and utilizes extended precision for all calculations, offering an unlimited stack depth and an undo feature for up to 10 operations.
- Reverse Polish Notation (RPN) input
- Complex number calculations
- Extended precision math
- Unlimited stack depth
- Undo functionality (up to 10 operations)
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This is a RPN (Reverse Polish Notation) Calculator. It supports complex numbers and uses extended precision math for all operations. The stack depth is unlimited. In case a mistake was made, up to 10 operations can be undone. RPN calculators work by entering the numbers on the stack first, then selecting the operation. For example to add 3 + 4, press: 3 Enter 4 +
Screenshots
Verdict
The clearest difference is update cadence: MettleCVE at every 2 weeks against bcRPN's every 22 months. MettleCVE also leads on review sentiment (100% vs 80%) and rating (5.0 vs 4.8). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MettleCVE holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 8 respectively. Written reviews point the same way: 100% of MettleCVE's written reviews are positive against 80% of bcRPN's.
MettleCVE ships an update every 2 weeks, bcRPN every 22 months. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.
| Parameter | MettleCVE | bcRPN |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | 4.8 (8 ratings) |
| Positive reviews | 100.0% of reviews — better | 80.0% of reviews |
| Number of ratings | 6 | 8 — better |
| Update frequency | Every 2 weeks — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Salvatore Saieva | Paul Wilkins |
Customer experience
MettleCVE
bcRPN
In-app purchases
MettleCVE
No in-app purchases
bcRPN
No in-app purchases
