ServiceCalc vs HamRadar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ServiceCalc
This tool automates invoice calculations for service technicians, reducing errors and time spent. It handles labor, parts, tax, and totals, with features like a built-in timer and flashlight.
- Automated labor calculation
- Parts/materials totaling
- Configurable tax rates
- Built-in timer
- Flashlight function
- Customizable skins
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***FEATURED IN KEYNOTES MAGAZINE*** ServiceCalc cuts time spent and reduces errors when totaling invoices out in the field. This tool automates and displays the Labor, Parts/Materials, Tax, and Total. ServiceCalc is ideal for Locksmiths, Electricians, Plumbers, or any other service technicians that frequently write up invoices. Conventional Method: -Sub total line items on invoice -Add up labor on a standard calculator -Write down labor on invoice -Clear the calculator's screen -Add up parts/materials -Write down on invoice -Multiply tax rate -Write down on invoice -Clear calculator's screen -Add labor, parts, and tax -Write total on invoice ServiceCalc Method: -Sub total line items on invoice -Add up labor and tap Labor button -Add up parts and tap Parts button*** -Write down totals on invoice ***Parts are added per line. The timer is used to create a delay when making a single multiplication. This delay gives you enough time to read its subtotal to then transfer onto the invoice.*** After tapping Parts you can turn your iDevice sideways (landscape) for a larger readout. Quickly add the desired labor by tapping the half hour or full hour buttons. Two tax rates are configurable to allow multiple jurisdictions. The secondary tax rate can also be used as a tip calculator. Built in flashlight function for illuminating your invoice. 3 Skins to choose from: Original, Blue Steel, and Magnum ---------------------------------- Totals truncate to 2 decimal places. Tax is rounded up to the hundredths when the halfway point is a value of 5 or higher. Example: if tax = 2.775, actual tax = 2.78 if tax = 2.77445, actual tax = 2.78 if tax = 2.771, actual tax = 2.77 ---------------------------------- Compatibility: iPhone / iPod touch on iOS 8.0 or later and iPad on iOS 12.0 or later. Found a bug? Something not working? Have a suggestion? Feel free to contact me via email: farren@phoxlocks.com
HamRadar
Instantly find and connect to amateur radio repeaters with a comprehensive database and an aircraft-style radar interface. View detailed information for over 62,000 active repeaters across all U.S. states, with offline access and Apple Watch complications.
- Offline repeater database
- Aircraft-style radar sweep
- Integrated compass
- Configurable scan range
- List view sorted by distance
- Apple Watch complications
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HamRadar makes finding and connecting to amateur radio repeaters a breeze. Instantly see nearby repeaters at a glance—online or offline. The app includes a database of over 62,000 active repeaters across all 50 U.S. states. Every listing provides: Callsign Frequency CTCSS/PL tone Distance & direction from your location HamRadar features an aircraft-style radar sweep animation with integrated compass bezel, configurable scan range up to 25 miles, list view sorted by distance, and Apple Watch complications showing nearby repeater count, frequency, tone, direction, and distance. Perfect for mobile operators, hikers, travelers, and anyone needing fast situational awareness of local repeater activity. Subscription & Free Trial Information HamRadar offers an optional HamRadar Annual Subscription, which unlocks full access after the trial period. Title: HamRadar Annual Subscription Length: 1 year (auto-renewing) Price: $9.99 per year Free Trial: Try all features at no cost during the trial period. After the trial ends, your subscription will automatically begin unless canceled at least 24 hours before the trial expires. Payment will be charged to your Apple ID account at confirmation of purchase (or after the trial ends if applicable). Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Manage or cancel your subscription anytime in your App Store account settings. Privacy & Terms By using HamRadar, you agree to our policies: Privacy Policy: https://www.gridbase.net/pages/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: HamRadar at Free against ServiceCalc's $0.99. HamRadar also leads on update cadence (daily vs every 2 months). ServiceCalc's advantage is in-app purchases (none vs 1) and review sentiment (91% vs 67%). On rating, ratings volume, ads 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
HamRadar is free to download; ServiceCalc costs $0.99 up front. HamRadar sells 1 in-app purchase, starting at $9.99 per year. ServiceCalc asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.0 for ServiceCalc against 4.0 for HamRadar. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews are what separate them: 91% of ServiceCalc's written reviews are positive against 67% of HamRadar's.
ServiceCalc ships an update every 2 months, HamRadar daily. The most recent releases landed on September 24, 2026 and October 10, 2026 respectively.
| Parameter | ServiceCalc | HamRadar |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.0 (4 ratings) | 4.0 (5 ratings) |
| Positive reviews | 90.9% of reviews — better | 66.7% of reviews |
| Number of ratings | 4 | 5 — better |
| Update frequency | Every 2 months | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch — better |
| Requires iOS | 12.0 — better | 16.2 |
| Further details — not scored | ||
| Size | 1 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Farren Domenici | Jacob Knight |
Customer experience
ServiceCalc
HamRadar
In-app purchases
ServiceCalc
No in-app purchases
HamRadar
- United States$9.991 Year









