# SriLankan Airlines vs Trajectory Study

The clearest difference is update cadence: Trajectory Study at every 2 weeks against SriLankan Airlines's every 2 months. SriLankan Airlines's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SriLankan Airlines ships an update every 2 months, Trajectory Study every 2 weeks. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SriLankan Airlines | Trajectory Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (636 ratings)](https://appshunter.io/ios/app/srilankan-airlines/id655557380/reviews)** | — |
| Number of ratings | **636** | — |
| Positive reviews | 18.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 69 MB | 4 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SriLankan Airlines Ltd.](https://appshunter.io/developer/654912081) | [Kazunari Mori](https://appshunter.io/developer/6806893930) |

## What reviewers say

### SriLankan Airlines

[App page](https://appshunter.io/ios/app/srilankan-airlines/id655557380)

Book flights, manage your entire trip, and check flight status on the go. Discover exclusive offers and access past travel details. Personalized features are coming soon.

**Highlights:** Book and manage flights, Check-in online, Select seats and meals, Redeem frequent flyer miles, Check flight status and schedule, Browse past trips, Discover exclusive offers

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

**In-app purchases:** none

**What reviewers like**

- 👨‍✈️ Exceptional cabin crew service and professionalism
- ✈️ On-time flight performance
- 🍽️ Quality food and beverage service
- 🧹 Clean aircraft and maintenance
- 💼 Ground staff professionalism (select staff)

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- 🔐 Login authentication issues and failures
- 📱 Poor mobile app usability and responsiveness
- 🔄 App requires repeated re-login sessions
- ❌ Boarding pass retrieval failures

**Reported bugs**

- Login credentials not recognized after updates
- App crashes during check-in process
- Unable to add trips to My Trips section
- Boarding pass display shows error or blank
- App fails to load or displays machine code

**Requested features**

- Biometric login (Face ID, fingerprint recognition)
- Apple Wallet integration for boarding passes
- Frequent flyer number auto-save functionality
- Single OTP verification instead of repeated prompts
- Improved inflight entertainment system


### Trajectory Study

[App page](https://appshunter.io/ios/app/trajectory-study/id6806893928)

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

**In-app purchases:** none


## Frequently asked questions

### Is SriLankan Airlines free?

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

### Is Trajectory Study free?

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

### Do SriLankan Airlines or Trajectory Study have ads?

Neither SriLankan Airlines nor Trajectory Study shows ads.

### Which is updated more often, SriLankan Airlines or Trajectory Study?

SriLankan Airlines ships an update every 2 months, and Trajectory Study every 2 weeks. Most recently, SriLankan Airlines was updated on October 19, 2026 and Trajectory Study on October 16, 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.*