# Visibility THUB vs Propulsor

Visibility THUB and Propulsor are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Visibility THUB ships an update every 3 months, Propulsor every 4 months. The most recent releases landed on September 8, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | Visibility THUB | Propulsor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 30 MB | 25 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Raul Calligaris](https://appshunter.io/developer/1655387188) | [Marco Aurelio Muller](https://appshunter.io/developer/1345988237) |

## What reviewers say

### Visibility THUB

[App page](https://appshunter.io/ios/app/visibility-thub/id6444572685)

**Features:** macOS Compatibility

**In-app purchases:** none


### Propulsor

[App page](https://appshunter.io/ios/app/propulsor/id6755545421)

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

**In-app purchases:** none


## Frequently asked questions

### Is Visibility THUB free?

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

### Is Propulsor free?

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

### Do Visibility THUB or Propulsor have ads?

Neither Visibility THUB nor Propulsor shows ads.

### Which is updated more often, Visibility THUB or Propulsor?

Visibility THUB ships an update every 3 months, and Propulsor every 4 months. Most recently, Visibility THUB was updated on September 8, 2026 and Propulsor on August 14, 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.*