Comparison

ServiceCalc vs Edge EZ

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Automated labor calculation
  • Parts/materials totaling
  • Configurable tax rates
  • Built-in timer
  • Flashlight function
  • Customizable skins
Features
Read full description

***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

About

Edge EZ

This application allows users to control their inline module directly from their smartphone. Adjust power levels and throttle boost settings to customize your driving experience. Upgrade your vehicle and unlock its full engine potential.

Highlights
  • Control inline module
  • Adjust power levels
  • Modify throttle boost
  • Customize driving experience
  • Unlock engine potential
Features
Read full description

Use the Edge EZ app to control your inline module on the fly! Using the smartphone app in conjunction with the Edge EZ plug and play module, change between five power levels and throttle boost settings giving you control over your driving experience. Upgrade your truck with Edge EZ and unleash the full potential of your engine. Product features may vary by vehicle application, please visit the product page on our website for full product details.

Screenshots

ServiceCalc4 screens
Edge EZ4 screens

Verdict

The call

The clearest difference is review sentiment: ServiceCalc at 91% against Edge EZ's 0%. ServiceCalc also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (12.0 vs 15.0). Edge EZ's advantage is price (Free vs $0.99) and rating (4.8 vs 4.0). 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

CostPrice · In-app purchases · Ads · Monetization

Edge EZ is free to download; ServiceCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Edge EZ holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews complicate that: 91% of ServiceCalc's written reviews are positive against 0% of Edge EZ's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

ServiceCalc ships an update every 2 months, Edge EZ every 4 months. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

Scorecard6 real differences · 4 level
ServiceCalc versus Edge EZ: the parameters behind the verdict, then further details
ParameterServiceCalcEdge EZ
Price$0.99Free — better
Rating4.0 (4 ratings)4.8 (4 ratings) — better
Positive reviews90.9% of reviews — better0.0% of reviews
Number of ratings44
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size1 MB128 MB
Age rating4+4+
DeveloperFarren DomeniciHolley Performance Products

Customer experience

ServiceCalc

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews11 reviews
Positive90.9%
Neutral9.1%
Negative0.0%

Edge EZ

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

ServiceCalc

No in-app purchases

None

Edge EZ

No in-app purchases

Questions

Is ServiceCalc free?
ServiceCalc costs $0.99, with no in-app purchases.
Is Edge EZ free?
Edge EZ is free to download, with no in-app purchases.
Which has better reviews, ServiceCalc or Edge EZ?
Edge EZ is rated higher. ServiceCalc averages 4.0 out of 5 from 4 ratings, while Edge EZ averages 4.8 from 4 ratings.
Do ServiceCalc or Edge EZ have ads?
Neither ServiceCalc nor Edge EZ shows ads.
Which is updated more often, ServiceCalc or Edge EZ?
ServiceCalc ships an update every 2 months, and Edge EZ every 4 months. Most recently, ServiceCalc was updated on October 10, 2026 and Edge EZ on October 5, 2026.

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