# 4th Wall vs BOB Shrine

The clearest difference is review sentiment: BOB Shrine at 100% against 4th Wall's 67%. BOB Shrine also leads on rating (4.9 vs 4.5) and iOS requirement (11.0 vs 15.0). 4th Wall's advantage is ratings volume (42 vs 14). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BOB Shrine holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 42 and 14 respectively. Written reviews point the same way: 67% of 4th Wall's written reviews are positive against 100% of BOB Shrine's.

Both ship on a similar rhythm, roughly every 11 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 4th Wall | BOB Shrine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (42 ratings)](https://appshunter.io/ios/app/4th-wall/id1325881248/reviews) | **[4.9 (14 ratings)](https://appshunter.io/ios/app/bob-shrine/id1450014502/reviews)** |
| Number of ratings | **42** | 14 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | Every 11 days |
| Monetization | Free | Free |
| Size | 298 MB | 87 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Nancy Baker Cahill Studio, Inc](https://appshunter.io/developer/1600490816) | [Ian Cheng](https://appshunter.io/developer/1028910280) |

## What reviewers say

### 4th Wall

[App page](https://appshunter.io/ios/app/4th-wall/id1325881248)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### BOB Shrine

[App page](https://appshunter.io/ios/app/bob-shrine/id1450014502)

Create offerings for an AI creature named BOB, inspired by an art installation. Name your shrine, select offerings, and add lessons. The app automates the production of your offerings as stimuli for BOB to experience.

**Highlights:** Create offerings for AI creature BOB, Name and customize your shrine, Choose from a variety of offerings, Caption offerings with parental lessons, Automated stimulus production for BOB, Experience an interactive art installation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 4th Wall free?

4th Wall is free to download, with no in-app purchases.

### Is BOB Shrine free?

BOB Shrine is free to download, with no in-app purchases.

### Which has better reviews, 4th Wall or BOB Shrine?

BOB Shrine is rated higher. 4th Wall averages 4.5 out of 5 from 42 ratings, while BOB Shrine averages 4.9 from 14 ratings.

### Do 4th Wall or BOB Shrine have ads?

Neither 4th Wall nor BOB Shrine shows ads.

### Which is updated more often, 4th Wall or BOB Shrine?

4th Wall ships an update every 11 days, and BOB Shrine every 11 days. Most recently, 4th Wall was updated on October 24, 2026 and BOB Shrine on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*