Comparison

HDReye vs Tridiar

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HDReye

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
Read full description

Finally, an app to shoot 360° HDRis with your phone. HDReye is the first and only iOS app for creating custom 360° HDRi images for realistic 3D lighting and compositing. Just select your desired dynamic range, follow the prompts to shoot a bracketed multi-exposure panorama of your location, and HDReye will stitch and generate a 32-bit (.EXR format) HDRi of your location. HDReye is an essential app for combining 3D animation realistically with footage or capturing lightmaps of any location. What used to require an expensive 360° camera or chrome ball light probe, now can be done conveniently on your phone with HDReye. Whether you are an independent 3D artist, VFX studio, AR developer, NFT artist, content creator, or just a hobbyist - HDReye is here to make your workflow simpler and renders more realistic. HDReye is your image-based lighting solution. Compatible with all 3D packages and render engines including Cinema 4D, Blender, Houdini, Maya, 3D Studio Max, Adobe After Effects, Element 3D, OTOY Octane Render, Redshift, V-ray, Arnold, Unreal Engine, Unity, Spark AR, and more. HDReye users also have access to the largest crowdsourced collection of HDRi images in the world. HDReye also works well for capturing 360° panoramas similar to the Google Street View app. Terms of Use: http://hdreye.app/terms/ Privacy Policy: http://hdreye.app/privacy/

About

Tridiar

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
Read full description

All-In-One Virtual Tour creator app. From creating a property, adding & editing the 360 images, to publishing to your Tridiar profile & other platforms you use.

Screenshots

HDReye4 screens
Tridiar4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard6 real differences · 4 level
HDReye versus Tridiar: the parameters behind the verdict, then further details
ParameterHDReyeTridiar
PriceFreeFree
Rating4.5 (776 ratings) — better3.0 (2 ratings)
Positive reviews28.4% of reviews — better0.0% of reviews
Number of ratings776 — better2
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011 — better
Further details — not scored
Size90 MB166 MB
Age rating4+17+
DeveloperHDReye Technologies Inc.Dorjan Vulaj

Customer experience

HDReye

All ratings776 ratings
Positive88.3%
Neutral2.7%
Negative9.0%
Written reviews190 reviews
Positive28.4%
Neutral5.3%
Negative66.3%

Tridiar

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

HDReye

Reported bugs

3 issues
  • Account deletion issues
  • Stuck on processing/uploading
  • Disappearing credits

Requested features

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

Tridiar

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

HDReye

Subscriptions3
  • HDReye Pro$6.991 Month
  • HDReye Pro3 Days trial$6.991 Month
  • HDReye Pro$39.991 Year
One-time1
  • Asset unlock$2.99
None

Tridiar

No in-app purchases

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.

Other comparisons