# RT66 Guide vs Route 66 Centennial Guide

The clearest difference is price: RT66 Guide at Free against Route 66 Centennial Guide's $6.99. RT66 Guide also leads on ratings volume (120 vs 22) and iOS requirement (13.0 vs 17.0). Route 66 Centennial Guide's advantage is rating (4.7 vs 4.0) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

RT66 Guide is free to download; Route 66 Centennial Guide costs $6.99 up front. RT66 Guide sells 1 in-app purchase, starting at $9.99 per year. Route 66 Centennial Guide asks for nothing beyond the download.

Route 66 Centennial Guide holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: RT66 Guide has 120 ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 65% of RT66 Guide's written reviews are positive against 100% of Route 66 Centennial Guide's.

RT66 Guide ships an update every 4 weeks, Route 66 Centennial Guide weekly. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | RT66 Guide | Route 66 Centennial Guide |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | [4.0 (120 ratings)](https://appshunter.io/ios/app/rt66-guide/id1609901732/reviews) | **[4.7 (22 ratings)](https://appshunter.io/ios/app/route-66-centennial-guide/id6761061587/reviews)** |
| Number of ratings | **120** | 22 |
| Positive reviews | 65.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#24** |
| Size | 16 MB | 1.7 GB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [McCoyCORE USA LLC](https://appshunter.io/developer/1609901734) | [Poul David Rasmussen](https://appshunter.io/developer/1887575702) |

## What reviewers say

### RT66 Guide

[App page](https://appshunter.io/ios/app/rt66-guide/id1609901732)

This app serves as a comprehensive travel guide for exploring "The Mother Road." It offers detailed information on points of interest, virtual passport stamping, audio tours, and turn-by-turn navigation to enhance your journey.

**Highlights:** Trip planning tools, Thousands of Points-of-Interest details, Virtual Passport, Audio tours, Turn-by-turn navigation, Selfie sharing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per year |

**What reviewers like**

- 🗺️ Great for Route 66 planning
- 📍 Helpful POI information
- 👍 Informative descriptions
- ✅ Accurate route information
- 💡 Virtual passport idea

**What reviewers complain about**

- ❌ Unusable for setup
- ❌ Download issues
- ❌ Offline content never downloads
- ❌ App crashes hard
- ❌ Update never downloads

**Reported bugs**

- Account creation errors due to formatting
- Download spinner never completes
- App crashes and requires endless updates
- Update never downloads
- Virtual passport often doesn't work

**Requested features**

- Progress bar for downloads
- Tutorial on how everything works
- Dark mode option


### Route 66 Centennial Guide

[App page](https://appshunter.io/ios/app/route-66-centennial-guide/id6761061587)

**Currently charting:** #24 Top Paid · Navigation (US App Store)

Explore the historic Route 66 with detailed site information and built-in navigation. Discover 267 researched locations, listen to audio narratives, and save your favorites for an offline travel companion.

**Highlights:** 267 curated historic sites, In-car audio narration, Offline content access, Favorites list creation, Navigation integration, AI-generated imagery

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

**In-app purchases:** none


## Frequently asked questions

### Is RT66 Guide free?

RT66 Guide is free to download, with in-app purchases available.

### Is Route 66 Centennial Guide free?

Route 66 Centennial Guide costs $6.99, with no in-app purchases.

### Which has better reviews, RT66 Guide or Route 66 Centennial Guide?

Route 66 Centennial Guide is rated higher. RT66 Guide averages 4.0 out of 5 from 120 ratings, while Route 66 Centennial Guide averages 4.7 from 22 ratings.

### Do RT66 Guide or Route 66 Centennial Guide have ads?

Neither RT66 Guide nor Route 66 Centennial Guide shows ads.

### Which is updated more often, RT66 Guide or Route 66 Centennial Guide?

RT66 Guide ships an update every 4 weeks, and Route 66 Centennial Guide weekly. Most recently, RT66 Guide was updated on October 8, 2026 and Route 66 Centennial Guide on October 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.*