# Sudo Encrypt vs NetBuddy MobileSpider

The clearest difference is price: Sudo Encrypt at Free against NetBuddy MobileSpider's $1.99. Sudo Encrypt also leads on update cadence (every 9 days vs every 6 weeks) and iOS requirement (13.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Sudo Encrypt is free to download; NetBuddy MobileSpider costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sudo Encrypt ships an update every 9 days, NetBuddy MobileSpider every 6 weeks. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Sudo Encrypt | NetBuddy MobileSpider |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/sudo-encrypt/id1506468136/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Monetization | Free | — |
| Size | 2 MB | 1 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shunzhe Ma](https://appshunter.io/developer/1052286218) | [Rick Bodnar](https://appshunter.io/developer/1712763175) |

## What reviewers say

### Sudo Encrypt

[App page](https://appshunter.io/ios/app/sudo-encrypt/id1506468136)

Securely encrypt and decrypt messages using RSA encryption. Generate your own keypairs, import others' public keys, and sign/verify message signatures. Seamlessly integrate with iMessage for easy sharing of encrypted content.

**Highlights:** Generate RSA keypairs locally, Encrypt messages with public keys, Decrypt messages with private keys, Sign and verify message signatures, iMessage extension for seamless integration, Embed encrypted messages as iMessage objects

**Features:** macOS Compatibility

**In-app purchases:** none


### NetBuddy MobileSpider

[App page](https://appshunter.io/ios/app/netbuddy-mobilespider/id6745826424)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudo Encrypt free?

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

### Is NetBuddy MobileSpider free?

NetBuddy MobileSpider costs $1.99, with no in-app purchases.

### Do Sudo Encrypt or NetBuddy MobileSpider have ads?

Neither Sudo Encrypt nor NetBuddy MobileSpider shows ads.

### Which is updated more often, Sudo Encrypt or NetBuddy MobileSpider?

Sudo Encrypt ships an update every 9 days, and NetBuddy MobileSpider every 6 weeks. Most recently, Sudo Encrypt was updated on October 4, 2026 and NetBuddy MobileSpider 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.*