# evowera NSO vs Haavii

The clearest difference is iOS requirement: Haavii at 10.0 against evowera NSO's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

evowera NSO ships an update every 2 weeks, Haavii every 9 days. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | evowera NSO | Haavii |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (7 ratings)](https://appshunter.io/ios/app/evowera-nso/id1632803630/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 166 MB | 415 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shen Zhen EVOWERA TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1493153340) | [Guangzhou Stars Pulse Co.,Ltd.](https://appshunter.io/developer/1492225826) |

## What reviewers say

### evowera NSO

[App page](https://appshunter.io/ios/app/evowera-nso/id1632803630)

Connect to smart oral care devices to track your daily cleaning habits. View detailed data, receive instructions, and customize personal preferences and settings for improved oral hygiene.

**Highlights:** Connects to smart hardware, View daily oral cleaning data, Receive cleaning instructions, Set personal preferences, Customize parameters

**Features:** macOS Compatibility

**In-app purchases:** none


### Haavii

[App page](https://appshunter.io/ios/app/haavii/id1636430741)

**In-app purchases:** none


## Frequently asked questions

### Is evowera NSO free?

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

### Is Haavii free?

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

### Do evowera NSO or Haavii have ads?

Neither evowera NSO nor Haavii shows ads.

### Which is updated more often, evowera NSO or Haavii?

evowera NSO ships an update every 2 weeks, and Haavii every 9 days. Most recently, evowera NSO was updated on October 15, 2026 and Haavii on October 13, 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.*