# PhyOTA vs evowera NSO

The clearest difference is rating: evowera NSO at 2.1 against PhyOTA's 1.0. evowera NSO also leads on review sentiment (29% vs 0%) and update cadence (every 2 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 2.1 against 1.0. That said, the two scores are not equally well evidenced: evowera NSO has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of PhyOTA's written reviews are positive against 29% of evowera NSO's.

PhyOTA ships an update every 6 weeks, evowera NSO every 2 weeks. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PhyOTA | evowera NSO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/phyota/id1492851629/reviews) | **[2.1 (7 ratings)](https://appshunter.io/ios/app/evowera-nso/id1632803630/reviews)** |
| Number of ratings | 1 | **7** |
| Positive reviews | 0.0% of reviews | **28.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 166 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [奉加微电子](https://appshunter.io/developer/1472300997) | [Shen Zhen EVOWERA TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1493153340) |

## What reviewers say

### PhyOTA

[App page](https://appshunter.io/ios/app/phyota/id1492851629)

This utility app facilitates over-the-air (OTA) upgrades for BLE chips. It supports various chip generations and features like Xip and encrypted OTA functionality, offering a simple integration demo.

**Highlights:** BLE chip OTA upgrades, Support for 1st gen 6202 chips, Support for 2nd gen 6212 chips, Long packet transmission, Xip support, Encrypted OTA functionality

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is PhyOTA free?

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

### Is evowera NSO free?

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

### Which has better reviews, PhyOTA or evowera NSO?

evowera NSO is rated higher. PhyOTA averages 1.0 out of 5 from 1 ratings, while evowera NSO averages 2.1 from 7 ratings.

### Do PhyOTA or evowera NSO have ads?

Neither PhyOTA nor evowera NSO shows ads.

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

PhyOTA ships an update every 6 weeks, and evowera NSO every 2 weeks. Most recently, PhyOTA was updated on October 4, 2026 and evowera NSO on October 15, 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.*