# DT Smart Battery vs BLÜ

The clearest difference is review sentiment: BLÜ at 55% against DT Smart Battery's 0%. BLÜ also leads on rating (3.5 vs 1.5) and update cadence (fortnightly vs every 3 months). DT Smart Battery's advantage is iOS requirement (11.0 vs 13.0). 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.

BLÜ holds the better App Store score, 3.5 against 1.5. Both are backed by a comparable volume of ratings — 8 and 17 respectively. Written reviews point the same way: 0% of DT Smart Battery's written reviews are positive against 55% of BLÜ's.

DT Smart Battery ships an update every 3 months, BLÜ fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | DT Smart Battery | BLÜ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (8 ratings)](https://appshunter.io/ios/app/dt-smart-battery/id1446858822/reviews) | **[3.5 (17 ratings)](https://appshunter.io/ios/app/blu/id1463447042/reviews)** |
| Number of ratings | 8 | **17** |
| Positive reviews | 0.0% of reviews | **54.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 28 MB | 18 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [应刚 郑](https://appshunter.io/developer/1446858821) | [Tim Diasti](https://appshunter.io/developer/1448095690) |

## 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


### BLÜ

[App page](https://appshunter.io/ios/app/blu/id1463447042)

This app, paired with a smart toothbrush, helps users and their families develop better oral hygiene habits. It uses advanced tracking to ensure complete coverage, offers personalized recommendations, and allows sharing data with dental professionals. Gamified features encourage consistent brushing for all ages.

**Highlights:** Brush location detection with smart tracking, Family monitoring and peer competition, Personalized brushing recommendations, Dentist/hygienist data sharing, Smart brushing timer (2 minutes), Brush head replacement alerts

**Features:** macOS Compatibility

**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 BLÜ free?

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

### Which has better reviews, DT Smart Battery or BLÜ?

BLÜ is rated higher. DT Smart Battery averages 1.5 out of 5 from 8 ratings, while BLÜ averages 3.5 from 17 ratings.

### Do DT Smart Battery or BLÜ have ads?

Neither DT Smart Battery nor BLÜ shows ads.

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

DT Smart Battery ships an update every 3 months, and BLÜ fortnightly. Most recently, DT Smart Battery was updated on October 24, 2026 and BLÜ on October 24, 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.*