# Explore Illinois Route 66 vs R66 Clock

The clearest difference is in-app purchases: Explore Illinois Route 66 at none against R66 Clock's 1. Explore Illinois Route 66 also leads on iOS requirement (15.1 vs 26.0). R66 Clock's advantage is update cadence (every 4 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. R66 Clock sells 1 one-off in-app purchase. Explore Illinois Route 66 asks for nothing beyond the download.

Explore Illinois Route 66 ships an update every 3 months, R66 Clock every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Explore Illinois Route 66 | R66 Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (128 ratings)](https://appshunter.io/ios/app/explore-illinois-route-66/id1536595253/reviews)** | — |
| Number of ratings | **128** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 78 MB | 8 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [ILLINOIS ROUTE 66 HERITAGE PROJECT, INC.](https://appshunter.io/developer/1536595255) | [Kinya Nakayama](https://appshunter.io/developer/1884487435) |

## What reviewers say

### Explore Illinois Route 66

[App page](https://appshunter.io/ios/app/explore-illinois-route-66/id1536595253)

Plan your ultimate road trip along America's most iconic highway. Discover attractions, find upcoming events, and build a personalized itinerary to share with loved ones. Experience the essence of American highway culture.

**Highlights:** Discover activities and attractions, View upcoming events, Add events and places to custom trip, Share itinerary with friends and family, Personalized vacation planning

**Features:** macOS Compatibility

**In-app purchases:** none


### R66 Clock

[App page](https://appshunter.io/ios/app/r66-clock/id6760439983)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |


## Frequently asked questions

### Is Explore Illinois Route 66 free?

Explore Illinois Route 66 is free to download, with no in-app purchases.

### Is R66 Clock free?

R66 Clock is free to download, with in-app purchases available.

### Do Explore Illinois Route 66 or R66 Clock have ads?

Neither Explore Illinois Route 66 nor R66 Clock shows ads.

### Which is updated more often, Explore Illinois Route 66 or R66 Clock?

Explore Illinois Route 66 ships an update every 3 months, and R66 Clock every 4 days. Most recently, Explore Illinois Route 66 was updated on October 24, 2026 and R66 Clock 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.*