# NguyenKey vs Paranoia File Encryption PRO

The clearest difference is review sentiment: Paranoia File Encryption PRO at 100% against NguyenKey's 50%. Paranoia File Encryption PRO also leads on update cadence (every 2 months vs every 11 months). NguyenKey's advantage is price ($2.99 vs $3.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

NguyenKey costs $2.99 and Paranoia File Encryption PRO $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NguyenKey ships an update every 11 months, Paranoia File Encryption PRO every 2 months. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | NguyenKey | Paranoia File Encryption PRO |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/paranoia-file-encryption-pro/id6449606072/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 2 MB | 23 MB |
| Requires iOS | 15.6 | **14.5** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Takayuki Imai](https://appshunter.io/developer/998239550) | [Frantisek Dvorak](https://appshunter.io/developer/935278497) |

## What reviewers say

### NguyenKey

[App page](https://appshunter.io/ios/app/nguyenkey/id1359031306)

This keyboard simplifies Vietnamese input by using consonants, vowels, and tone marks instead of individual letters. It automates screen switching and offers phonetic symbols for learners. Supports one-handed typing on iPhone.

**Highlights:** Simplified Vietnamese input, Automated consonant/vowel screen switching, Tone mark entry, Phonetic symbols for learners, One-handed keyboard option (iPhone), Integrated input modes

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

**In-app purchases:** none


### Paranoia File Encryption PRO

[App page](https://appshunter.io/ios/app/paranoia-file-encryption-pro/id6449606072)

Securely encrypt your private files and folders with strong encryption algorithms. This app creates encrypted archives and offers options to delete original files automatically or manually. The PRO version includes advanced encryption methods and batch processing capabilities.

**Highlights:** Encrypts files and folders, Creates encrypted .enc archives, Supports multiple strong encryption algorithms, Optional automatic deletion of original files, Batch processing of multiple files (PRO version), Key to activate desktop PRO versions

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NguyenKey free?

NguyenKey costs $2.99, with no in-app purchases.

### Is Paranoia File Encryption PRO free?

Paranoia File Encryption PRO costs $3.99, with no in-app purchases.

### Do NguyenKey or Paranoia File Encryption PRO have ads?

Neither NguyenKey nor Paranoia File Encryption PRO shows ads.

### Which is updated more often, NguyenKey or Paranoia File Encryption PRO?

NguyenKey ships an update every 11 months, and Paranoia File Encryption PRO every 2 months. Most recently, NguyenKey was updated on October 20, 2026 and Paranoia File Encryption PRO on October 25, 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.*