AF vs ROT13 Decoder
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
AF
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For AF-21 & P-901 IoTStation message receiving.
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 update cadence: ROT13 Decoder at every 8 months against AF's every 38 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AF ships an update every 38 months, ROT13 Decoder every 8 months. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.
| Parameter | AF | ROT13 Decoder |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 38 months | Every 8 months β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod β better |
| Requires iOS | 16.2 | 15.0 β better |
| Further details β not scored | ||
| Size | 140 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | john Cheng | δ½³δΌ θ‘ |
In-app purchases
AF
No in-app purchases
ROT13 Decoder
No in-app purchases
Questions
Is AF free?
Is ROT13 Decoder free?
Do AF or ROT13 Decoder have ads?
Which is updated more often, AF or ROT13 Decoder?
Other comparisons
