# Otiflow vs Propulsor

The clearest difference is update cadence: Otiflow at weekly against Propulsor's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Otiflow ships an update weekly, Propulsor every 4 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | Otiflow | Propulsor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Size | 44 MB | 25 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [MRL SISTEMAS EMPRESARIAIS LTDA](https://appshunter.io/developer/1473954007) | [Marco Aurelio Muller](https://appshunter.io/developer/1345988237) |

## What reviewers say

### Otiflow

[App page](https://appshunter.io/ios/app/otiflow/id6476418946)

**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 Otiflow free?

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

### Is Propulsor free?

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

### Do Otiflow or Propulsor have ads?

Neither Otiflow nor Propulsor shows ads.

### Which is updated more often, Otiflow or Propulsor?

Otiflow ships an update weekly, and Propulsor every 4 months. Most recently, Otiflow was updated on October 7, 2026 and Propulsor on October 7, 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.*