# StopJetLag vs TTWgroup

The clearest difference is in-app purchases: TTWgroup at none against StopJetLag's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. StopJetLag sells 1 one-off in-app purchase. TTWgroup asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | StopJetLag | TTWgroup |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (12 ratings)](https://appshunter.io/ios/app/stopjetlag/id554538393/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 7.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 46 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [StopJetLag](https://appshunter.io/developer/554538396) | [AXUS Travel LLC](https://appshunter.io/developer/844650684) |

## What reviewers say

### StopJetLag

[App page](https://appshunter.io/ios/app/stopjetlag/id554538393)

This app provides personalized plans to combat jet lag using a science-backed sleep method. It optimizes your schedule based on flight details, sleep patterns, and destination time zones to help you arrive refreshed and productive.

**Highlights:** Flight-Aligned Sleep Method™, Personalized jet lag plans, Optimized for flight schedules, Considers sleep patterns, Destination time zone synchronization, Advice on sleep, light, food, and caffeine

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access Your StopJetLag Plan | Free | one-time |


### TTWgroup

[App page](https://appshunter.io/ios/app/ttwgroup/id6766960651)

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

**In-app purchases:** none


## Frequently asked questions

### Is StopJetLag free?

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

### Is TTWgroup free?

TTWgroup is free to download, with no in-app purchases.

### Do StopJetLag or TTWgroup have ads?

Neither StopJetLag nor TTWgroup shows ads.

### Which is updated more often, StopJetLag or TTWgroup?

StopJetLag ships an update every 2 months, and TTWgroup every 2 months. Most recently, StopJetLag was updated on October 15, 2026 and TTWgroup 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.*