# Caterpillar® Visitor vs Tor Equip Diagnostics

The clearest difference is device support: Caterpillar® Visitor at 3 against Tor Equip Diagnostics's 1. Caterpillar® Visitor also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Caterpillar® Visitor ships an update every 2 months, Tor Equip Diagnostics every 3 months. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Caterpillar® Visitor | Tor Equip Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 52 MB | 23 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Caterpillar Inc.](https://appshunter.io/developer/571668770) | [Tor.ai Limited](https://appshunter.io/developer/1288507527) |

## What reviewers say

### Caterpillar® Visitor

[App page](https://appshunter.io/ios/app/caterpillar-visitor/id1515584012)

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

**In-app purchases:** none


### Tor Equip Diagnostics

[App page](https://appshunter.io/ios/app/tor-equip-diagnostics/id6779559214)

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

**In-app purchases:** none


## Frequently asked questions

### Is Caterpillar® Visitor free?

Caterpillar® Visitor is free to download, with no in-app purchases.

### Is Tor Equip Diagnostics free?

Tor Equip Diagnostics is free to download, with no in-app purchases.

### Do Caterpillar® Visitor or Tor Equip Diagnostics have ads?

Neither Caterpillar® Visitor nor Tor Equip Diagnostics shows ads.

### Which is updated more often, Caterpillar® Visitor or Tor Equip Diagnostics?

Caterpillar® Visitor ships an update every 2 months, and Tor Equip Diagnostics every 3 months. Most recently, Caterpillar® Visitor was updated on October 25, 2026 and Tor Equip Diagnostics on October 21, 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.*