# Swesim vs Envac ReFlow

The clearest difference is update cadence: Envac ReFlow at every 6 days against Swesim's every 5 months. Envac ReFlow also leads on iOS requirement (15.1 vs 17.5). 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.

Swesim ships an update every 5 months, Envac ReFlow every 6 days. Both last shipped on October 19, 2026.

## The numbers

| Metric | Swesim | Envac ReFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Size | 46 MB | 66 MB |
| Requires iOS | 17.5 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Zarins](https://appshunter.io/developer/1501538799) | [Envac AB](https://appshunter.io/developer/1315553653) |

## What reviewers say

### Swesim

[App page](https://appshunter.io/ios/app/swesim/id1501538800)

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

**In-app purchases:** none


### Envac ReFlow

[App page](https://appshunter.io/ios/app/envac-reflow/id1600435505)

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

**In-app purchases:** none


## Frequently asked questions

### Is Swesim free?

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

### Is Envac ReFlow free?

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

### Do Swesim or Envac ReFlow have ads?

Neither Swesim nor Envac ReFlow shows ads.

### Which is updated more often, Swesim or Envac ReFlow?

Swesim ships an update every 5 months, and Envac ReFlow every 6 days. Most recently, Swesim was updated on October 19, 2026 and Envac ReFlow on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*