# HighlighterAI.com vs Cipher AI

The clearest difference is in-app purchases: HighlighterAI.com at none against Cipher AI's 2. HighlighterAI.com also leads on ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Cipher AI sells 2 in-app purchases, starting at $1.99 per month. HighlighterAI.com asks for nothing beyond the download.

## The numbers

| Metric | HighlighterAI.com | Cipher AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 10 days |
| Size | 27 MB | 15 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Artificial Intelligence Suisse SA](https://appshunter.io/developer/1795088909) | [Chris Burchett](https://appshunter.io/developer/1262824383) |

## What reviewers say

### HighlighterAI.com

[App page](https://appshunter.io/ios/app/highlighteraicom/id6759449819)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cipher AI

[App page](https://appshunter.io/ios/app/cipher-ai-private-llm-chat/id6767926967)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cipher Premium — Monthly | $1.99 | per month |
| Cipher Premium — Yearly | $14.99 | per year |


## Frequently asked questions

### Is HighlighterAI.com free?

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

### Is Cipher AI free?

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

### Do HighlighterAI.com or Cipher AI have ads?

Cipher AI shows ads; HighlighterAI.com does not.

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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.*