# HDRI Studio vs IAMA+

The clearest difference is in-app purchases: IAMA+ at none against HDRI Studio's 3. IAMA+ also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HDRI Studio sells 3 in-app purchases, starting at $19.99 per month. IAMA+ asks for nothing beyond the download.

HDRI Studio ships an update weekly, IAMA+ every 4 days. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HDRI Studio | IAMA+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 71 MB | 80 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Gatto](https://appshunter.io/developer/6789729997) | [Raphaelle Engel](https://appshunter.io/developer/6796968361) |

## What reviewers say

### HDRI Studio

[App page](https://appshunter.io/ios/app/hdri-studio-360-hdr-camera/id6789729995)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $19.99 | per month |
| 4K Render Credit | $2.99 | one-time |
| 8K Render Credit | $7.99 | one-time |


### IAMA+

[App page](https://appshunter.io/ios/app/iama-plus/id6797029511)

**In-app purchases:** none


## Frequently asked questions

### Is HDRI Studio free?

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

### Is IAMA+ free?

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

### Do HDRI Studio or IAMA+ have ads?

Neither HDRI Studio nor IAMA+ shows ads.

### Which is updated more often, HDRI Studio or IAMA+?

HDRI Studio ships an update weekly, and IAMA+ every 4 days. Most recently, HDRI Studio was updated on October 22, 2026 and IAMA+ 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.*