# HDReye vs Tridiar

The clearest difference is rating: HDReye at 4.5 against Tridiar's 3.0. HDReye also leads on review sentiment (28% vs 0%) and ratings volume (776 vs 2). Tridiar's advantage is in-app purchases (none vs 4) and iOS requirement (11 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HDReye sells 4 in-app purchases, starting at $6.99 per month. Tridiar asks for nothing beyond the download.

HDReye holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: HDReye has 776 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 28% of HDReye's written reviews are positive against 0% of Tridiar's.

HDReye ships an update monthly, Tridiar every 6 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HDReye | Tridiar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (776 ratings)](https://appshunter.io/ios/app/hdreye/id1566721813/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/tridiar/id1593706196/reviews) |
| Number of ratings | **776** | 2 |
| Positive reviews | **28.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 90 MB | 166 MB |
| Requires iOS | 15.0 | **11** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [HDReye Technologies Inc.](https://appshunter.io/developer/1691298419) | [Dorjan Vulaj](https://appshunter.io/developer/1245630128) |

## What reviewers say

### HDReye

[App page](https://appshunter.io/ios/app/hdreye/id1566721813)

Create custom 360° HDRi images for realistic 3D lighting and compositing directly from your phone. Capture bracketed panoramas and generate 32-bit EXR files for seamless integration with 3D software and AR development.

**Highlights:** Create 360° HDRi images, Shoot bracketed multi-exposure panoramas, Generate 32-bit .EXR files, Realistic 3D lighting and compositing, Image-based lighting solution, Access to crowdsourced HDRi collection

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HDReye Pro | $6.99 | per month |
| HDReye Pro | $6.99 | per month |
| HDReye Pro | $39.99 | per year |
| Asset unlock | $2.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 High-quality stitching
- 💡 Convenient for VFX work
- 🚀 Fast processing
- 👍 Intuitive workflow

**What reviewers complain about**

- 🔒 Paywall to preview/download
- 🐛 Inconsistent stitching quality
- 💰 Expensive subscription model
- 🐛 Crashes and server issues
- 🔒 No offline processing

**Reported bugs**

- Account deletion issues
- Stuck on processing/uploading
- Disappearing credits

**Requested features**

- Free trial or preview option
- Ability to stitch locally on device
- One-time purchase option
- Improved stitching algorithm


### Tridiar

[App page](https://appshunter.io/ios/app/tridiar/id1593706196)

Create immersive 360 and 3D virtual tours with this all-in-one app. It allows you to capture, edit, and publish your tours to various platforms. A 360 camera is required for operation.

**Highlights:** Create 360 and 3D virtual tours, Edit 360 images, Publish tours to Tridiar profile, Publish tours to other platforms, All-in-one tour creation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HDReye free?

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

### Is Tridiar free?

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

### Which has better reviews, HDReye or Tridiar?

HDReye is rated higher. HDReye averages 4.5 out of 5 from 776 ratings, while Tridiar averages 3.0 from 2 ratings.

### Do HDReye or Tridiar have ads?

Neither HDReye nor Tridiar shows ads.

### Which is updated more often, HDReye or Tridiar?

HDReye ships an update monthly, and Tridiar every 6 weeks. Most recently, HDReye was updated on November 7, 2026 and Tridiar on November 3, 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.*