# Sequence Decoder vs CrewCheck App

The clearest difference is rating: CrewCheck App at 5.0 against Sequence Decoder's 4.6. CrewCheck App also leads on update cadence (every 3 days vs every 3 weeks). Sequence Decoder's advantage is ratings volume (238 vs 1) and iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CrewCheck App holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Sequence Decoder has 238 ratings behind it against 1, so its average is the more settled of the two.

Sequence Decoder ships an update every 3 weeks, CrewCheck App every 3 days. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Sequence Decoder | CrewCheck App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (238 ratings)](https://appshunter.io/ios/app/sequence-decoder/id1439988599/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crewcheck-app/id6759327918/reviews)** |
| Number of ratings | **238** | 1 |
| Positive reviews | 75.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Size | 16 MB | 75 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey REISBERG](https://appshunter.io/developer/1229355592) | [Samuel Norris](https://appshunter.io/developer/1878104428) |

## What reviewers say

### Sequence Decoder

[App page](https://appshunter.io/ios/app/sequence-decoder/id1439988599)

Access real-time and historical flight data for any airport, including departures, arrivals, and individual flight details. Flight attendants receive specialized tools for managing schedules, alerts, crew communication, and legal compliance.

**Highlights:** Airport departure/arrival info, Individual flight lookup, Flight attendant alerts, Crew scheduling tools, Legality checker, Crew communication

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

**In-app purchases:** none

**What reviewers like**

- 👍 Makes reserve life easier
- 👍 Helps line holders
- 👍 Incredible availability info
- 👍 Life changing app
- 👍 Streamlines work life

**What reviewers complain about**

- 🐛 Open time trips not listed
- 🐛 Calendar sync issues
- 🐛 App not working
- 🐛 Useless when not working
- 🐛 App not loading trips

**Reported bugs**

- Trips no longer listed in open time after update
- Cannot sync calendar
- App not loading trips or showing standbys
- Open time and call out list not working
- Jeffnet not loading data

**Requested features**

- Enable Face ID login when importing via browser
- Bring back hotel info


### CrewCheck App

[App page](https://appshunter.io/ios/app/crewcheck-app/id6759327918)

This app helps airline crew members manage their schedules, track trips, and monitor projected earnings. It offers intuitive tools for efficient work-life management and staying informed on the go. Designed by crew for crew, it simplifies complex airline logistics.

**Highlights:** Smart schedule tracking for trips, Crew profile insights, Real-time earnings visibility, Simplified airline logistics tools, Intuitive interface for aviation professionals

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

**In-app purchases:** none


## Frequently asked questions

### Is Sequence Decoder free?

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

### Is CrewCheck App free?

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

### Which has better reviews, Sequence Decoder or CrewCheck App?

CrewCheck App is rated higher. Sequence Decoder averages 4.6 out of 5 from 238 ratings, while CrewCheck App averages 5.0 from 1 ratings.

### Do Sequence Decoder or CrewCheck App have ads?

Neither Sequence Decoder nor CrewCheck App shows ads.

### Which is updated more often, Sequence Decoder or CrewCheck App?

Sequence Decoder ships an update every 3 weeks, and CrewCheck App every 3 days. Most recently, Sequence Decoder was updated on October 14, 2026 and CrewCheck App on October 5, 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.*