# Cat® Spotters Guide vs MacOne

The clearest difference is update cadence: MacOne at every 2 months against Cat® Spotters Guide's every 4 months. 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.

Cat® Spotters Guide ships an update every 4 months, MacOne every 2 months. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Cat® Spotters Guide | MacOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 52 MB | 27 MB |
| Requires iOS | **15.1** | 16.7 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Caterpillar Inc.](https://appshunter.io/developer/571668770) | [MacAllister Machinery](https://appshunter.io/developer/1636368078) |

## What reviewers say

### Cat® Spotters Guide

[App page](https://appshunter.io/ios/app/cat-spotters-guide/id1598449155)

**Features:** Vision Pro support

**In-app purchases:** none


### MacOne

[App page](https://appshunter.io/ios/app/macone/id1636368076)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cat® Spotters Guide free?

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

### Is MacOne free?

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

### Do Cat® Spotters Guide or MacOne have ads?

Neither Cat® Spotters Guide nor MacOne shows ads.

### Which is updated more often, Cat® Spotters Guide or MacOne?

Cat® Spotters Guide ships an update every 4 months, and MacOne every 2 months. Most recently, Cat® Spotters Guide was updated on September 14, 2026 and MacOne on September 10, 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.*