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Android Apps > Tools > Rosetta
App profile & analytics · Tools · Data updated 2026-10-27
Rosetta icon

Rosetta

by Petr Nálevka (Urbandroid) · Free · Version 1.2

“The ultimate cipher, code & ancient alphabet translator in your pocket.” the developer's tagline

Availability On Google Play since October 2026 ↗
Rating on Google Play
–
At a glance AppBrain's trailer of this app, made from our data
Rating
–
0 reviews
Total installs
81
Installs, last 30 days
81
Best rank
–
not in the top lists
Last updated
October 14, 2026
1.2
AppBrain's verdict NewNiche

Rosetta came out 28 days ago. It is a niche app, with 81 installs. It doesn't have enough ratings yet to judge what users think.

Rosetta is made and published by Petr Nálevka (Urbandroid). AppBrain is an independent app data site and isn't affiliated with Petr Nálevka (Urbandroid). The app name, icon, screenshots and description belong to Petr Nálevka (Urbandroid) and are shown as published on Google Play.

About Rosetta

Rosetta is a tools app developed by Petr Nálevka (Urbandroid).

Install Statistics

Rosetta has been installed 81 times. In the last 30 days, the app was installed 81 times.

User Ratings

The app has no ratings yet.

App Information

Rosetta is freely available from Google Play. The app size is 28.40 MB. The latest version available is 1.2. The last update was on October 14, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play since October 2026.

Description by Petr Nálevka (Urbandroid) (from Google Play)
Unlock secrets of the past and present with Rosetta - the ultimate handbook and live translator for ancient scripts, secret ciphers, and communication codes!

Whether you are a history buff, puzzle hunter, geocacher, escape-room enthusiast, or cryptography fan, Rosetta gives you an instant pocket reference and live interactive translator across dozens of writing systems and codes.

WHAT YOU CAN EXPLORE & TRANSLATE:

Ancient & Historical Scripts:
- Egyptian Hieroglyphs (Uniliteral glyphs & symbolic names)
- Cuneiform (Ancient Sumerian / Akkadian script)
- Elder Futhark Runes (Runes & traditional names)
- Classical Greek (Uppercase, lowercase written cursive & letter names)
- Early Cyrillic / Azbuka (Glyphs, cursive script & historical names)

Classic & Secret Ciphers:
- Pigpen Cipher (Freemasonic geometric cipher)
- Caesar / ROT13 Substitution
- Atbash Cipher (Ancient Hebrew reversal cipher)
- Bacon's Steganographic Cipher
- Polybius Square & Tap Code (Prison wall knocking)
- A1Z26 Numeric Substitution
- 5-Bit Binary Code
- Futurama Alienese 1

Signals, Radio & Universal Systems:
- Morse Code (Dots & dashes with visual breakdown)
- NATO Phonetic Alphabet (Aviation & military standard)
- International Maritime Naval Flags
- Flag Semaphore (Optical telegraphy poses)
- Braille (Tactile 6-dot matrix)

KEY FEATURES:

- Side-by-Side Rosetta Comparison Table:
Compare letters from A to Z across all scripts, ciphers, and flag signals in one continuous, beautiful side-by-side reference grid.

- Live Real-Time Translator:
Type any phrase or secret message and watch it immediately render in your selected cipher or ancient script with crisp vector and authentic sprite illustrations.

- Easy Sharing & Copying:
Copy encoded text directly or export & share your visual translation flow as an image to send secret messages to friends, riddle mates, or fellow players!

- Alphabet & Variant Inspector:
Browse complete alphabet tables by family with multiple variants (capital, written, names/pronunciation, flags, dot patterns, and poses).

Completely Offline & Private:
No internet required for translations and references. No tracking, ads, or telemetry.

Rediscover the art of secret communication and ancient knowledge with Rosetta!

Recent changes:
Redesigned translation screen, OCR support
Show more Show less

App Performance Report

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Screenshots

Rosetta Screenshot 1 of 8
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Rosetta Screenshot 3 of 8
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Screenshots by Petr Nálevka (Urbandroid), from the Google Play listing
Official page on Google Play

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Installs over time

Rosetta has been installed 81 times. Over the past 30 days, it has been installed 81 times.

Changelog of Rosetta

Show changelog

Developer information for Petr Nálevka (Urbandroid)

Petr Nálevka (Urbandroid)

petr.nalevka@gmail.com

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Comments on Rosetta for Android

★★★★★ Dylan Trazenfeld · Oct 15, 2026
This is an incredible creation from my favorite app developer. Simple and straightforward use, yet complex and holds ancient information. Much respect and gratitude for this and your other useful applications.

Google Play Rankings for Rosetta

This app is not ranked

Technologies used by Rosetta

5 permissions
Subscribe to see full permission and library details
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