# Navien Smart Plus vs BOXT

The clearest difference is review sentiment: BOXT at 60% against Navien Smart Plus's 13%. Navien Smart Plus's advantage is iOS requirement (13.0 vs 15.1). 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.

Navien Smart Plus ships an update every 5 weeks, BOXT every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Navien Smart Plus | BOXT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/navien-smart-plus/id1453634078/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 12.7% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 37 MB | 44 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KD Navien](https://appshunter.io/developer/456445012) | [BOXT Limited](https://appshunter.io/developer/1293772669) |

## What reviewers say

### 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


### BOXT

[App page](https://appshunter.io/ios/app/boxt/id1623854865)

This app serves as a comprehensive companion for customers, simplifying the post-purchase experience. It allows users to manage bookings, receive important updates, access documents, and get expert support. Additionally, users can earn rewards through the platform.

**Highlights:** Manage and track bookings, Receive important updates, Access important documents, Get expert support, Earn rewards

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Navien Smart Plus free?

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

### Is BOXT free?

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

### Do Navien Smart Plus or BOXT have ads?

Neither Navien Smart Plus nor BOXT shows ads.

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

Navien Smart Plus ships an update every 5 weeks, and BOXT every 2 months. Most recently, Navien Smart Plus was updated on November 2, 2026 and BOXT on November 3, 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.*