# Construction Calc vs CarCat | Auto Services

The clearest difference is price: CarCat | Auto Services at Free against Construction Calc's $7.99. CarCat | Auto Services also leads on iOS requirement (15.0 vs 26.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

CarCat | Auto Services is free to download; Construction Calc costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Construction Calc ships an update monthly, CarCat | Auto Services every 3 weeks. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Construction Calc | CarCat | Auto Services |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/carcat-auto-services/id6756967222/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 27 MB | 123 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) | [CARCAT, MMC](https://appshunter.io/developer/6795884766) |

## What reviewers say

### Construction Calc

[App page](https://appshunter.io/ios/app/construction-calc/id1551464972)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CarCat | Auto Services

[App page](https://appshunter.io/ios/app/carcat-auto-services/id6756967222)

Streamline your car's maintenance with this app. Easily book appointments with mechanics, track service progress, and maintain a complete digital history of all your vehicle's services. Enjoy a clear, organized, and stress-free auto service experience.

**Highlights:** Online service appointment booking, Service progress tracking, Digital service history, Vehicle details management, Service notifications, Photo uploads for identification

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Construction Calc free?

Construction Calc costs $7.99, with no in-app purchases.

### Is CarCat | Auto Services free?

CarCat | Auto Services is free to download, with no in-app purchases.

### Do Construction Calc or CarCat | Auto Services have ads?

Neither Construction Calc nor CarCat | Auto Services shows ads.

### Which is updated more often, Construction Calc or CarCat | Auto Services?

Construction Calc ships an update monthly, and CarCat | Auto Services every 3 weeks. Most recently, Construction Calc was updated on September 21, 2026 and CarCat | Auto Services on September 9, 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.*