# Colorado Guide vs Nautilus Dive App

The clearest difference is update cadence: Nautilus Dive App at every 4 weeks against Colorado Guide's every 10 months. Colorado Guide's advantage is iOS requirement (11.0 vs 15.1). 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.

Colorado Guide ships an update every 10 months, Nautilus Dive App every 4 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Colorado Guide | Nautilus Dive App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (8 ratings)](https://appshunter.io/ios/app/colorado-guide/id428058015/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 133 MB | 132 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Miles Partnership, LLLP](https://appshunter.io/developer/337121656) | [THEO DEPRELLE](https://appshunter.io/developer/1884172881) |

## What reviewers say

### Colorado Guide

[App page](https://appshunter.io/ios/app/colorado-guide/id428058015)

Plan your Colorado vacation with insider tips, fast facts, and beautiful photos. This official guide provides comprehensive travel information for all visitors.

**Highlights:** Insider information, Fast facts, Stunning photos, Comprehensive vacation details, Official state guide

**Features:** macOS Compatibility

**In-app purchases:** none


### Nautilus Dive App

[App page](https://appshunter.io/ios/app/nautilus-dive-app/id6760372361)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Colorado Guide free?

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

### Is Nautilus Dive App free?

Nautilus Dive App is free to download, with no in-app purchases.

### Do Colorado Guide or Nautilus Dive App have ads?

Neither Colorado Guide nor Nautilus Dive App shows ads.

### Which is updated more often, Colorado Guide or Nautilus Dive App?

Colorado Guide ships an update every 10 months, and Nautilus Dive App every 4 weeks. Most recently, Colorado Guide was updated on November 1, 2026 and Nautilus Dive App on October 31, 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.*