# ALS Geochemistry vs Cat® Central

The clearest difference is update cadence: Cat® Central at every 3 weeks against ALS Geochemistry's every 4 months. ALS Geochemistry's advantage is iOS requirement (13.4 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ALS Geochemistry ships an update every 4 months, Cat® Central every 3 weeks. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ALS Geochemistry | Cat® Central |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (4.3K ratings)](https://appshunter.io/ios/app/cat-central/id1608965148/reviews)** |
| Number of ratings | — | **4.3K** |
| Positive reviews | — | 43.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 138 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALS Limited](https://appshunter.io/developer/1269305792) | [Caterpillar Inc.](https://appshunter.io/developer/571668770) |

## What reviewers say

### ALS Geochemistry

[App page](https://appshunter.io/ios/app/als-geochemistry/id1269305793)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cat® Central

[App page](https://appshunter.io/ios/app/cat-central/id1608965148)

This app provides a centralized platform for managing heavy equipment. It offers tools for finding parts, accessing manuals, diagnosing issues, and tracking machine health. Users can also connect with dealers and access support resources.

**Highlights:** Personalized tools and service recommendations, Access operating manuals and maintenance schedules, Diagnose fault codes, Real-time machine health insights, Scan QR codes for parts, Order parts and request service, Connect with local dealers

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Intuitive app
- 💡 Ability to order parts
- 👍 Saving equipment models
- 🚀 Fast and simple to use

**What reviewers complain about**

- 🐛 Difficult to change equipment
- 🐛 Parts diagrams hard to follow
- 🐛 Difficult to find parts
- 🐛 Never loads, asks for dealer info
- 🐛 Clunky and unreliable

**Reported bugs**

- App crashes when changing equipment
- Login issues, password expired
- Locks up after gathering personal info

**Requested features**

- Audible operation manuals
- Accommodate old models
- Dark mode option


## Frequently asked questions

### Is ALS Geochemistry free?

ALS Geochemistry is free to download, with no in-app purchases.

### Is Cat® Central free?

Cat® Central is free to download, with no in-app purchases.

### Do ALS Geochemistry or Cat® Central have ads?

Neither ALS Geochemistry nor Cat® Central shows ads.

### Which is updated more often, ALS Geochemistry or Cat® Central?

ALS Geochemistry ships an update every 4 months, and Cat® Central every 3 weeks. Most recently, ALS Geochemistry was updated on October 15, 2026 and Cat® Central on October 25, 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.*