# ServiceCalc vs Comp 2.0

The clearest difference is price: Comp 2.0 at Free against ServiceCalc's $0.99. ServiceCalc's advantage is update cadence (every 2 months vs every 11 months) and rating (4.0 vs 3.8). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Comp 2.0 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 3.8. Both are backed by a comparable volume of ratings — 4 and 6 respectively.

ServiceCalc ships an update every 2 months, Comp 2.0 every 11 months. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ServiceCalc | Comp 2.0 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/servicecalc/id583666473/reviews)** | [3.8 (6 ratings)](https://appshunter.io/ios/app/comp-20/id6450721506/reviews) |
| Number of ratings | 4 | **6** |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Paid | **Free** |
| Size | 1 MB | 139 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Farren Domenici](https://appshunter.io/developer/583666476) | [Holley Performance Products](https://appshunter.io/developer/1175069390) |

## 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


### Comp 2.0

[App page](https://appshunter.io/ios/app/comp-20/id6450721506)

Enhance your 1998.5-2002 24V Cummins diesel engine's performance with on-the-fly adjustments. Fine-tune fueling, accelerator pedal response, and timing for significant power gains.

**Highlights:** On-the-fly adjustability via Bluetooth, Fine-tune low boost fueling, Adjust fuel delivery based on pedal position, Optimize timing for power curves, Gains of 40-150 HP and 150-380 TQ, Supports aftermarket injectors and turbos

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ServiceCalc free?

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

### Is Comp 2.0 free?

Comp 2.0 is free to download, with no in-app purchases.

### Which has better reviews, ServiceCalc or Comp 2.0?

ServiceCalc is rated higher. ServiceCalc averages 4.0 out of 5 from 4 ratings, while Comp 2.0 averages 3.8 from 6 ratings.

### Do ServiceCalc or Comp 2.0 have ads?

Neither ServiceCalc nor Comp 2.0 shows ads.

### Which is updated more often, ServiceCalc or Comp 2.0?

ServiceCalc ships an update every 2 months, and Comp 2.0 every 11 months. Most recently, ServiceCalc was updated on October 10, 2026 and Comp 2.0 on October 12, 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.*