# KernelAI vs DocLib Vault

The clearest difference is in-app purchases: KernelAI at none against DocLib Vault's 2. KernelAI also leads on ratings volume (42 vs 2). DocLib Vault's advantage is rating (5.0 vs 4.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DocLib Vault sells 2 in-app purchases, starting at $2.99 per month. KernelAI asks for nothing beyond the download.

DocLib Vault holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: KernelAI has 42 ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | KernelAI | DocLib Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (42 ratings)](https://appshunter.io/ios/app/kernelai-offline-ai-chat/id6757350731/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/doclib-vault/id6760244845/reviews)** |
| Number of ratings | **42** | 2 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Freemium |
| Size | 86 MB | 216 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Anes Khadiri](https://appshunter.io/developer/1863184646) | [Tyler Mattingly](https://appshunter.io/developer/1883438822) |

## What reviewers say

### KernelAI

[App page](https://appshunter.io/ios/app/kernelai-offline-ai-chat/id6757350731)

This AI assistant operates entirely on your device, offering private, offline access to over 43 free models. It functions without an internet connection, ensuring your data remains secure and inaccessible to anyone but you. Enjoy AI capabilities anywhere, anytime, with no data collection or subscriptions.

**Highlights:** Private, offline AI operation, No internet required, Zero data collection, Access to 43+ free AI models, Vision AI for image analysis, File attachments for document understanding, Ad-free experience

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

**In-app purchases:** none


### DocLib Vault

[App page](https://appshunter.io/ios/app/doclib-vault/id6760244845)

Securely store and organize photos, videos, documents, and notes locally on your device. Offers robust import options, advanced file management, and built-in viewers for various media types. Pro version unlocks deeper features like OCR and enhanced multi-play.

**Highlights:** Local-first private vault, Import from multiple sources, Folder and tag organization, Built-in viewers for various file types, Markdown and PDF editing, Encrypted backup and restore, Passcode and Face ID protection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DocLib Pro Monthly | $2.99 | per month |
| DocLib Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is KernelAI free?

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

### Is DocLib Vault free?

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

### Which has better reviews, KernelAI or DocLib Vault?

DocLib Vault is rated higher. KernelAI averages 4.6 out of 5 from 42 ratings, while DocLib Vault averages 5.0 from 2 ratings.

### Do KernelAI or DocLib Vault have ads?

Neither KernelAI nor DocLib Vault shows ads.

### Which is updated more often, KernelAI or DocLib Vault?

KernelAI ships an update every 3 weeks, and DocLib Vault every 3 weeks. Most recently, KernelAI was updated on October 25, 2026 and DocLib Vault on October 24, 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.*