# smart 12V+ vs Monster Smart App

The clearest difference is rating: Monster Smart App at 4.6 against smart 12V+'s 1.5. Monster Smart App also leads on ratings volume (26K vs 111) and review sentiment (25% vs 4%). smart 12V+'s advantage is update cadence (every 3 weeks vs every 5 months). 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.

Monster Smart App holds the better App Store score, 4.6 against 1.5. That said, the two scores are not equally well evidenced: Monster Smart App has 26K ratings behind it against 111, so its average is the more settled of the two. Written reviews point the same way: 4% of smart 12V+'s written reviews are positive against 25% of Monster Smart App's.

smart 12V+ ships an update every 3 weeks, Monster Smart App every 5 months. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | smart 12V+ | Monster Smart App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (111 ratings)](https://appshunter.io/ios/app/smart-12v-plus/id1384085096/reviews) | **[4.6 (26K ratings)](https://appshunter.io/ios/app/monster-smart-app/id1447483342/reviews)** |
| Number of ratings | 111 | **26K** |
| Positive reviews | 4.0% of reviews | **25.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 36 MB | 233 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [兴高 汪](https://appshunter.io/developer/1195509761) | [Monster Inc.](https://appshunter.io/developer/928625333) |

## What reviewers say

### smart 12V+

[App page](https://appshunter.io/ios/app/smart-12v-plus/id1384085096)

Monitor your vehicle's 12V battery in real-time via Bluetooth. Track voltage, analyze battery health, and view historical data. The app also records the last known location if the device disconnects, and allows for custom lighting modes and music playback to enhance your vehicle's atmosphere.

**Highlights:** Real-time battery voltage monitoring, Automatic battery health analysis, 7-day and 30-day electricity records, Last known location tracking, Customizable display light modes, Music file playback integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Monster Smart App

[App page](https://appshunter.io/ios/app/monster-smart-app/id1447483342)

Control your home appliances remotely from anywhere. Manage multiple devices simultaneously, set timers for automated functions, and easily share access with family members. The app offers a simple and quick connection process to your smart devices.

**Highlights:** Remote appliance control, Simultaneous multi-device management, Automated timer functions, Family device sharing, Easy device connection

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Decent functionality
- 💡 Customizable scenes
- 🔒 Works with Alexa

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 Glitchy app
- 🐛 Unreliable performance
- 🔋 Poor adhesive quality

**Reported bugs**

- Lights disappearing from app
- Incorrect on/off status
- Frequent disconnections
- Incompatible with 5GHz WiFi

**Requested features**

- Dark mode option
- Bluetooth connectivity
- Ability to control individual LEDs
- Improved music sync features


## Frequently asked questions

### Is smart 12V+ free?

smart 12V+ is free to download, with no in-app purchases.

### Is Monster Smart App free?

Monster Smart App is free to download, with no in-app purchases.

### Which has better reviews, smart 12V+ or Monster Smart App?

Monster Smart App is rated higher. smart 12V+ averages 1.5 out of 5 from 111 ratings, while Monster Smart App averages 4.6 from 26K ratings.

### Do smart 12V+ or Monster Smart App have ads?

Neither smart 12V+ nor Monster Smart App shows ads.

### Which is updated more often, smart 12V+ or Monster Smart App?

smart 12V+ ships an update every 3 weeks, and Monster Smart App every 5 months. Most recently, smart 12V+ was updated on October 21, 2026 and Monster Smart App 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.*