# Sequence Decoder vs Summerloch Green

The clearest difference is update cadence: Sequence Decoder at every 3 weeks against Summerloch Green's every 2 months. Sequence Decoder also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Sequence Decoder ships an update every 3 weeks, Summerloch Green every 2 months. The most recent releases landed on September 28, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Sequence Decoder | Summerloch Green |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (238 ratings)](https://appshunter.io/ios/app/sequence-decoder/id1439988599/reviews)** | — |
| Number of ratings | **238** | — |
| Positive reviews | 75.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 16 MB | 68 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey REISBERG](https://appshunter.io/developer/1229355592) | [Armstrong Software](https://appshunter.io/developer/1356328400) |

## 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


### Summerloch Green

[App page](https://appshunter.io/ios/app/summerloch-green/id1663941347)

**Features:** macOS Compatibility, Apple Wallet, 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 Summerloch Green free?

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

### Do Sequence Decoder or Summerloch Green have ads?

Neither Sequence Decoder nor Summerloch Green shows ads.

### Which is updated more often, Sequence Decoder or Summerloch Green?

Sequence Decoder ships an update every 3 weeks, and Summerloch Green every 2 months. Most recently, Sequence Decoder was updated on September 28, 2026 and Summerloch Green on September 14, 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.*