HF Beam Antenna Calculator vs OBD2 Code
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HF Beam Antenna Calculator
Calculate Maidenhead locations and HF beam antenna element sizes in various units. It also offers extensive conversion tools for distance, area, and volume, supporting both imperial and metric systems.
- Maidenhead Locator System
- HF Beam Antenna Calculator (2/3 elements)
- EIRP and Pure ERP calculations
- Area, Distance, and Volume Converters
- Imperial and Metric unit support
- Email calculation sharing
- Offline functionality
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The Maidenhead & HF Beam Antenna is a useful utility to calculate the the Maidenhead LOCATION as well as HF Elements' size in Feet, Inches, and Meters for the Reflector, Driven Element, Director, and Spacing for two and three element beam antennas. Just input the frequency and select the number of elements. Automated Calculator • Maidenhead Locator System Calculators • HF Beam Antenna with 2 or 3 Elements • EIRP • Pure ERP Area Converters • Square Inches and Shorter Conversion • Square Feet & Yards & Meters Conversion Distance Converters • Inches & Centimeters & Millimeters Conversion • Feet & Yards & Meters Conversion • Nautical Miles, Statue Miles and Kilometers Conversion Volume Converters • US/Imperial to Metric Units Conversion • Metric to US/Imperial Units Conversion • Inches & Centimeters Volume Conversion • Feet, Yards, & Meters Volume Conversion This app features: • Send your calculations or conversions by email • Universal App (iPhone, iPod Touch, and iPad) • Latest version of iOS is supported • All iPhone screens are supported • Retina Display graphics • Fast app switching • Automatically Saves Your Inputs No network connectivity required.
OBD2 Code
This app serves as a reference for standard Diagnostic Trouble Codes (DTCs). It helps users understand fault codes generated by a vehicle's onboard computer, aiding in problem diagnosis.
- Diagnostic Trouble Code reference
- Vehicle fault code lookup
- Problem diagnosis aid
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Standard Diagnostic Trouble Codes reference book. A Diagnostic Trouble Code is set in a vehice's onboard computer when a fault occurs in any monitored system. The code number corresponds to the type of fault, and can be used to diagnose the problem.
Screenshots
Verdict
The clearest difference is price: OBD2 Code at Free against HF Beam Antenna Calculator's $0.99. OBD2 Code also leads on iOS requirement (6.0 vs 15.6). HF Beam Antenna Calculator's advantage is rating (4.0 vs 3.3) and update cadence (every 4 months vs every 47 months). On ratings volume, 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
OBD2 Code is free to download; HF Beam Antenna Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
HF Beam Antenna Calculator holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 50% of HF Beam Antenna Calculator's written reviews are positive against 39% of OBD2 Code's.
HF Beam Antenna Calculator ships an update every 4 months, OBD2 Code every 47 months. The most recent releases landed on August 21, 2026 and September 14, 2026 respectively.
| Parameter | HF Beam Antenna Calculator | OBD2 Code |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.0 (3 ratings) — better | 3.3 (3 ratings) |
| Positive reviews | 50.0% of reviews — better | 39.1% of reviews |
| Number of ratings | 3 | 3 |
| Update frequency | Every 4 months — better | Every 47 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 6.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Verosocial Studio | Liang-Hung Publishing |
Customer experience
HF Beam Antenna Calculator
OBD2 Code
In-app purchases
HF Beam Antenna Calculator
No in-app purchases
OBD2 Code
No in-app purchases
Questions
Is HF Beam Antenna Calculator free?
Is OBD2 Code free?
Which has better reviews, HF Beam Antenna Calculator or OBD2 Code?
Do HF Beam Antenna Calculator or OBD2 Code have ads?
Which is updated more often, HF Beam Antenna Calculator or OBD2 Code?
Other comparisons
