# 나비엔 스마트톡 보일러 (구버전) vs Brain L

The clearest difference is update cadence: 나비엔 스마트톡 보일러 (구버전) at every 2 months against Brain L's every 5 months. 나비엔 스마트톡 보일러 (구버전) also leads on iOS requirement (10.0 vs 16.0). 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.

나비엔 스마트톡 보일러 (구버전) ships an update every 2 months, Brain L every 5 months. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 나비엔 스마트톡 보일러 (구버전) | Brain L |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (4 ratings)](https://appshunter.io/ios/app/id638684078/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 21.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 74 MB | 86 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [KD Navien](https://appshunter.io/developer/456445012) | [Seunghun Choi](https://appshunter.io/developer/1653894539) |

## What reviewers say

### 나비엔 스마트톡 보일러 (구버전)

[App page](https://appshunter.io/ios/app/id638684078)

This app allowed users to remotely control their Navien boilers via Wi-Fi or cellular networks. It enabled turning the boiler on/off, adjusting heating modes and temperatures, and setting schedules. Note: Service for this app has been discontinued as of September 2, 2024.

**Highlights:** Remote boiler power on/off, Heating mode and temperature adjustment, Scheduled heating settings, Hot water temperature control, Heating intensity adjustment, Wi-Fi and 3G/4G remote access

**Features:** Vision Pro support

**In-app purchases:** none


### Brain L

[App page](https://appshunter.io/ios/app/brain-l-smart-bicycle-lock/id6444325271)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 나비엔 스마트톡 보일러 (구버전) free?

나비엔 스마트톡 보일러 (구버전) is free to download, with no in-app purchases.

### Is Brain L free?

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

### Do 나비엔 스마트톡 보일러 (구버전) or Brain L have ads?

Neither 나비엔 스마트톡 보일러 (구버전) nor Brain L shows ads.

### Which is updated more often, 나비엔 스마트톡 보일러 (구버전) or Brain L?

나비엔 스마트톡 보일러 (구버전) ships an update every 2 months, and Brain L every 5 months. Most recently, 나비엔 스마트톡 보일러 (구버전) was updated on October 23, 2026 and Brain L on October 27, 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.*