# metr.at vs DALY BMS

The clearest difference is review sentiment: metr.at at 88% against DALY BMS's 9%. metr.at also leads on rating (4.7 vs 1.8) and device support (4 vs 2). DALY BMS's advantage is update cadence (every 8 days vs every 4 weeks). 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.

metr.at holds the better App Store score, 4.7 against 1.8. Both are backed by a comparable volume of ratings — 19 and 12 respectively. Written reviews point the same way: 88% of metr.at's written reviews are positive against 9% of DALY BMS's.

metr.at ships an update every 4 weeks, DALY BMS every 8 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | metr.at | DALY BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/metrat/id1165745913/reviews)** | [1.8 (12 ratings)](https://appshunter.io/ios/app/daly-bms/id6738759485/reviews) |
| Number of ratings | **19** | 12 |
| Positive reviews | **87.5% of reviews** | 9.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 8 days** |
| Monetization | Free | Free |
| Size | 65 MB | 57 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Voyage Systems AB](https://appshunter.io/developer/1710124681) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## What reviewers say

### metr.at

[App page](https://appshunter.io/ios/app/metrat/id1165745913)

This app measures and records electrical data like current, voltage, and RPM for compatible devices. It allows users to track routes on Google Maps, view detailed charts, and create videos with data overlays. Users can also share their recorded data and adjust speed modes.

**Highlights:** Measure current, voltage, RPM, speed, Record and upload data online, Track route on Google Maps, View detailed interactive charts, Share data links, Change speed modes, Create videos with data overlay

**Features:** macOS Compatibility

**In-app purchases:** none


### DALY BMS

[App page](https://appshunter.io/ios/app/daly-bms/id6738759485)

Monitor and manage your lithium battery's status. Query battery string information, identify and replace abnormal cells, and set safety parameters. Receive alerts for battery faults and track their occurrences.

**Highlights:** Unique Bluetooth name for accurate connection, Query battery string status, Identify and replace abnormal batteries, Set and read battery protection parameters, Monitor and display battery fault alarms

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is metr.at free?

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

### Is DALY BMS free?

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

### Which has better reviews, metr.at or DALY BMS?

metr.at is rated higher. metr.at averages 4.7 out of 5 from 19 ratings, while DALY BMS averages 1.8 from 12 ratings.

### Do metr.at or DALY BMS have ads?

Neither metr.at nor DALY BMS shows ads.

### Which is updated more often, metr.at or DALY BMS?

metr.at ships an update every 4 weeks, and DALY BMS every 8 days. Most recently, metr.at was updated on October 4, 2026 and DALY BMS on October 6, 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.*