# CNC CUBE vs Patent AI

The clearest difference is in-app purchases: Patent AI at none against CNC CUBE's 2. Patent AI also leads on ads (none vs shown) and update cadence (every 4 days vs monthly). On device support and iOS requirement there is nothing between them.

CNC CUBE costs $4.99 and Patent AI $1.99 up front. CNC CUBE sells 2 in-app purchases, starting at $0.99 per month. Patent AI asks for nothing beyond the download.

CNC CUBE ships an update monthly, Patent AI every 4 days. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CNC CUBE | Patent AI |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Rating | — | **[4.0 (3 ratings)](https://appshunter.io/ios/app/patent-ai/id6471381272/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Paid |
| Size | 38 MB | 202 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hakon Torve](https://appshunter.io/developer/1706381768) | [Nitrocast, Inc.](https://appshunter.io/developer/1074416813) |

## What reviewers say

### CNC CUBE

[App page](https://appshunter.io/ios/app/cnc-cube/id6464709228)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Experience | $0.99 | per month |
| Remove Ads | $4.99 | one-time |


### Patent AI

[App page](https://appshunter.io/ios/app/patent-ai/id6471381272)

Generate patent drafts with AI assistance. This tool helps inventors navigate the complexities of patent filing, identify prior art, and draft application components, making the process more efficient and cost-effective.

**Highlights:** AI-assisted patent drafting, Prior art identification, Drafting application components, Completing filing forms, Generating office action response shells, Cost and time savings

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

**In-app purchases:** none


## Frequently asked questions

### Is CNC CUBE free?

CNC CUBE costs $4.99, and also offers in-app purchases.

### Is Patent AI free?

Patent AI costs $1.99, with no in-app purchases.

### Do CNC CUBE or Patent AI have ads?

CNC CUBE shows ads; Patent AI does not.

### Which is updated more often, CNC CUBE or Patent AI?

CNC CUBE ships an update monthly, and Patent AI every 4 days. Most recently, CNC CUBE was updated on October 25, 2026 and Patent AI on October 30, 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.*