# ServiceCalc vs Zulu Time

The clearest difference is price: Zulu Time at Free against ServiceCalc's $0.99. Zulu Time also leads on update cadence (every 4 days vs every 2 months). ServiceCalc's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

Zulu Time is free to download; ServiceCalc costs $0.99 up front. Zulu Time sells 1 in-app purchase, starting at $1.99 per month. ServiceCalc asks for nothing beyond the download.

ServiceCalc ships an update every 2 months, Zulu Time every 4 days. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ServiceCalc | Zulu Time |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/servicecalc/id583666473/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 1 MB | 15 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Farren Domenici](https://appshunter.io/developer/583666476) | [Yigit Can Akinci](https://appshunter.io/developer/1455217918) |

## 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


### Zulu Time

[App page](https://appshunter.io/ios/app/zulu-time-pilot-utc-clock/id6806399579)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zulu Time Pro | $1.99 | per month |


## Frequently asked questions

### Is ServiceCalc free?

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

### Is Zulu Time free?

Zulu Time is free to download, with in-app purchases available.

### Do ServiceCalc or Zulu Time have ads?

Neither ServiceCalc nor Zulu Time shows ads.

### Which is updated more often, ServiceCalc or Zulu Time?

ServiceCalc ships an update every 2 months, and Zulu Time every 4 days. Most recently, ServiceCalc was updated on October 10, 2026 and Zulu Time on October 24, 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.*