# Base64 Encode and Decode vs ROT13 Decoder

The clearest difference is in-app purchases: ROT13 Decoder at none against Base64 Encode and Decode's 1. Base64 Encode and Decode's advantage is update cadence (every 2 months vs every 8 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Base64 Encode and Decode sells 1 one-off in-app purchase. ROT13 Decoder asks for nothing beyond the download.

Base64 Encode and Decode ships an update every 2 months, ROT13 Decoder every 8 months. The most recent releases landed on September 23, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Base64 Encode and Decode | ROT13 Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/base64-encode-and-decode/id6445869555/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 16 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Le Vu](https://appshunter.io/developer/888757091) | [佳伟 蔡](https://appshunter.io/developer/1801859662) |

## What reviewers say

### Base64 Encode and Decode

[App page](https://appshunter.io/ios/app/base64-encode-and-decode/id6445869555)

Easily convert text and data into Base64 format and back again. This utility app provides a straightforward way to encode and decode information for various applications.

**Highlights:** Base64 encoding, Base64 decoding, Data conversion, Simple interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $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 Base64 Encode and Decode free?

Base64 Encode and Decode 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 Base64 Encode and Decode or ROT13 Decoder have ads?

Neither Base64 Encode and Decode nor ROT13 Decoder shows ads.

### Which is updated more often, Base64 Encode and Decode or ROT13 Decoder?

Base64 Encode and Decode ships an update every 2 months, and ROT13 Decoder every 8 months. Most recently, Base64 Encode and Decode was updated on September 23, 2026 and ROT13 Decoder on September 27, 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.*