# The QUAD Studios vs MoldAI

The clearest difference is in-app purchases: The QUAD Studios at none against MoldAI's 3. MoldAI's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. MoldAI sells 3 in-app purchases, starting at $9.99 per 7 days. The QUAD Studios asks for nothing beyond the download.

The QUAD Studios ships an update every 2 months, MoldAI every 6 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | The QUAD Studios | MoldAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (16 ratings)](https://appshunter.io/ios/app/moldai-mold-identifier/id6752491972/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Subscription |
| Size | 123 MB | 40 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Monarch Concepts, LLC](https://appshunter.io/developer/1808857716) | [Zirconia Labs LLC](https://appshunter.io/developer/1826663498) |

## What reviewers say

### The QUAD Studios

[App page](https://appshunter.io/ios/app/the-quad-studios/id6744676431)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### MoldAI

[App page](https://appshunter.io/ios/app/moldai-mold-identifier/id6752491972)

Scan your home for mold using your camera. This AI-powered tool analyzes images to identify mold presence, type, and potential severity. Track your findings over time in a personal dashboard to stay proactive about your living environment.

**Highlights:** AI-powered mold scanning, Detailed mold reports, Type and severity likelihood, Personal scan dashboard, Proactive monitoring, Secure on-device storage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MoldAI Premium Weekly | $9.99 | per 7 days |
| MoldAI Premium Weekly | $9.99 | per 7 days |
| MoldAI Premium Annual | $19.99 | per year |


## Frequently asked questions

### Is The QUAD Studios free?

The QUAD Studios is free to download, with no in-app purchases.

### Is MoldAI free?

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

### Do The QUAD Studios or MoldAI have ads?

The QUAD Studios shows ads; MoldAI does not.

### Which is updated more often, The QUAD Studios or MoldAI?

The QUAD Studios ships an update every 2 months, and MoldAI every 6 weeks. Most recently, The QUAD Studios was updated on October 28, 2026 and MoldAI 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.*