Comparison

After Ice vs 4th Wall

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

Head to head
About

After Ice

Explore the impacts of global warming and climate change through augmented reality. This app visualizes future scenarios of ice melt and sea level rise based on scientific data, showing potential changes in your location.

Highlights
  • Augmented reality climate change visualization
  • Data-backed future scenarios
  • Simulates ice melt and sea level rise
  • NYC sea level rise projections (2080s)
  • Artist intervention and collaboration
Features
Read full description

Experience climate change and the effects of global warming through augmented reality! After Ice simulates your location in various data-backed future scenarios of global ice melt and sea level rise. Additionally, it lets you see the NASA-projected* effect of sea level rise accurately within a 100 mile radius of New York City in the 2080s — within the lifetime of children alive today. After Ice is an artist intervention via mobile app, a collaboration between visual artist Justin Brice Guariglia and award-winning app development studios Strange Flavour and second verse. *Projections for NYC come from NASA/GISS & NPCC data and accurate within a 100 mile radius of New York City, and includes storm and tidal surge estimates in it’s visualization. Total melt projections come from the Woods Hole Coastal and Marine Science Center.

About

4th Wall

Experience public art in augmented reality. Discover curated AR exhibitions at significant locations or place 3D artworks in your own environment. Engage with art that activates historical sites and inspires dialogue.

Highlights
  • Augmented reality public art exhibitions
  • Site-specific AR artworks
  • Place 3D dimensional drawings
  • Record and share AR creations
  • Explore historically significant sites
  • Sound integration for artworks
Features
Read full description

4th Wall is a free, augmented reality (AR) public art platform exploring inclusive creative expression. “Coordinates” hosts an ongoing series of curated, collaborative, site specific, public AR art exhibitions. Users are invited to be physically present at specific locations to experience AR artworks in situ. When users select the Coordinates feature, based on their location, they will be directed toward artworks – translated into AR-- created by artists that activate the historically, politically or culturally significant sites they have chosen. “Coordinates” aims to inspire thoughtful dialogue and expand our understanding of public art. By pressing the AR Artworks button, users can view, explore and place Nancy Baker Cahill’s dimensional drawings in the environment of their choice. Drawings can be rotated, scaled, placed and recorded by user. What’s New - A more streamlined experience for the user, with the removal of the hologram, studio experience and Desert X exhibition buttons and an expansion of the curated and site-specific “Coordinates” AR public art exhibitions platform. - Artworks may include sound so make sure to check for the new orange sound button at the top of the menu when observing an artwork on site. - The “Refresh” button updates the nearest artwork depending on the user’s location. - The “About” button directs users to the home page for 4thwallapp.org. Users can re-enter the app by tapping the text, “4th Wall” at the upper left hand corner of their screens. 4th Wall App is available on iPhone 6s iOS11 or above. Founding artist and Creative Director: Nancy Baker Cahill App Developer: Drive Studios ©nancybakercahill2019

Screenshots

After Ice4 screens
4th Wall4 screens

Verdict

The call

The clearest difference is rating: 4th Wall at 4.5 against After Ice's 3.1. 4th Wall also leads on review sentiment (67% vs 57%) and ratings volume (42 vs 10). After Ice's advantage is update cadence (every 2 days vs every 11 days) and iOS requirement (7.0 vs 15.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

4th Wall holds the better App Store score, 4.5 against 3.1. Both are backed by a comparable volume of ratings — 10 and 42 respectively. Written reviews point the same way: 57% of After Ice's written reviews are positive against 67% of 4th Wall's.

UpkeepUpdate frequency

After Ice ships an update every 2 days, 4th Wall every 11 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
After Ice versus 4th Wall: the parameters behind the verdict, then further details
ParameterAfter Ice4th Wall
PriceFreeFree
Rating3.1 (10 ratings)4.5 (42 ratings) — better
Positive reviews57.1% of reviews66.7% of reviews — better
Number of ratings1042 — better
Update frequencyEvery 2 days — betterEvery 11 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS7.0 — better15.0
Further details — not scored
Size83 MB298 MB
Age rating4+12+
DeveloperGhostwheelNancy Baker Cahill Studio, Inc

Customer experience

After Ice

All ratings10 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews7 reviews
Positive57.1%
Neutral0.0%
Negative42.9%

4th Wall

All ratings42 ratings
Positive85.7%
Neutral4.8%
Negative9.5%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

After Ice

No in-app purchases

None

4th Wall

No in-app purchases

Questions

Is After Ice free?
After Ice is free to download, with no in-app purchases.
Is 4th Wall free?
4th Wall is free to download, with no in-app purchases.
Which has better reviews, After Ice or 4th Wall?
4th Wall is rated higher. After Ice averages 3.1 out of 5 from 10 ratings, while 4th Wall averages 4.5 from 42 ratings.
Do After Ice or 4th Wall have ads?
Neither After Ice nor 4th Wall shows ads.
Which is updated more often, After Ice or 4th Wall?
After Ice ships an update every 2 days, and 4th Wall every 11 days. Most recently, After Ice was updated on October 2, 2026 and 4th Wall on October 7, 2026.

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