# StopJetLag vs Flykitt

The clearest difference is review sentiment: Flykitt at 77% against StopJetLag's 8%. Flykitt also leads on rating (4.8 vs 2.3) and update cadence (weekly vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. StopJetLag sells 1 one-off in-app purchase and Flykitt sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Flykitt holds the better App Store score, 4.8 against 2.3. That said, the two scores are not equally well evidenced: Flykitt has 242 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 8% of StopJetLag's written reviews are positive against 77% of Flykitt's.

StopJetLag ships an update every 2 months, Flykitt weekly. The most recent releases landed on September 22, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | StopJetLag | Flykitt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (12 ratings)](https://appshunter.io/ios/app/stopjetlag/id554538393/reviews) | **[4.8 (242 ratings)](https://appshunter.io/ios/app/flykitt/id1571767892/reviews)** |
| Number of ratings | 12 | **242** |
| Positive reviews | 7.7% of reviews | **76.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 56 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [StopJetLag](https://appshunter.io/developer/554538396) | [Kitt Bio Inc.](https://appshunter.io/developer/1485193684) |

## 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 |


### Flykitt

[App page](https://appshunter.io/ios/app/flykitt/id1571767892)

This AI-powered travel companion offers personalized recommendations for sleep, jet lag, workouts, and healthy eating. It analyzes your preferences and available resources to provide tailored advice for business and leisure travelers.

**Highlights:** Personalized sleep and jet lag advice, AI-driven workout generation, Healthy restaurant and menu analysis, Customized meal recommendations, Travel fitness optimization

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flykitt Pro Light Monthly | $4.99 | per month |
| Flykitt Pro Monthly | $12.99 | per month |
| Flykitt Pro Light Yearly | $49.99 | per year |
| Flykitt Pro Yearly | $119.99 | per year |

**What reviewers like**

- ✨ Solves jet lag effectively
- 🚀 Efficient travel recovery
- 💡 Brilliant app integration
- 👍 Easy to follow instructions
- 🔬 Scientific approach to travel

**What reviewers complain about**

-  bulky Packaging
- 📱 App requires internet
- 💰 Expensive for some users
- 📅 Scheduling issues with delays
- ❌ No offline functionality

**Reported bugs**

- App requires internet connection
- Error creating account ('notinternetconnection')
- Scheduling errors with flight delays

**Requested features**

- Allow for last-minute schedule changes
- Add events to iCalendar
- Display both time zones on calendar/todo list
- Option to reorder via the app
- Add diet reminders back


## Frequently asked questions

### Is StopJetLag free?

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

### Is Flykitt free?

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

### Which has better reviews, StopJetLag or Flykitt?

Flykitt is rated higher. StopJetLag averages 2.3 out of 5 from 12 ratings, while Flykitt averages 4.8 from 242 ratings.

### Do StopJetLag or Flykitt have ads?

Neither StopJetLag nor Flykitt shows ads.

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

StopJetLag ships an update every 2 months, and Flykitt weekly. Most recently, StopJetLag was updated on September 22, 2026 and Flykitt on September 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.*