# ByeByeJetLag vs JetShift

The clearest difference is price: JetShift at Free against ByeByeJetLag's $4.99. ByeByeJetLag's advantage is in-app purchases (none vs 3) and ratings volume (27 vs 1). On rating, update cadence, ads and device support there is nothing between them.

JetShift is free to download; ByeByeJetLag costs $4.99 up front. JetShift sells 3 in-app purchases, starting at $4.99 per month. ByeByeJetLag asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ByeByeJetLag against 5.0 for JetShift. That said, the two scores are not equally well evidenced: ByeByeJetLag has 27 ratings behind it against 1, so its average is the more settled of the two.

ByeByeJetLag ships an update every 3 weeks, JetShift fortnightly. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ByeByeJetLag | JetShift |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [5.0 (27 ratings)](https://appshunter.io/ios/app/byebyejetlag/id1405447423/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/jetshift-skip-jetlag/id6744546503/reviews) |
| Number of ratings | **27** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 44 MB | 71 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Gratitude International LLC](https://appshunter.io/developer/1405447422) | [Jannik Obenhoff](https://appshunter.io/developer/1590139703) |

## What reviewers say

### ByeByeJetLag

[App page](https://appshunter.io/ios/app/byebyejetlag/id1405447423)

This app offers a simple, effective audio guide to help travelers eliminate jet lag. Listen to a 15-minute session shortly after takeoff to adjust to your destination's time zone upon arrival. It's designed for frequent travelers and those prone to sleep disturbances.

**Highlights:** Guided audio sessions, Jet lag elimination, Travel time zone adjustment, Packing list bonus, Suitable for frequent travelers

**Features:** macOS Compatibility

**In-app purchases:** none


### JetShift

[App page](https://appshunter.io/ios/app/jetshift-skip-jetlag/id6744546503)

This app uses circadian rhythm science to help your body adjust to new time zones quickly. It provides personalized guidance on light exposure, sleep, melatonin, and caffeine intake to minimize jet lag symptoms like fatigue and sleeplessness.

**Highlights:** Circadian rhythm science, Personalized light exposure timing, Melatonin scheduling, Stepwise sleep shifts, Smart caffeine intake, Offline functionality, Calendar integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JetShift Super - Monthly | $4.99 | per month |
| JetShift Super Annual Discount | $29.99 | per year |
| JetShift Super - Annual | $49.99 | per year |


## Frequently asked questions

### Is ByeByeJetLag free?

ByeByeJetLag costs $4.99, with no in-app purchases.

### Is JetShift free?

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

### Which has better reviews, ByeByeJetLag or JetShift?

ByeByeJetLag and JetShift are both rated 5.0 out of 5 on the App Store, from 27 and 1 ratings respectively.

### Do ByeByeJetLag or JetShift have ads?

Neither ByeByeJetLag nor JetShift shows ads.

### Which is updated more often, ByeByeJetLag or JetShift?

ByeByeJetLag ships an update every 3 weeks, and JetShift fortnightly. Most recently, ByeByeJetLag was updated on October 17, 2026 and JetShift on October 13, 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.*