# Rot13 (Unix Flashback) vs Base64 Encoder Decoder

Rot13 (Unix Flashback) and Base64 Encoder Decoder both sit at 5.0 stars, but that hides the real split: 75% of Rot13 (Unix Flashback)'s written reviews are positive against 50% of Base64 Encoder Decoder's. Base64 Encoder Decoder's advantage is update cadence (every 5 months vs every 26 months) and iOS requirement (11.0 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Rot13 (Unix Flashback) against 5.0 for Base64 Encoder Decoder. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews are what separate them: 75% of Rot13 (Unix Flashback)'s written reviews are positive against 50% of Base64 Encoder Decoder's.

Rot13 (Unix Flashback) ships an update every 26 months, Base64 Encoder Decoder every 5 months. The most recent releases landed on September 16, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Rot13 (Unix Flashback) | Base64 Encoder Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/rot13-unix-flashback/id995122989/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/base64-encoder-decoder/id1612435358/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | **75.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 1 MB | 44 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Macplugins](https://appshunter.io/developer/364191414) | [Ahmad Sattar](https://appshunter.io/developer/1458483953) |

## What reviewers say

### Rot13 (Unix Flashback)

[App page](https://appshunter.io/ios/app/rot13-unix-flashback/id995122989)

This utility app performs a simple letter substitution cipher, rotating English letters by 13 positions. It's useful for obscuring text like spoilers or sensitive content from casual viewers. You can type directly, share text from other apps, or integrate it with shortcuts.

**Highlights:** Letter substitution cipher, Rotate by 13 positions, Hide spoilers and sensitive content, Share text from other apps, Integrate with shortcuts

**Features:** macOS Compatibility

**In-app purchases:** none


### Base64 Encoder Decoder

[App page](https://appshunter.io/ios/app/base64-encoder-decoder/id1612435358)

Easily convert text to and from the Base64 number system. This free utility allows you to encode or decode text quickly, with options to copy or download the results.

**Highlights:** Encode text to Base64, Decode Base64 to text, Upload files for conversion, Copy results, Download converted files, Clear text for new sessions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rot13 (Unix Flashback) free?

Rot13 (Unix Flashback) is free to download, with no in-app purchases.

### Is Base64 Encoder Decoder free?

Base64 Encoder Decoder is free to download, with no in-app purchases.

### Which has better reviews, Rot13 (Unix Flashback) or Base64 Encoder Decoder?

Rot13 (Unix Flashback) and Base64 Encoder Decoder are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do Rot13 (Unix Flashback) or Base64 Encoder Decoder have ads?

Neither Rot13 (Unix Flashback) nor Base64 Encoder Decoder shows ads.

### Which is updated more often, Rot13 (Unix Flashback) or Base64 Encoder Decoder?

Rot13 (Unix Flashback) ships an update every 26 months, and Base64 Encoder Decoder every 5 months. Most recently, Rot13 (Unix Flashback) was updated on September 16, 2026 and Base64 Encoder 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.*