Comparison

Portal Door vs Falling Filter

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

Head to head
About

Portal Door

This app transforms doorways into interactive portals. Frame your doorway with your camera to activate a unique sound effect whenever someone passes through.

Highlights
  • Transform doorways into portals
  • Augmented reality camera integration
  • Customizable portal framing
  • Sound effects for passage
  • Interactive doorway experience
Read full description

Transform any doorway into a portal to another dimension with one tap. Parents have made Portal Door the centerpiece of block-game themed birthday parties, and kids keep asking to walk through it long after the novelty should have worn off. Point your camera at a doorway, frame the opening, and watch a dimensional glow creep across the threshold — every crossing announced by a sound that echoes from somewhere just beyond the visible. Portal Door is an augmented reality app that uses your device camera to place a glowing portal effect inside any real-world doorway. Nothing to download separately, no special hardware required, no accounts to create. Tap, frame the doorway, step back, and watch. For the party host Hosting a birthday party with a block-game or dungeon-adventure theme? Open Portal Door on a phone or tablet before guests arrive and prop it up near the entrance. A group of kids walking through a full-size glowing portal beats any paper banner or printed decoration — and the only cleanup is closing the app. Parents who've tried it report that the portal becomes the moment the whole party remembers, and that kids keep circling back to walk through it again long after they've moved on to cake. For the AR demo Trying to show someone what augmented reality can actually do? Portal Door is the demo that sticks. While most AR apps overlay stickers on a tabletop, Portal Door turns a real hallway into the effect. Point, frame, step back, watch someone walk through. The reaction is immediate and loud. For the classroom Teachers and after-school educators have used Portal Door to spark conversations about augmented reality, how cameras work, and how devices model three-dimensional space. There's no more vivid illustration of a device "understanding" its surroundings than letting a student walk through a doorway that, on screen, leads somewhere entirely else. For Halloween No decorations required. Set Portal Door running on a tablet near the front door and every visitor steps through a glowing dimensional vortex before they ever reach the candy bowl. No assembly, no power cables, no cleanup once the last guest has gone through. For content creators Video makers have used Portal Door for walkthroughs, reaction shoots, and "what's behind this door?" hooks. Place a phone on a stand at the far end of a hallway, open Portal Door, frame the opening, and you have a visual premise before you've written a single word of script. The reaction shot writes itself. For game night Running a tabletop RPG campaign with a dungeon or portal-jump theme? Open Portal Door on the doorframe of the gaming room before players arrive. Walking through a glowing dimensional rift to reach the table is a level of scene-setting no playlist or printed map can match. What players are saying The highest-rated review in Portal Door's history comes from a parent who set the app up at a block-game themed kids' birthday party. Their verdict: it was super cool, and the kids kept walking back through the door for more. That's the experience Portal Door is built for — the kind of moment that gets talked about on the drive home. Frequently Asked Questions How do I use Portal Door? 1. Open Portal Door on your iPhone or iPad. 2. Point the camera at any doorway and frame the opening. 3. Step back — the portal effect appears instantly. Walk through to trigger the sound. Does Portal Door require an internet connection? No. Once downloaded, Portal Door runs entirely on-device. No network connection is needed. Does it collect any data? Portal Door does not collect personal information, analytics, or usage data. The camera feed is processed on-device and never uploaded anywhere. What devices does it support? Portal Door runs on iPhone and iPad with iOS 15 or later. No LiDAR sensor or special hardware is required — just the device camera. NOT AN OFFICIAL MINECRAFT PRODUCT. NOT APPROVED BY OR ASSOCIATED WITH MOJANG OR MICROSOFT.

About

Falling Filter

Easily transform everyday moments into engaging loop videos with unique motion effects. Apply filters with a single tap to create playful, surprising, and shareable clips in seconds.

Highlights
  • Create loop videos
  • Apply motion effects
  • One-tap filter application
  • Instant preview
  • Save and share videos
  • Record or import video
Features
Read full description

Falling Filter – Funny Loop Turn simple moments into eye-catching loop videos. Falling Filter – Funny Loop helps you create fun, dynamic clips with smooth motion and seamless looping. Record, apply an effect, and instantly transform your video into something playful, surprising, and ready to share. No editing skills needed. [ Create in Seconds ] Capture a moment or upload a clip, then apply a filter with one tap. Preview instantly and save or share your video right away. Fast, simple, and satisfying. *** Signature Effects *** Loop Motion *** Create seamless looping videos that feel smooth and continuous. [ Falling Style ] * Add a playful sense of motion for unexpected, funny moments. [ Wavy Distortion ] * Bring soft, fluid movement to your clips. [ Whirlpool Spin ] * Add dynamic rotation for bold, eye-catching visuals. Perfect for: - Short videos and social posts - Funny clips with friends - Creative experiments - Capturing reactions Whether you want something playful or visually striking, this app makes it easy. • Record or import video • Apply effects with one tap • Instant preview • Save or share in seconds --> Download now and start creating loop videos with a unique twist. All personal data is protected in accordance with the Terms of Use and Privacy Policy: https://nexifyvn.com/terms https://nexifyvn.com/privacy

Screenshots

Portal Door2 screens
Falling Filter4 screens

Verdict

The call

The clearest difference is rating: Falling Filter at 4.6 against Portal Door's 3.0. Falling Filter also leads on ratings volume (2.3K vs 2) and update cadence (every 5 days vs fortnightly). Portal Door's advantage is in-app purchases (none vs 3) and review sentiment (50% vs 16%). On price, ads, device support and iOS requirement 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. Falling Filter sells 3 in-app purchases, starting at $4.99 per 7 days. Portal Door asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Falling Filter holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Falling Filter has 2.3K ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 50% of Portal Door's written reviews are positive against 16% of Falling Filter's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Portal Door ships an update fortnightly, Falling Filter every 5 days. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.

Scorecard6 real differences · 4 level
Portal Door versus Falling Filter: the parameters behind the verdict, then further details
ParameterPortal DoorFalling Filter
PriceFreeFree
Rating3.0 (2 ratings)4.6 (2.3K ratings) — better
Positive reviews50.0% of reviews — better15.6% of reviews
Number of ratings22.3K — better
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterAd-supported
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617 — better
Further details — not scored
Size1 MB92 MB
Age rating4+4+
DeveloperRiddim Software CorporationHai Nguyen Minh

Customer experience

Portal Door

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Falling Filter

All ratings2,279 ratings
Positive88.4%
Neutral3.2%
Negative8.4%
Written reviews77 reviews
Positive15.6%
Neutral1.3%
Negative83.1%

In-app purchases

None

Portal Door

No in-app purchases

3 purchases

Falling Filter

Subscriptions3
  • Weekly Trial Plan3 Days trial$4.997 Days
  • Yearly Sale Off$14.991 Year
  • Yearly Subscription Plan$19.991 Year

Questions

Is Portal Door free?
Portal Door is free to download, with no in-app purchases.
Is Falling Filter free?
Falling Filter is free to download, with in-app purchases available.
Which has better reviews, Portal Door or Falling Filter?
Falling Filter is rated higher. Portal Door averages 3.0 out of 5 from 2 ratings, while Falling Filter averages 4.6 from 2.3K ratings.
Do Portal Door or Falling Filter have ads?
Neither Portal Door nor Falling Filter shows ads.
Which is updated more often, Portal Door or Falling Filter?
Portal Door ships an update fortnightly, and Falling Filter every 5 days. Most recently, Portal Door was updated on October 2, 2026 and Falling Filter on October 16, 2026.

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