# ASCII Converter++ vs ROT13 Decoder

The clearest difference is in-app purchases: ROT13 Decoder at none against ASCII Converter++'s 1. ROT13 Decoder also leads on ads (none vs shown). ASCII Converter++'s advantage is update cadence (every 2 weeks vs every 8 months) and iOS requirement (9.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. ASCII Converter++ sells 1 one-off in-app purchase. ROT13 Decoder asks for nothing beyond the download.

ASCII Converter++ ships an update every 2 weeks, ROT13 Decoder every 8 months. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ASCII Converter++ | ROT13 Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/ascii-converter-plus-plus/id1286627577/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 16 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dai Tran](https://appshunter.io/developer/1283175238) | [佳伟 蔡](https://appshunter.io/developer/1801859662) |

## What reviewers say

### ASCII Converter++

[App page](https://appshunter.io/ios/app/ascii-converter-plus-plus/id1286627577)

Easily convert text to various code formats like decimal, binary, octal, and hexadecimal, or convert codes back to text. This lightweight utility features a modern interface with theme options and provides instant results for studying, secret messaging, or research.

**Highlights:** Text to ASCII conversion, ASCII to text conversion, Binary, octal, hexadecimal support, Lightweight and fast performance, Modern interface with theme options, Instant conversion results

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ASCII Converter | $0.99 | one-time |


### ROT13 Decoder

[App page](https://appshunter.io/ios/app/rot13-decoder/id6743629613)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ASCII Converter++ free?

ASCII Converter++ is free to download, with in-app purchases available.

### Is ROT13 Decoder free?

ROT13 Decoder is free to download, with no in-app purchases.

### Do ASCII Converter++ or ROT13 Decoder have ads?

ASCII Converter++ shows ads; ROT13 Decoder does not.

### Which is updated more often, ASCII Converter++ or ROT13 Decoder?

ASCII Converter++ ships an update every 2 weeks, and ROT13 Decoder every 8 months. Most recently, ASCII Converter++ was updated on September 25, 2026 and ROT13 Decoder on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*