# Paranoia Text Encryption PRO vs Scientific Calculator DES

The clearest difference is review sentiment: Paranoia Text Encryption PRO at 84% against Scientific Calculator DES's 50%. Paranoia Text Encryption PRO also leads on rating (4.7 vs 4.3) and ratings volume (53 vs 3). Scientific Calculator DES's advantage is update cadence (every 5 weeks vs every 2 months) and iOS requirement (12.0 vs 14.5). On ads, in-app purchases, monetization model and device support there is nothing between them.

Paranoia Text Encryption PRO costs $3.99 and Scientific Calculator DES $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Paranoia Text Encryption PRO holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Paranoia Text Encryption PRO has 53 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 84% of Paranoia Text Encryption PRO's written reviews are positive against 50% of Scientific Calculator DES's.

Paranoia Text Encryption PRO ships an update every 2 months, Scientific Calculator DES every 5 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Paranoia Text Encryption PRO | Scientific Calculator DES |
| --- | --- | --- |
| Price | **$3.99** | $5.99 |
| Rating | **[4.7 (53 ratings)](https://appshunter.io/ios/app/paranoia-text-encryption-pro/id935278498/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/scientific-calculator-des-38d/id1379779839/reviews) |
| Number of ratings | **53** | 3 |
| Positive reviews | **83.6% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 18 MB | 9 MB |
| Requires iOS | 14.5 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Frantisek Dvorak](https://appshunter.io/developer/935278497) | [Dohmann Engineering Services](https://appshunter.io/developer/401682475) |

## What reviewers say

### Paranoia Text Encryption PRO

[App page](https://appshunter.io/ios/app/paranoia-text-encryption-pro/id935278498)

Securely encrypt and decrypt sensitive text data using a wide range of advanced algorithms. Protect notes, messages, and cryptocurrency keys. Features steganography to hide data within images and post-quantum key exchange.

**Highlights:** Multiple strong encryption algorithms, Steganography for image data hiding, Post-quantum key encapsulation (KEM), Unlimited password management, Cross-platform compatibility (iOS, macOS), Copy/paste and file saving

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🔒 Strong encryption system
- 👍 Easy to use interface
- 🚀 Fast performance
- 💻 Cross-platform compatibility (iOS, Android, Windows, Linux, Mac)
- 💡 Good choice of encryption algorithms

**What reviewers complain about**

- 😟 Not open source, causes paranoia
- ❓ Family sharing issues
- 🐛 Free version doesn't work properly
- 🐛 Paid version has bugs
- 🐛 Data transfer via cellular network (resolved)

**Reported bugs**

- Free version not working
- Paid version buggy
- Data transfer via cellular network (resolved)
- Incompatible with other steganography apps
- Not iPhone 6s Plus optimized

**Requested features**

- PIN for app lock
- Auto-erase log/history
- Save session passwords in keychain
- Integration with quick commands for automation
- PGP support


### Scientific Calculator DES

[App page](https://appshunter.io/ios/app/scientific-calculator-des-38d/id1379779839)

This advanced calculator offers engineers and mathematicians a powerful tool with intuitive, multi-line display and left-to-right data entry. It supports various number bases, notations, and includes extensive statistical analysis and graphing capabilities. All features are available for a one-time purchase.

**Highlights:** Multi-line display with left-to-right entry, Supports Hex, Binary, Octal number bases, Decimal, Scientific, Fractional notation, Angle entry in degrees, radians, gradians, turns, 10 Memory Registers, Advanced statistics and graphing, Import CSV files for data sets

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

**In-app purchases:** none


## Frequently asked questions

### Is Paranoia Text Encryption PRO free?

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

### Is Scientific Calculator DES free?

Scientific Calculator DES costs $5.99, with no in-app purchases.

### Which has better reviews, Paranoia Text Encryption PRO or Scientific Calculator DES?

Paranoia Text Encryption PRO is rated higher. Paranoia Text Encryption PRO averages 4.7 out of 5 from 53 ratings, while Scientific Calculator DES averages 4.3 from 3 ratings.

### Do Paranoia Text Encryption PRO or Scientific Calculator DES have ads?

Neither Paranoia Text Encryption PRO nor Scientific Calculator DES shows ads.

### Which is updated more often, Paranoia Text Encryption PRO or Scientific Calculator DES?

Paranoia Text Encryption PRO ships an update every 2 months, and Scientific Calculator DES every 5 weeks. Most recently, Paranoia Text Encryption PRO was updated on November 1, 2026 and Scientific Calculator DES on November 2, 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.*