# ThinkByte vs KernelAI

The clearest difference is in-app purchases: KernelAI at none against ThinkByte's 1. KernelAI also leads on review sentiment (80% vs 50%) and rating (4.6 vs 4.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ThinkByte sells 1 one-off in-app purchase. KernelAI asks for nothing beyond the download.

KernelAI holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 12 and 42 respectively. Written reviews point the same way: 50% of ThinkByte's written reviews are positive against 80% of KernelAI's.

ThinkByte ships an update fortnightly, KernelAI every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ThinkByte | KernelAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (12 ratings)](https://appshunter.io/ios/app/thinkbyte-offline-local-ai/id6746089787/reviews) | **[4.6 (42 ratings)](https://appshunter.io/ios/app/kernelai-offline-ai-chat/id6757350731/reviews)** |
| Number of ratings | 12 | **42** |
| Positive reviews | 50.0% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 64 MB | 86 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ByteInk L.L.C-FZ](https://appshunter.io/developer/1765895279) | [Anes Khadiri](https://appshunter.io/developer/1863184646) |

## What reviewers say

### ThinkByte

[App page](https://appshunter.io/ios/app/thinkbyte-offline-local-ai/id6746089787)

This AI assistant operates entirely on your device, offering private and fast responses without internet access. It's ideal for brainstorming, learning, and getting writing support, ensuring your data remains secure and local.

**Highlights:** Fully offline AI operation, Private and secure on-device data, Instant AI responses, Choice of local AI models, Writing and learning support, No accounts or tracking

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $9.99 | one-time |


### 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


## Frequently asked questions

### Is ThinkByte free?

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

### Is KernelAI free?

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

### Which has better reviews, ThinkByte or KernelAI?

KernelAI is rated higher. ThinkByte averages 4.2 out of 5 from 12 ratings, while KernelAI averages 4.6 from 42 ratings.

### Do ThinkByte or KernelAI have ads?

Neither ThinkByte nor KernelAI shows ads.

### Which is updated more often, ThinkByte or KernelAI?

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