GCF Viewer

Name: GCF Viewer
Author: Guralp Systems Ltd

LiveGuralp Systems Ltd2 apps · 3.5K installsCommunicationFreecom.guralp.gcfviewer

View Guralp Compressed Format (GCF) files and live data

Alert me ★ Watch Open in Play ↗

Total installs: 2,207
Installs / day: 0
Rating: —★
Released: 18 Jul 2013
Last update: 24 Nov 2016
Countries: —

Installs per day

gain of the exact counter

12 Oct 2026No change in the counterOur first day-to-day reading of the counter. The line starts with the next one.

Daily tracking since 11 Oct 2026 · history grows every day

Install history

exact counter from Google Play

1dAll

Dashed: estimate from the release date (no daily data before 11 Oct 2026) · time axis compressed before that day

Daily tracking since 11 Oct 2026 · history grows every day

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
No data collected

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

5 in 4 groups

2 Sensitive0 Notable3 Routine

What this app can do with your phone

Read photos, videos, and other files saved in your phone's shared storage

Photos/Media/FilesSensitive1

Access to photos, videos, music and other files stored on your device

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE

StorageSensitive1

Access to files, photos and media saved on your phone's storage

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE

Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE

OtherRoutine2

Access to miscellaneous device features that don't fit other categories

Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET

Read more · all 5 permissions Show less

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Download

Full description

View Guralp Compressed Format (GCF) files and live data on your Android. Enables single-click viewing from email attachments, or select a GCF file saved on the device. Build up a list of live SCREAM! servers to connect to, and pull data from one or many at the same time. Select which waveform channels to view, or tap to zoom in on one for closer inspection, including Power Spectral Density (PSD) and spectrogram options. Flexible sorting options and viewing modes.

What's new

Restore opening GCF files directly from email attachments

Similar apps

closest title first, then most installs per day

More similar apps