Comparison

ServiceCalc vs Alt Time

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

Alt Time

This app provides lock screen widgets for iPhones, displaying both 12-hour and 24-hour time formats simultaneously. It offers five distinct widget styles and automatically adapts to your system's time settings for a seamless experience.

Highlights
  • Dual 12h/24h time display
  • Five lock screen widget styles
  • Automatic system time format detection
  • Real-time updates
  • One-tap setup
  • No data collection or tracking
Features
Currently charting
Read full description

Alt Time puts the times you actually need on your lock screen and home screen. See the opposite of your iPhone's clock format at a glance. If your phone shows 12-hour, the widget shows 24-hour — and the other way round. It follows your system setting automatically, so there is nothing to keep in sync. WHAT YOU GET Dial — a home screen clock face with two rings of numbers: 1–12 outside, 13–24 inside. The hour hand points at both at once, and the centre shows the time both ways, like 5:57 PM and 17:57. Small, medium or large, in ten finishes including parchment and black enamel. Show your own time or any city from your world clock. Travel Mode — your home time and the time where you are, side by side on your lock screen and in the Dynamic Island while you travel, with how far ahead or behind home you are. In 12-hour, 24-hour, or both. Start and stop it from Shortcuts or Siri. Requires iOS 18. AM / PM — the lock screen clock never shows AM or PM. Three widgets do: just AM or PM, the time of day (Morning, Afternoon, Evening or Night), or both together, with no numbers to read. Put one beside the date or below the clock. World clock — a home screen widget in small, medium or large, showing as many cities as you like in eight color finishes, with a sun and moon day-night glance. Looks right in StandBy. Alternate 12h/24h time — always the opposite of your system setting, updated automatically. Second time zone — search about 69,000 cities, not just capitals, and see that city's time labeled with its name. UTC / military time — 24-hour Zulu time for pilots, sailors, and anyone working across zones. Dual-time widget — two times side by side in a single lock screen slot, sized to match. Lock screen and home screen widgets, in circular and rectangular slots, tinted or clean, on iPhone and iPad. Every setting sits in one short menu that leads with your times, live. COMPLETELY OFFLINE The city database is built into the app. Searching it needs no network, so Alt Time works in Airplane Mode, on a plane, or with no signal at all. Nothing is uploaded, because there is nowhere for it to go. NO SUBSCRIPTION One purchase. No subscription, no ads, no account, and no data collected, stored or transmitted — ever. Requires iOS 17 or iPadOS 17 or later. Travel Mode requires iOS 18 or later. See every widget and how it works at mmhadventures.com/alttime

Screenshots

ServiceCalc4 screens
Alt Time4 screens

Verdict

The call

The clearest difference is rating: Alt Time at 5.0 against ServiceCalc's 4.0. Alt Time also leads on chart position (#66 vs unranked) and review sentiment (100% vs 91%). ServiceCalc's advantage is price ($0.99 vs $1.99) and iOS requirement (12.0 vs 17.0). On ratings volume, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

ServiceCalc costs $0.99 and Alt Time $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Alt Time holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 91% of ServiceCalc's written reviews are positive against 100% of Alt Time's.

UpkeepUpdate frequency

ServiceCalc ships an update every 2 months, Alt Time every 3 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 6 level
ServiceCalc versus Alt Time: the parameters behind the verdict, then further details
ParameterServiceCalcAlt Time
Price$0.99 — better$1.99
Rating4.0 (4 ratings)5.0 (4 ratings) — better
Positive reviews90.9% of reviews100.0% of reviews — better
Number of ratings44
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank—#66 — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size1 MB7 MB
Age rating4+4+
DeveloperFarren DomeniciMMH Adventures LLC

Customer experience

ServiceCalc

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

Alt Time

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ServiceCalc

No in-app purchases

None

Alt Time

No in-app purchases

Questions

Is ServiceCalc free?
ServiceCalc costs $0.99, with no in-app purchases.
Is Alt Time free?
Alt Time costs $1.99, with no in-app purchases.
Which has better reviews, ServiceCalc or Alt Time?
Alt Time is rated higher. ServiceCalc averages 4.0 out of 5 from 4 ratings, while Alt Time averages 5.0 from 4 ratings.
Do ServiceCalc or Alt Time have ads?
Neither ServiceCalc nor Alt Time shows ads.
Which is updated more often, ServiceCalc or Alt Time?
ServiceCalc ships an update every 2 months, and Alt Time every 3 weeks. Most recently, ServiceCalc was updated on November 1, 2026 and Alt Time on November 5, 2026.

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