Name: Rattlegram - SMS via audio!
Availability: InStock
Author: aicodix GmbH

01 / Overview

Is Rattlegram - SMS via audio! safe?

Rattlegram lets you transmit short text messages over COFDMTV encoded audio signals. COFDMTV is based on COFDM (coded orthogonal frequency-division multiplexing) technology: 160 ms long OFDM symbols 6.25 Hz per sub-carrier 1/8 guard interval differentially encoded PSK (phase-shift keying) modulation systematic polar codes for forward error correction Currently Modes 14, 15 and 16 are supported: U…

Developer: aicodix GmbH
Category: Messaging
Earliest archived version: 11 Nov 2025
License: 0BSD (per IzzyOnDroid metadata)

02 / Package identity

Technical fingerprint

Application IDcom.aicodix.rattlegram

Latest APK SHA-2563098114e035aec1df480f6fc2220a415cfee50f604f17c4374cb4b46d2fe9928

Signing certificateB6:8F:F5:24:82:73:A1:D8:61:6C:64:F6:B9:6C:18:9A:06:2A:1F:6E:2E:29:66:AA:C7:1E:9D:19:18:A2:ED:74

MIN ANDROID21TARGET36ARCHITECTUREarm64-v8a · armeabi-v7a · x86 · x86_64

03 / History

Archive history

2 versions in WIKI archive: earliest 1.18 (11 Nov 2025), latest 1.19 (15 Sept 2026).

No change in android.permission.* between 1.18 and 1.19.

04 / Version archive

Documented releases

2 TOTAL

VersionReleasedAndroidArchitecture

1.1915 Sept 202623+arm64-v8a, armeabi-v7a, x86, x86_64→1.1811 Nov 202521+arm64-v8a, armeabi-v7a, x86, x86_64→

05 / Safety & access

Safety verdict

Authentic — file hash matches the source indexNo ads or tracking flagged by the source

IntegritySHA-256 verified vs source

SourceBinary repo · izzyondroid

Permissions2 declared · 1 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessRECORD_AUDIO

Declared permissions

android.permission.RECORD_AUDIO com.aicodix.rattlegram.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Tracker status: Not assessed by WIKI for Android.

06 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗