4th Wall vs The Foundering
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
The Foundering
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This augmented reality site-specific artwork, designed by artist John Fillwalk and the IDIA Lab team at Ball State University, allows visitors to use their phones to transform a location by introducing virtual elements that connect to their surrounds. Employing animated 3D objects and sound, the site transports the visitor to an augmented virtual experience within familiar surroundings.
Screenshots
Verdict
4th Wall and The Foundering are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
4th Wall ships an update every 11 days, The Foundering weekly. The most recent releases landed on September 20, 2026 and September 11, 2026 respectively.
| Parameter | 4th Wall | The Foundering |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (42 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 42 — better | — |
| Update frequency | Every 11 days | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 298 MB | 226 MB |
| Age rating | 12+ | 4+ |
| Developer | Nancy Baker Cahill Studio, Inc | IDIA Lab |
In-app purchases
4th Wall
No in-app purchases
The Foundering
No in-app purchases
Questions
Is 4th Wall free?
Is The Foundering free?
Do 4th Wall or The Foundering have ads?
Which is updated more often, 4th Wall or The Foundering?
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