# Y'u Bubble vs viiiv

The clearest difference is in-app purchases: viiiv at none against Y'u Bubble's 1. viiiv also leads on iOS requirement (12.0 vs 15.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Y'u Bubble sells 1 one-off in-app purchase. viiiv asks for nothing beyond the download.

Y'u Bubble ships an update every 3 months, viiiv every 2 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Y'u Bubble | viiiv |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/viiiv/id1414467092/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 27 MB | 36 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Sofia perez pavon](https://appshunter.io/developer/1113733194) | [Less Is More LLC](https://appshunter.io/developer/1224697876) |

## What reviewers say

### Y'u Bubble

[App page](https://appshunter.io/ios/app/yu-bubble/id1066021912)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contenido | $15.99 | one-time |


### viiiv

[App page](https://appshunter.io/ios/app/viiiv/id1414467092)

This app facilitates isometric strength training by connecting to specialized hardware. It allows users to select from various exercises, track real-time force data, and view progress reports with trend graphs. Users can log their sessions, create group accounts for clients, and share detailed performance summaries.

**Highlights:** 8+ isometric exercises, Real-time force data graphing, User account for data logging, Group accounts for clients, Progress reports with trend lines, Sharable 2-page session reports

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Y'u Bubble free?

Y'u Bubble is free to download, with in-app purchases available.

### Is viiiv free?

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

### Do Y'u Bubble or viiiv have ads?

Neither Y'u Bubble nor viiiv shows ads.

### Which is updated more often, Y'u Bubble or viiiv?

Y'u Bubble ships an update every 3 months, and viiiv every 2 months. Most recently, Y'u Bubble was updated on October 10, 2026 and viiiv on October 24, 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.*