# DT Smart Battery vs Smart FM+

The clearest difference is review sentiment: Smart FM+ at 50% against DT Smart Battery's 0%. Smart FM+ also leads on rating (2.3 vs 1.5) and update cadence (every 3 weeks vs every 3 months). On price, ratings volume, 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.

Smart FM+ holds the better App Store score, 2.3 against 1.5. Both are backed by a comparable volume of ratings — 8 and 15 respectively. Written reviews point the same way: 0% of DT Smart Battery's written reviews are positive against 50% of Smart FM+'s.

DT Smart Battery ships an update every 3 months, Smart FM+ every 3 weeks. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | DT Smart Battery | Smart FM+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (8 ratings)](https://appshunter.io/ios/app/dt-smart-battery/id1446858822/reviews) | **[2.3 (15 ratings)](https://appshunter.io/ios/app/smart-fm-plus/id1476802817/reviews)** |
| Number of ratings | 8 | **15** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 28 MB | 17 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [应刚 郑](https://appshunter.io/developer/1446858821) | [桂标 曾](https://appshunter.io/developer/985954900) |

## What reviewers say

### DT Smart Battery

[App page](https://appshunter.io/ios/app/dt-smart-battery/id1446858822)

Monitor your smart battery pack's performance and status remotely via Bluetooth. View real-time data like voltage, current, temperature, and remaining power. Receive alerts for critical conditions and set custom reminders.

**Highlights:** Real-time battery status monitoring, Voltage, current, and temperature readings, Remaining power percentage, Protection information alerts, Individual cell voltage monitoring, Customizable power and temperature reminders

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart FM+

[App page](https://appshunter.io/ios/app/smart-fm-plus/id1476802817)

This app helps you locate your parked car using your phone's location and Bluetooth connectivity. It also monitors your car's battery voltage and provides historical data. Simply plug in the transmitter, connect via Bluetooth, and set your car radio to a matching FM frequency.

**Highlights:** Car-seeking positioning, Voltage detection, FM frequency settings, Bluetooth connectivity, Parking location recording, Map navigation to car

**In-app purchases:** none


## Frequently asked questions

### Is DT Smart Battery free?

DT Smart Battery is free to download, with no in-app purchases.

### Is Smart FM+ free?

Smart FM+ is free to download, with no in-app purchases.

### Which has better reviews, DT Smart Battery or Smart FM+?

Smart FM+ is rated higher. DT Smart Battery averages 1.5 out of 5 from 8 ratings, while Smart FM+ averages 2.3 from 15 ratings.

### Do DT Smart Battery or Smart FM+ have ads?

Neither DT Smart Battery nor Smart FM+ shows ads.

### Which is updated more often, DT Smart Battery or Smart FM+?

DT Smart Battery ships an update every 3 months, and Smart FM+ every 3 weeks. Most recently, DT Smart Battery was updated on October 24, 2026 and Smart FM+ on October 9, 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.*