# Random42 AR Stories vs Pendulum Lab

The clearest difference is price: Random42 AR Stories at Free against Pendulum Lab's $0.99. Random42 AR Stories also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs every 5 weeks). On ads and device support there is nothing between them.

Random42 AR Stories is free to download; Pendulum Lab costs $0.99 up front. Pendulum Lab sells 1 one-off in-app purchase. Random42 AR Stories asks for nothing beyond the download.

Random42 AR Stories ships an update every 2 days, Pendulum Lab every 5 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Random42 AR Stories | Pendulum Lab |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Size | 141 MB | 4 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Random42](https://appshunter.io/developer/1012918309) | [hyeonsu jeong](https://appshunter.io/developer/1628268684) |

## What reviewers say

### Random42 AR Stories

[App page](https://appshunter.io/ios/app/random42-ar-stories/id1551976312)

**In-app purchases:** none


### Pendulum Lab

[App page](https://appshunter.io/ios/app/pendulum-lab/id6661026555)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Triple Pendulum Unlock | $0.99 | one-time |


## Frequently asked questions

### Is Random42 AR Stories free?

Random42 AR Stories is free to download, with no in-app purchases.

### Is Pendulum Lab free?

Pendulum Lab costs $0.99, and also offers in-app purchases.

### Do Random42 AR Stories or Pendulum Lab have ads?

Neither Random42 AR Stories nor Pendulum Lab shows ads.

### Which is updated more often, Random42 AR Stories or Pendulum Lab?

Random42 AR Stories ships an update every 2 days, and Pendulum Lab every 5 weeks. Most recently, Random42 AR Stories was updated on October 6, 2026 and Pendulum Lab on October 4, 2026.

---

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