# Paranoia Text Encryption Lite vs Ruler Studio

The clearest difference is in-app purchases: Paranoia Text Encryption Lite at none against Ruler Studio's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ruler Studio sells 1 one-off in-app purchase. Paranoia Text Encryption Lite asks for nothing beyond the download.

Paranoia Text Encryption Lite ships an update every 2 months, Ruler Studio every 6 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Paranoia Text Encryption Lite | Ruler Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (84 ratings)](https://appshunter.io/ios/app/paranoia-text-encryption-lite/id1092955070/reviews)** | — |
| Number of ratings | **84** | — |
| Positive reviews | 74.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 18 MB | 19 MB |
| Requires iOS | 14.5 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Frantisek Dvorak](https://appshunter.io/developer/935278497) | [Spyridon Bousios](https://appshunter.io/developer/1168309944) |

## What reviewers say

### Paranoia Text Encryption Lite

[App page](https://appshunter.io/ios/app/paranoia-text-encryption-lite/id1092955070)

Securely encrypt and decrypt sensitive text data, including notes, messages, and cryptocurrency keys. Offers robust security with multiple strong encryption algorithms and advanced steganography features to hide data within images. Also supports secure password exchange using post-quantum cryptography.

**Highlights:** Text encryption and decryption, Steganography (hide text in JPEG), Post-quantum key encapsulation, Multiple strong encryption algorithms, Copy/paste and file saving, Session-based password management

**Features:** Vision Pro support

**In-app purchases:** none


### Ruler Studio

[App page](https://appshunter.io/ios/app/ruler-studio/id6777489772)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruler Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Paranoia Text Encryption Lite free?

Paranoia Text Encryption Lite is free to download, with no in-app purchases.

### Is Ruler Studio free?

Ruler Studio is free to download, with in-app purchases available.

### Do Paranoia Text Encryption Lite or Ruler Studio have ads?

Neither Paranoia Text Encryption Lite nor Ruler Studio shows ads.

### Which is updated more often, Paranoia Text Encryption Lite or Ruler Studio?

Paranoia Text Encryption Lite ships an update every 2 months, and Ruler Studio every 6 weeks. Most recently, Paranoia Text Encryption Lite was updated on October 6, 2026 and Ruler Studio on October 10, 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.*