# Shinkansen smartEX App vs Timeshifter

The clearest difference is review sentiment: Timeshifter at 92% against Shinkansen smartEX App's 17%. Timeshifter also leads on rating (4.7 vs 1.7) and update cadence (weekly vs monthly). Shinkansen smartEX App's advantage is in-app purchases (none vs 3). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Timeshifter sells 3 in-app purchases, starting at $24.99 per year. Shinkansen smartEX App asks for nothing beyond the download.

Timeshifter holds the better App Store score, 4.7 against 1.7. Both are backed by a comparable volume of ratings — 607 and 2.7K respectively. Written reviews point the same way: 17% of Shinkansen smartEX App's written reviews are positive against 92% of Timeshifter's.

Shinkansen smartEX App ships an update monthly, Timeshifter weekly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Shinkansen smartEX App | Timeshifter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (607 ratings)](https://appshunter.io/ios/app/shinkansen-smartex-app/id1253336330/reviews) | **[4.7 (2.7K ratings)](https://appshunter.io/ios/app/timeshifter/id1380684374/reviews)** |
| Number of ratings | 607 | **2.7K** |
| Positive reviews | 16.6% of reviews | **91.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #144 | **#29** |
| Size | 51 MB | 62 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Central Japan Railway Company](https://appshunter.io/developer/454429903) | [Timeshifter Inc.](https://appshunter.io/developer/1380684373) |

## What reviewers say

### Shinkansen smartEX App

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

**Currently charting:** #144 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


### Timeshifter

[App page](https://appshunter.io/ios/app/timeshifter/id1380684374)

**Currently charting:** #29 Top Grossing · Travel (US App Store)

This app provides personalized plans to combat jet lag based on circadian science. It offers practical advice for light exposure and avoidance to help you adjust to new time zones quickly and reduce symptoms like insomnia and sleepiness.

**Highlights:** Personalized jet lag plans, Circadian Time™ advice, Practicality Filter™, Pre-travel adjustment advice, Push notifications for advice, Automatic detection of short trips

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timeshifter | $24.99 | per year |
| discounted jet lag plan | $4.99 | one-time |
| jet lag plan | $9.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Effective at reducing jet lag
- 💡 Personalized recommendations
- ⏱️ Helpful notifications
- 🔍 Explains the science behind the recommendations

**What reviewers complain about**

- 🕰️ Difficult to follow recommendations during travel
- 🤒 Melatonin not always readily available
- 💰 Expensive subscription model

**Reported bugs**

- App crashing or getting stuck on a white screen
- Issues with account login and data loss

**Requested features**

- Ability to adjust plan for unexpected schedule changes
- Integration with fitness trackers or sleep apps
- Recommendations for meal timing and nutrition


## Frequently asked questions

### Is Shinkansen smartEX App free?

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

### Is Timeshifter free?

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

### Which has better reviews, Shinkansen smartEX App or Timeshifter?

Timeshifter is rated higher. Shinkansen smartEX App averages 1.7 out of 5 from 607 ratings, while Timeshifter averages 4.7 from 2.7K ratings.

### Do Shinkansen smartEX App or Timeshifter have ads?

Neither Shinkansen smartEX App nor Timeshifter shows ads.

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

Shinkansen smartEX App ships an update monthly, and Timeshifter weekly. Most recently, Shinkansen smartEX App was updated on November 6, 2026 and Timeshifter on November 7, 2026.

### Which is more popular, Shinkansen smartEX App or Timeshifter?

Shinkansen smartEX App currently peaks at #144 in the App Store charts, and Timeshifter at #29. Chart position reflects recent download velocity rather than total install base.

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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.*