Record and playback amateur radio QSOs with Audioloop and quick rewind.

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Antivirus & safety scan results

Scan Date: Jul 27, 2026 Software Version: 1.0.2

Status: ✅ Trusted & Safe to install This app is signed by Thomas Osterried, DL9SAU with trusted and verified digital signature and it will updated existing QSO Again installations Certificate fingerprint: 6ff08fc4c983b7f0cd48328ae5a6152231fc62bf Issuer: C:UK, CN:FDroid, L:ORG, O:fdroid.org, ST:ORG, OU:FDroid How we verify APK files security

Android antivirus Status

K7GW Clean ✅

DrWeb Clean ✅

VirIT Clean ✅

ClamAV Clean ✅

Google Clean ✅

Ikarus Clean ✅

Lionic Clean ✅

Sophos Clean ✅

Yandex Clean ✅

Alibaba Clean ✅

Tencent Clean ✅

Xcitium Clean ✅

Fortinet Clean ✅

Kingsoft Clean ✅

Symantec Clean ✅

AhnLab-V3 Clean ✅

Kaspersky Clean ✅

Microsoft Clean ✅

Trustlook Clean ✅

ESET-NOD32 Clean ✅

Avast-Mobile Clean ✅

NANO-Antivirus Clean ✅

BitDefenderFalx Clean ✅

QSO Again Record Audio app for Android description

QSO Again is an Android app for recording and playing back amateur radio QSOs (radio conversations).

Features:

Record audio with microphone
Playback recordings
Manage recording files
Background recording with notification
Audioloop: Infinite audio recording in RAM (no intermediate storage on disk, size depends on available RAM)
Quick rewind: Jump back a few seconds via button or progress bar to listen to important passages again

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Screenshots & Video

Specifications

Package Name	de.qso.again
Requirements	Android 8.0 (Oreo API 26)
Author	Thomas Osterried, DL9SAU
APK Size	4.7 MB
Categories	Music and Audio, Record Audio
Source Code	https://github.com/dl9sau/qso-again