# Envac ReFlow vs NVAA

The clearest difference is update cadence: Envac ReFlow at every 4 days against NVAA's every 6 weeks. 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.

Envac ReFlow ships an update every 4 days, NVAA every 6 weeks. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Envac ReFlow | NVAA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 weeks |
| Size | 62 MB | 17 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Envac AB](https://appshunter.io/developer/1315553653) | [Norrtalje Vatten och Avfall AB](https://appshunter.io/developer/1777402740) |

## What reviewers say

### Envac ReFlow

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

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

**In-app purchases:** none


### NVAA

[App page](https://appshunter.io/ios/app/nvaa/id6737688698)

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

**In-app purchases:** none


## Frequently asked questions

### Is Envac ReFlow free?

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

### Is NVAA free?

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

### Do Envac ReFlow or NVAA have ads?

Neither Envac ReFlow nor NVAA shows ads.

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

Envac ReFlow ships an update every 4 days, and NVAA every 6 weeks. Most recently, Envac ReFlow was updated on September 15, 2026 and NVAA on September 11, 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.*