# HON Viewer vs RayAI

The clearest difference is in-app purchases: HON Viewer at none against RayAI's 2. HON Viewer also leads on ads (none vs shown) and update cadence (weekly vs every 4 months). On price and device support there is nothing between them.

Both are free to download. RayAI sells 2 in-app purchases, starting at $4.99 per 7 days. HON Viewer asks for nothing beyond the download.

HON Viewer ships an update weekly, RayAI every 4 months. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | HON Viewer | RayAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 4 months |
| Size | 26 MB | 31 MB |
| Requires iOS | **8.0** | 12.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) | [Arda Emin Cimen](https://appshunter.io/developer/1652033405) |

## What reviewers say

### HON Viewer

[App page](https://appshunter.io/ios/app/hon-viewer/id1227351396)

**Features:** macOS Compatibility

**In-app purchases:** none


### RayAI

[App page](https://appshunter.io/ios/app/rayai-see-inside-objects/id6756412965)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Plan | $4.99 | per 7 days |
| Annual Pro | $29.99 | per year |


## Frequently asked questions

### Is HON Viewer free?

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

### Is RayAI free?

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

### Do HON Viewer or RayAI have ads?

RayAI shows ads; HON Viewer does not.

### Which is updated more often, HON Viewer or RayAI?

HON Viewer ships an update weekly, and RayAI every 4 months. Most recently, HON Viewer was updated on November 11, 2026 and RayAI on November 9, 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.*