# Rot13 (Unix Flashback) vs KSBTECH

The clearest difference is rating: Rot13 (Unix Flashback) at 5.0 against KSBTECH's 3.9. Rot13 (Unix Flashback) also leads on review sentiment (75% vs 58%). KSBTECH's advantage is update cadence (every 3 weeks vs every 26 months) and ratings volume (215 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Rot13 (Unix Flashback) holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: KSBTECH has 215 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 75% of Rot13 (Unix Flashback)'s written reviews are positive against 58% of KSBTECH's.

Rot13 (Unix Flashback) ships an update every 26 months, KSBTECH every 3 weeks. The most recent releases landed on September 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Rot13 (Unix Flashback) | KSBTECH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rot13-unix-flashback/id995122989/reviews)** | [3.9 (215 ratings)](https://appshunter.io/ios/app/ksbtech/id1576849320/reviews) |
| Number of ratings | 2 | **215** |
| Positive reviews | **75.0% of reviews** | 57.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 41 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Macplugins](https://appshunter.io/developer/364191414) | [KSBDATATECH LTD](https://appshunter.io/developer/1576849322) |

## 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


### KSBTECH

[App page](https://appshunter.io/ios/app/ksbtech/id1576849320)

This platform allows users to sell unwanted gift cards for Naira. It also offers a range of digital services including purchasing data, airtime, and paying utility bills.

**Highlights:** Sell gift cards for Naira, Buy data, Buy airtime, Pay utility bills, Wallet funding

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and reliable
- 💰 Good rates
- 👍 Honest and trustworthy

**What reviewers complain about**

- 🐛 Declining valid cards
- 💰 Scamming and ripping off users
- 🚫 Unresponsive support

**Reported bugs**

- Card redemption issues
- Slow and unresponsive app

**Requested features**

- Faster transaction processing
- Improved security measures


## Frequently asked questions

### Is Rot13 (Unix Flashback) free?

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

### Is KSBTECH free?

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

### Which has better reviews, Rot13 (Unix Flashback) or KSBTECH?

Rot13 (Unix Flashback) is rated higher. Rot13 (Unix Flashback) averages 5.0 out of 5 from 2 ratings, while KSBTECH averages 3.9 from 215 ratings.

### Do Rot13 (Unix Flashback) or KSBTECH have ads?

Neither Rot13 (Unix Flashback) nor KSBTECH shows ads.

### Which is updated more often, Rot13 (Unix Flashback) or KSBTECH?

Rot13 (Unix Flashback) ships an update every 26 months, and KSBTECH every 3 weeks. Most recently, Rot13 (Unix Flashback) was updated on September 16, 2026 and KSBTECH on October 15, 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.*