ServiceCalc vs Triton PLUS™
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
Triton PLUS™
This app is a comprehensive key cutting machine for automotive, commercial, and residential keys. It supports a vast range of key types, including high security and dimple cuts, with advanced search functions by vehicle model or keyway.
- Cuts 99% of car and motorcycle keys
- Supports single, double-sided, high security, tibbe, and tubular keys
- Custom search by vehicle model, keyway, or IC card
- Database for commercial and residential keys
- Generates dimple cut keys
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The Triton PLUS™ key machine is an all-in-one key cutting machine with the ability to cut 99% of all commercially available car and motorcycle keys, including single and double-sided, high security, tibbe (6 and 8-cut), and tubular. Custom search functions include the ability to search by vehicle model, keyway, or IC card number. In addition to its superior automotive capabilities, the Triton PLUS™ also contains a comprehensive database of commercial & residential keys including the generation of dimple cut keys.
Screenshots
Verdict
The clearest difference is price: Triton PLUS™ at Free against ServiceCalc's $0.99. Triton PLUS™ also leads on rating (5.0 vs 4.0) and review sentiment (100% vs 91%). 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
Triton PLUS™ is free to download; ServiceCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Triton PLUS™ holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 91% of ServiceCalc's written reviews are positive against 100% of Triton PLUS™'s.
ServiceCalc ships an update every 2 months, Triton PLUS™ monthly. The most recent releases landed on September 8, 2026 and August 5, 2026 respectively.
| Parameter | ServiceCalc | Triton PLUS™ |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.0 (4 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 90.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 | 5 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 1 MB | 362 MB |
| Age rating | 4+ | 4+ |
| Developer | Farren Domenici | Lock Labs, Inc. |
Customer experience
ServiceCalc
Triton PLUS™
In-app purchases
ServiceCalc
No in-app purchases
Triton PLUS™
No in-app purchases





