# ServiceCalc vs JMA America

The clearest difference is review sentiment: ServiceCalc at 91% against JMA America's 0%. ServiceCalc also leads on rating (4.0 vs 1.0) and ratings volume (4 vs 1). JMA America's advantage is price (Free vs $0.99) and update cadence (every 9 days vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

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

ServiceCalc holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 91% of ServiceCalc's written reviews are positive against 0% of JMA America's.

ServiceCalc ships an update every 2 months, JMA America every 9 days. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ServiceCalc | JMA America |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/servicecalc/id583666473/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/jma-america/id1464552449/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **90.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 10 MB |
| Requires iOS | **12.0** | 26.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Farren Domenici](https://appshunter.io/developer/583666476) | [Eduardo Romero](https://appshunter.io/developer/1462060217) |

## What reviewers say

### ServiceCalc

[App page](https://appshunter.io/ios/app/servicecalc/id583666473)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### JMA America

[App page](https://appshunter.io/ios/app/jma-america/id1464552449)

Easily find locksmiths in your area and identify the keys you need. Access a catalog of competitor key codes and download it for offline use. Connect with locksmiths via phone or email.

**Highlights:** Find local locksmiths, Identify key codes, Competitor key reference list, Offline key catalog download, Contact locksmiths by phone/email

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ServiceCalc free?

ServiceCalc costs $0.99, with no in-app purchases.

### Is JMA America free?

JMA America is free to download, with no in-app purchases.

### Which has better reviews, ServiceCalc or JMA America?

ServiceCalc is rated higher. ServiceCalc averages 4.0 out of 5 from 4 ratings, while JMA America averages 1.0 from 1 ratings.

### Do ServiceCalc or JMA America have ads?

Neither ServiceCalc nor JMA America shows ads.

### Which is updated more often, ServiceCalc or JMA America?

ServiceCalc ships an update every 2 months, and JMA America every 9 days. Most recently, ServiceCalc was updated on October 10, 2026 and JMA America on October 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*