Cipher Sender vs ROT13 Decoder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cipher Sender
This app allows you to send secret messages to your friends using a variety of historical ciphers and codes. It supports popular encryption methods like Caesar Shift, Morse Code, and Vigenere Cipher. The application is open source, inviting community contributions.
- A1Z26 Cipher
- Atbash Cipher
- Caesar Shift Cipher
- Morse Code
- Vigenere Cipher
- Open Source
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Send secret messages with your friends! Cipher Sender includes some of the most popular ciphers and codes from throughout history including: - A1Z26 Cipher - Atbash Cipher - Caesar Shift Cipher - Keyboard Shift Cipher - Monoalphabetic Substitution - Morse Code - Rail Fence Cipher - ROT13 - Vigenere Cipher Cipher Sender is open source! Have an improvement in mind? Let us know at https://github.com/High5Apps/cipher-sender
ROT13 Decoder
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ROT13 Decoder is a simple yet powerful text encoding/decoding tool that supports ROT13, ROT5, and ROT18 encoding methods. Whether you're performing simple text encryption or need to quickly decode ROT-encrypted content, this app makes it effortless. Key Features: 1. ROT13: Shifts letters by 13 positions 2. ROT5: Shifts numbers by 5 positions 3. ROT18: Shifts both letters and numbers simultaneously Why Choose Us: 1. Completely offline operation for privacy protection 2. Clean and intuitive interface 3. One-click result copying 4. Zero learning curve, ready to use instantly This lightweight yet practical tool puts powerful decoding capabilities right at your fingertips, making ROT-encoded text handling a breeze on your device.
Screenshots
Verdict
The clearest difference is iOS requirement: Cipher Sender at 13.0 against ROT13 Decoder's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Cipher Sender ships an update every 9 months, ROT13 Decoder every 8 months. The most recent releases landed on October 4, 2026 and September 27, 2026 respectively.
| Parameter | Cipher Sender | ROT13 Decoder |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (39 ratings) — better | — |
| Positive reviews | 94.6% of reviews | — |
| Number of ratings | 39 — better | — |
| Update frequency | Every 9 months | Every 8 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Julian Tigler | 佳伟 蔡 |
In-app purchases
Cipher Sender
No in-app purchases
ROT13 Decoder
No in-app purchases
Questions
Is Cipher Sender free?
Is ROT13 Decoder free?
Do Cipher Sender or ROT13 Decoder have ads?
Which is updated more often, Cipher Sender or ROT13 Decoder?
Other comparisons
