# Miele app vs Navien Smart Plus

The clearest difference is rating: Miele app at 4.1 against Navien Smart Plus's 3.7. Miele app also leads on ratings volume (3.6K vs 3) and review sentiment (21% vs 13%). Navien Smart Plus's advantage is iOS requirement (13.0 vs 15.0). 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.

Miele app holds the better App Store score, 4.1 against 3.7. That said, the two scores are not equally well evidenced: Miele app has 3.6K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 21% of Miele app's written reviews are positive against 13% of Navien Smart Plus's.

Miele app ships an update every 2 months, Navien Smart Plus every 5 weeks. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Miele app | Navien Smart Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (3.6K ratings)](https://appshunter.io/ios/app/miele-app-smart-home/id930406907/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/navien-smart-plus/id1453634078/reviews) |
| Number of ratings | **3.6K** | 3 |
| Positive reviews | **21.1% of reviews** | 12.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 389 MB | 37 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Miele & Cie. KG](https://appshunter.io/developer/423543287) | [KD Navien](https://appshunter.io/developer/456445012) |

## What reviewers say

### Miele app

[App page](https://appshunter.io/ios/app/miele-app-smart-home/id930406907)

Control your Miele appliances remotely, monitor their status, and receive notifications. Get insights into usage, find recipes, and access troubleshooting guides. The app also features an in-app shop for accessories.

**Highlights:** Mobile appliance control, Appliance status monitoring, Program notifications, Usage and consumption data, Smart assistance systems, In-app shop for accessories, Remote software updates

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 👍 Useful notifications
- 👍 Convenient remote control
- 👍 Helpful washing assistant
- 👍 Detailed usage tracking

**What reviewers complain about**

- 🐛 Frequent connectivity issues
- 🐛 Unreliable app performance
- 🐛 Confusing user interface
- 🐛 Lack of key features
- 🐛 Slow and unresponsive

**Reported bugs**

- Cannot log in or create account
- Appliances disappear from app
- Delayed start function not working
- Incorrect temperature/time reporting

**Requested features**

- Add ability to turn off end-of-cycle beeping
- Improve TwinDos detergent level tracking
- Allow remote start/stop of appliances
- Integrate with smart home platforms


### Navien Smart Plus

[App page](https://appshunter.io/ios/app/navien-smart-plus/id1453634078)

Control your home's heating and hot water remotely. Monitor energy usage, set schedules, and benefit from intelligent features like geofencing and weather-adaptive adjustments. Ensures comfort and efficiency by learning your habits and responding to external conditions.

**Highlights:** Remote heating and hot water control, Energy usage monitoring, Intelligent learning thermostat, Geofencing capabilities, Weather-adaptive adjustments, Multizone control

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📈 Recent updates improved stability
- 💡 Oil consumption indication useful
- 💡 Cumulative totals and monthly graphs useful
- 💡 App works for remote switching

**What reviewers complain about**

- 🐛 App constantly crashing
- 🐛 App frequently offline
- 🐛 App requires frequent restarts
- 🐛 Scheduling interface difficult
- 🐛 Thermostat has a mind of its own

**Reported bugs**

- App not working since update
- Water heating not being timed
- Energy usage doesn’t work
- Loses info - history
- Glitches so all of a sudden it goes into holiday mode

**Requested features**

- Implement summer time mode
- Add dark mode
- Improve scheduling interface
- Allow duration for boosts
- Show error codes in app


## Frequently asked questions

### Is Miele app free?

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

### Is Navien Smart Plus free?

Navien Smart Plus is free to download, with no in-app purchases.

### Which has better reviews, Miele app or Navien Smart Plus?

Miele app is rated higher. Miele app averages 4.1 out of 5 from 3.6K ratings, while Navien Smart Plus averages 3.7 from 3 ratings.

### Do Miele app or Navien Smart Plus have ads?

Neither Miele app nor Navien Smart Plus shows ads.

### Which is updated more often, Miele app or Navien Smart Plus?

Miele app ships an update every 2 months, and Navien Smart Plus every 5 weeks. Most recently, Miele app was updated on November 6, 2026 and Navien Smart Plus on November 2, 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.*