# ThermalGlass vs RayAI

The clearest difference is in-app purchases: ThermalGlass at none against RayAI's 2. ThermalGlass also leads on ads (none vs shown). RayAI's advantage is iOS requirement (12.4 vs 18.0). On price, update cadence 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. ThermalGlass asks for nothing beyond the download.

ThermalGlass ships an update every 3 months, RayAI every 4 months. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ThermalGlass | RayAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 71 MB | 31 MB |
| Requires iOS | 18.0 | **12.4** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Holoindustry Kereskedelmi es Szolgaltato Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1773129299) | [Arda Emin Cimen](https://appshunter.io/developer/1652033405) |

## What reviewers say

### ThermalGlass

[App page](https://appshunter.io/ios/app/thermalglass/id6736709692)

**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 ThermalGlass free?

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

### Is RayAI free?

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

### Do ThermalGlass or RayAI have ads?

RayAI shows ads; ThermalGlass does not.

### Which is updated more often, ThermalGlass or RayAI?

ThermalGlass ships an update every 3 months, and RayAI every 4 months. Most recently, ThermalGlass was updated on October 17, 2026 and RayAI on October 12, 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.*