# VirnetX One vs Codebook

The clearest difference is in-app purchases: VirnetX One at none against Codebook's 21. VirnetX One also leads on ads (none vs shown). Codebook's advantage is update cadence (every 3 days vs every 3 months) and ratings volume (31 vs 2). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Codebook sells 20 in-app purchases, starting at $2.99 per 7 days. VirnetX One asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for VirnetX One against 5.0 for Codebook. That said, the two scores are not equally well evidenced: Codebook has 31 ratings behind it against 2, so its average is the more settled of the two.

VirnetX One ships an update every 3 months, Codebook every 3 days. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | VirnetX One | Codebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/virnetx-one/id1586854126/reviews)** | [5.0 (31 ratings)](https://appshunter.io/ios/app/codebook-ai-coding-companion/id6467008280/reviews) |
| Number of ratings | 2 | **31** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 136 MB |
| Requires iOS | **14.3** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VirnetX Inc.](https://appshunter.io/developer/1022829556) | [Noah Clark](https://appshunter.io/developer/1708029582) |

## What reviewers say

### VirnetX One

[App page](https://appshunter.io/ios/app/virnetx-one/id1586854126)

Securely access work applications and team communications from your mobile device. This enterprise tool enables remote work by providing on-demand, secure access to business information, enhancing productivity while adhering to corporate security policies.

**Highlights:** Secure access to work applications, Team communication, Remote work enablement, On-demand business information access, Corporate security policy adherence, IT administrator management

**In-app purchases:** none


### Codebook

[App page](https://appshunter.io/ios/app/codebook-ai-coding-companion/id6467008280)

This app offers AI-powered coding assistance, lessons, and a built-in code editor. It helps users learn, write, run, and test code, build portfolios, and earn certifications. Access to advanced AI models is provided.

**Highlights:** AI-powered coding assistance, Instructor-led coding lessons, Built-in code editor, Code execution and testing, Certification and rewards, Personalized learning plans, Developer portfolio builder

**Features:** macOS Compatibility

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Codebook Remove Ads | $2.99 | per 7 days |
| Codebook Professional | $4.99 | per 7 days |
| Codebook Pro Without Ads | $7.99 | per 7 days |
| Codebook Challenge Answer | $1.99 | one-time |
| Codebook Widgets 1 Month | $2.99 | one-time |
| Codebook Challenge Refresh | $2.99 | one-time |
| 25 Codebook Tokens | $2.99 | one-time |
| GPT 4 Access | $2.99 | one-time |
| 50 Codebook Tokens | $3.99 | one-time |
| Codebook Certification | $3.99 | one-time |
| Codebook Tokens | $5.99 | one-time |
| 50 Codebook Tokens | $5.99 | one-time |
| GPT4-Codebook | $5.99 | one-time |
| Codebook Remove Ads | $5.99 | one-time |
| 100 Codebook Tokens | $8.99 | one-time |
| Codebook Remove Ads | $9.99 | one-time |
| GPT-4 Access for Codebook | $9.99 | one-time |
| GPT-4 1 Month Access | $12.99 | one-time |
| Codebook Remove Ads | $12.99 | one-time |
| 1 Month Idea Hub Access | $14.99 | one-time |


## Frequently asked questions

### Is VirnetX One free?

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

### Is Codebook free?

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

### Which has better reviews, VirnetX One or Codebook?

VirnetX One is rated higher. VirnetX One averages 5.0 out of 5 from 2 ratings, while Codebook averages 5.0 from 31 ratings.

### Do VirnetX One or Codebook have ads?

Codebook shows ads; VirnetX One does not.

### Which is updated more often, VirnetX One or Codebook?

VirnetX One ships an update every 3 months, and Codebook every 3 days. Most recently, VirnetX One was updated on October 6, 2026 and Codebook 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.*