# Shinkansen smartEX App vs Stamp Quest

The clearest difference is rating: Stamp Quest at 3.0 against Shinkansen smartEX App's 1.7. Stamp Quest also leads on review sentiment (48% vs 17%) and update cadence (fortnightly vs every 6 weeks). Shinkansen smartEX App's advantage is in-app purchases (none vs 3) and ratings volume (601 vs 9). On price, ads and monetization model there is nothing between them.

Both are free to download. Stamp Quest sells 3 in-app purchases, starting at $5.99 per month. Shinkansen smartEX App asks for nothing beyond the download.

Stamp Quest holds the better App Store score, 3.0 against 1.7. That said, the two scores are not equally well evidenced: Shinkansen smartEX App has 601 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 17% of Shinkansen smartEX App's written reviews are positive against 48% of Stamp Quest's.

Shinkansen smartEX App ships an update every 6 weeks, Stamp Quest fortnightly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Shinkansen smartEX App | Stamp Quest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (601 ratings)](https://appshunter.io/ios/app/shinkansen-smartex-app/id1253336330/reviews) | **[3.0 (9 ratings)](https://appshunter.io/ios/app/stamp-quest/id6503354905/reviews)** |
| Number of ratings | **601** | 9 |
| Positive reviews | 16.7% of reviews | **47.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#130** | — |
| Size | 51 MB | 84 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Central Japan Railway Company](https://appshunter.io/developer/454429903) | [Parawut Pakanan](https://appshunter.io/developer/1742416588) |

## What reviewers say

### Shinkansen smartEX App

[App page](https://appshunter.io/ios/app/shinkansen-smartex-app/id1253336330)

**Currently charting:** #130 Top Free · Travel (US App Store)

Easily reserve Shinkansen seats, hotels, and activities. Enjoy discounts for early bookings and flexible changes. Access station and train service information, and use QR tickets or designated IC cards for seamless travel.

**Highlights:** Reserve Shinkansen seats, Book hotels and activities, Early booking discounts, Free reservation changes, Select seats from map, QR-Ticket and IC card boarding, Fingerprint authentication login

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### Stamp Quest

[App page](https://appshunter.io/ios/app/stamp-quest/id6503354905)

Discover unique Eki Stamps at train stations across Japan. This app guides you to collect these cultural collectibles, transforming your journey into a memorable quest. Explore Japan's diverse regions and create lasting memories.

**Highlights:** Discover Eki Stamps, Collect unique station stamps, Interactive map for stamp locations, Explore Japanese train stations, Cultural travel companion

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stamp Quest+ | $5.99 | per month |
| Stamp Quest+ | $34.99 | per year |
| Stamp Quest+ | $34.99 | per year |


## Frequently asked questions

### Is Shinkansen smartEX App free?

Shinkansen smartEX App is free to download, with no in-app purchases.

### Is Stamp Quest free?

Stamp Quest is free to download, with in-app purchases available.

### Which has better reviews, Shinkansen smartEX App or Stamp Quest?

Stamp Quest is rated higher. Shinkansen smartEX App averages 1.7 out of 5 from 601 ratings, while Stamp Quest averages 3.0 from 9 ratings.

### Do Shinkansen smartEX App or Stamp Quest have ads?

Neither Shinkansen smartEX App nor Stamp Quest shows ads.

### Which is updated more often, Shinkansen smartEX App or Stamp Quest?

Shinkansen smartEX App ships an update every 6 weeks, and Stamp Quest fortnightly. Most recently, Shinkansen smartEX App was updated on October 26, 2026 and Stamp Quest on October 27, 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.*