# WatchG30 vs The Public Variable

The clearest difference is price: The Public Variable at Free against WatchG30's $1.99. The Public Variable also leads on rating (5.0 vs 4.0) and update cadence (every 2 weeks vs every 40 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

The Public Variable is free to download; WatchG30 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

The Public Variable holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

WatchG30 ships an update every 40 months, The Public Variable every 2 weeks. The most recent releases landed on October 22, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | WatchG30 | The Public Variable |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/watchg30/id6448919640/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/the-public-variable/id6741500963/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 7 MB | 1.4 GB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ivan Cerra de Castro](https://appshunter.io/developer/321270638) | [John Sullivan](https://appshunter.io/developer/1630479388) |

## What reviewers say

### WatchG30

[App page](https://appshunter.io/ios/app/watchg30/id6448919640)

Pilot a submarine to intercept incoming depth charges launched from a destroyer. Navigate through 10 increasingly challenging levels, each requiring you to intercept 10 charges to advance. Master the controls to fire and move your submarine effectively.

**Highlights:** Submarine control, Depth charge interception, 10 challenging levels, Increasing difficulty, Bonus phase progression

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### The Public Variable

[App page](https://appshunter.io/ios/app/the-public-variable/id6741500963)

Experience a unique augmented reality theatre piece exploring perspective and communication. This evolving digital space will eventually host the full production, offering an immersive artistic experience accessible from anywhere.

**Highlights:** Augmented reality theatre, Perspective exploration, Immersive digital space, Evolving content, Accessible anywhere

**In-app purchases:** none


## Frequently asked questions

### Is WatchG30 free?

WatchG30 costs $1.99, with no in-app purchases.

### Is The Public Variable free?

The Public Variable is free to download, with no in-app purchases.

### Which has better reviews, WatchG30 or The Public Variable?

The Public Variable is rated higher. WatchG30 averages 4.0 out of 5 from 1 ratings, while The Public Variable averages 5.0 from 2 ratings.

### Do WatchG30 or The Public Variable have ads?

Neither WatchG30 nor The Public Variable shows ads.

### Which is updated more often, WatchG30 or The Public Variable?

WatchG30 ships an update every 40 months, and The Public Variable every 2 weeks. Most recently, WatchG30 was updated on October 22, 2026 and The Public Variable on October 12, 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.*