Comparison

i3DPortrait vs Matte Viewer

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

Head to head
About

i3DPortrait

Create 3D photos from portrait images by extracting depth maps. Adjust depth effects and rotation, then save or share your creations with other 3D editing applications.

Highlights
  • Extract depth map from portrait photos
  • Create 3D photos
  • Adjust depth effect
  • Rotate 3D photos
  • Save in SBS format
  • Share with other 3D apps
Features
Read full description

This is an application that extracts a depth map image from a portrait photo with depth effect taken with an iPhone, and creates a 3D photo from the original photo and the depth map image. You can adjust the depth effect, rotation, save the created 3D photo in SBS format, and share it with other 3D editing apps such as i3DSteroid.

About

Matte Viewer

This app allows you to preview and export depth and semantic maps from your iPhone photos. It offers an elegant interface and supports desktop-class features on iPad and Mac. The app prioritizes user privacy and has a very small file size.

Highlights
  • Preview depth and semantic maps
  • Export mattes for 3rd party software
  • Elegant and information-dense interface
  • Desktop-class features on iPad/Mac
  • Privacy-focused with no tracking
  • Small app size
Features
Read full description

Matte Viewer lets you quickly preview the mattes in photos taken with your iPhone, including the depth map and semantic maps. You can export them and use them in 3rd party software such as Photoshop, Touch Designer, in custom shaders, and so on. To have the most matte data available in your photos, use the Portrait mode in iPhone's Camera. - Elegant and information dense interface that quickly lets you preview all the different mattes. - Supports desktop class features on iPad + Mac: multiple windows, open through drag & drop, keyboard shortcuts, etc. - Respects your privacy: no 3rd party libraries or tracking. Uses the latest iOS APIs so you don't have to give access to your whole photo library. - Extremely small app size: only a few hundred kilobytes. Matte Viewer is part of PhotoTools by Héliographe: check out our website at https://heliographe.studio for more fantastic photography apps.

Screenshots

i3DPortrait4 screens
Matte Viewer3 screens

Verdict

The call

The clearest difference is review sentiment: i3DPortrait at 50% against Matte Viewer's 0%. i3DPortrait also leads on rating (4.0 vs 3.0) and iOS requirement (14.0 vs 16.0). Matte Viewer's advantage is update cadence (monthly vs every 4 months). On price, ratings volume, ads and in-app purchases 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. i3DPortrait sells 1 one-off in-app purchase and Matte Viewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

i3DPortrait holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 50% of i3DPortrait's written reviews are positive against 0% of Matte Viewer's.

UpkeepUpdate frequency

i3DPortrait ships an update every 4 months, Matte Viewer monthly. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 6 level
i3DPortrait versus Matte Viewer: the parameters behind the verdict, then further details
Parameteri3DPortraitMatte Viewer
PriceFreeFree
Rating4.0 (4 ratings) — better3.0 (2 ratings)
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings4 — better2
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS14.0 — better16.0
Further details — not scored
Size4 MB3 MB
Age rating4+4+
DeveloperSpmakerHéliographe, Inc

Customer experience

i3DPortrait

All ratings4 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

Matte Viewer

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

In-app purchases

1 purchases

i3DPortrait

One-time1
  • Save images in high resolution$1.99
1 purchases

Matte Viewer

One-time1
  • Unlock Export$4.99

Questions

Is i3DPortrait free?
i3DPortrait is free to download, with in-app purchases available.
Is Matte Viewer free?
Matte Viewer is free to download, with in-app purchases available.
Which has better reviews, i3DPortrait or Matte Viewer?
i3DPortrait is rated higher. i3DPortrait averages 4.0 out of 5 from 4 ratings, while Matte Viewer averages 3.0 from 2 ratings.
Do i3DPortrait or Matte Viewer have ads?
Neither i3DPortrait nor Matte Viewer shows ads.
Which is updated more often, i3DPortrait or Matte Viewer?
i3DPortrait ships an update every 4 months, and Matte Viewer monthly. Most recently, i3DPortrait was updated on September 8, 2026 and Matte Viewer on September 18, 2026.

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