Comparison

4th Wall vs Behind The Wall

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

Head to head
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

About

Behind The Wall

Explore vibrant street art through augmented reality and discover the stories and artists behind each mural. This app offers an immersive art experience with audio guides, providing insights into the creation process and opportunities to engage with the art community.

Highlights
  • Augmented reality street art viewing
  • Discover mural stories and inspiration
  • Artist biographies and techniques
  • Engage with the street art community
  • Audio-guide features
  • Street art walk planner
Features
Read full description

Enjoy street art, feel inspired and discover the stories behind the spectacular murals created by the street artists of Street Art for Mankind. This app brings together augmented reality content and audio-guide features to offer a rich and unique Art experience. Like for the hummingbird, let’s all do our share to build together a more child-friendly world, one drop at a time! ---------- MORE ---------- How it works: * Find Street Art for Mankind murals * Scan murals, pictures of murals and paintings around you to discover: the story and inspiration behind the making, the artists bios & techniques; statistics and how you can engage to make a difference. * Enjoy a street art walk! And walk from wall to wall to discover more.

Screenshots

4th Wall4 screens
Behind The Wall4 screens

Verdict

The call

The clearest difference is review sentiment: 4th Wall at 67% against Behind The Wall's 0%. 4th Wall also leads on rating (4.5 vs 3.9) and update cadence (every 11 days vs every 2 months). Behind The Wall's advantage is iOS requirement (12.0 vs 15.0). 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. 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 3.9. Both are backed by a comparable volume of ratings — 42 and 25 respectively. Written reviews point the same way: 67% of 4th Wall's written reviews are positive against 0% of Behind The Wall's.

UpkeepUpdate frequency

4th Wall ships an update every 11 days, Behind The Wall every 2 months. The most recent releases landed on September 5, 2026 and September 14, 2026 respectively.

Scorecard4 real differences · 6 level
4th Wall versus Behind The Wall: the parameters behind the verdict, then further details
Parameter4th WallBehind The Wall
PriceFreeFree
Rating4.5 (42 ratings) — better3.9 (25 ratings)
Positive reviews66.7% of reviews — better0.0% of reviews
Number of ratings42 — better25
Update frequencyEvery 11 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size298 MB356 MB
Age rating12+4+
DeveloperNancy Baker Cahill Studio, IncStreet Art Mankind Corp

Customer experience

4th Wall

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

Behind The Wall

All ratings25 ratings
Positive72.0%
Neutral0.0%
Negative28.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

4th Wall

No in-app purchases

None

Behind The Wall

No in-app purchases

Questions

Is 4th Wall free?
4th Wall is free to download, with no in-app purchases.
Is Behind The Wall free?
Behind The Wall is free to download, with no in-app purchases.
Which has better reviews, 4th Wall or Behind The Wall?
4th Wall is rated higher. 4th Wall averages 4.5 out of 5 from 42 ratings, while Behind The Wall averages 3.9 from 25 ratings.
Do 4th Wall or Behind The Wall have ads?
Neither 4th Wall nor Behind The Wall shows ads.
Which is updated more often, 4th Wall or Behind The Wall?
4th Wall ships an update every 11 days, and Behind The Wall every 2 months. Most recently, 4th Wall was updated on September 5, 2026 and Behind The Wall on September 14, 2026.

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