# North Carolina 811 vs KnowledgeVine

The clearest difference is ads: KnowledgeVine at none against North Carolina 811's shown. KnowledgeVine also leads on update cadence (every 2 months vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

North Carolina 811 ships an update every 8 months, KnowledgeVine every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | North Carolina 811 | KnowledgeVine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (17 ratings)](https://appshunter.io/ios/app/north-carolina-811/id592411877/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 18 MB | 26 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [North Carolina 811](https://appshunter.io/developer/592411880) | [Knowledge Vine, LLC](https://appshunter.io/developer/1325657464) |

## What reviewers say

### North Carolina 811

[App page](https://appshunter.io/ios/app/north-carolina-811/id592411877)

This app facilitates safe digging by connecting excavators with facility operators. It educates the public on excavation activities and promotes damage prevention. The service is provided free of charge to all users.

**Highlights:** Promotes damage prevention, Facilitates excavation communication, Educates excavators and the public, Connects excavators with facility operators, Free service for excavators

**Features:** macOS Compatibility

**In-app purchases:** none


### KnowledgeVine

[App page](https://appshunter.io/ios/app/knowledgevine/id1637147448)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is North Carolina 811 free?

North Carolina 811 is free to download, with no in-app purchases.

### Is KnowledgeVine free?

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

### Do North Carolina 811 or KnowledgeVine have ads?

North Carolina 811 shows ads; KnowledgeVine does not.

### Which is updated more often, North Carolina 811 or KnowledgeVine?

North Carolina 811 ships an update every 8 months, and KnowledgeVine every 2 months. Most recently, North Carolina 811 was updated on November 1, 2026 and KnowledgeVine on November 3, 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.*