# RoBuster vs Void Flux

The clearest difference is price: RoBuster at Free against Void Flux's $1.99. RoBuster also leads on update cadence (daily vs every 5 days). Void Flux's advantage is ads (none vs shown) and chart position (#115 vs unranked). On in-app purchases and iOS requirement there is nothing between them.

RoBuster is free to download; Void Flux costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RoBuster ships an update daily, Void Flux every 5 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | RoBuster | Void Flux |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 5 days |
| Best chart rank | — | **#115** |
| Size | 199 MB | 43 MB |
| Requires iOS | **17** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Mac, Apple TV, Vision Pro** |
| Age rating | 12+ | 4+ |
| Developer | [Daniel Garcia Llera](https://appshunter.io/developer/1886783629) | [Damian Sowinski](https://appshunter.io/developer/6778287434) |

## What reviewers say

### RoBuster

[App page](https://appshunter.io/ios/app/robuster/id6760917499)

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

**In-app purchases:** none


### Void Flux

[App page](https://appshunter.io/ios/app/void-flux/id6778287432)

**Currently charting:** #115 Top Paid · Casual, #136 Top Paid · Puzzle (US App Store)

**In-app purchases:** none


## Frequently asked questions

### Is RoBuster free?

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

### Is Void Flux free?

Void Flux costs $1.99, with no in-app purchases.

### Do RoBuster or Void Flux have ads?

RoBuster shows ads; Void Flux does not.

### Which is updated more often, RoBuster or Void Flux?

RoBuster ships an update daily, and Void Flux every 5 days. Most recently, RoBuster was updated on October 7, 2026 and Void Flux on October 8, 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.*