# OPGMobility IOT vs Live BMS

The clearest difference is update cadence: Live BMS at every 6 days against OPGMobility IOT's every 5 weeks. OPGMobility IOT's advantage is iOS requirement (15.6 vs 17.0). 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.

OPGMobility IOT ships an update every 5 weeks, Live BMS every 6 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OPGMobility IOT | Live BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/live-bms/id6790271833/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 51 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [EFFICIENT IT AND ELECTRONICS SERVICES PRIVATE LIMITED](https://appshunter.io/developer/1725458091) | [Tim Jones](https://appshunter.io/developer/1886978098) |

## What reviewers say

### OPGMobility IOT

[App page](https://appshunter.io/ios/app/opgmobility-iot/id6757752921)

**Features:** macOS Compatibility

**In-app purchases:** none


### Live BMS

[App page](https://appshunter.io/ios/app/live-bms/id6790271833)

Monitor multiple LiFePO4 batteries from a single dashboard. View real-time data like charge, voltage, temperature, and cycle count. Get estimates for time to full or empty, and track battery health and performance.

**Highlights:** Unified dashboard for all batteries, Real-time charge, voltage, and current, Per-cell voltage monitoring, Time to full/empty estimates, Battery bank grouping, Trip tracking and history, Remote output control

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OPGMobility IOT free?

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

### Is Live BMS free?

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

### Do OPGMobility IOT or Live BMS have ads?

Neither OPGMobility IOT nor Live BMS shows ads.

### Which is updated more often, OPGMobility IOT or Live BMS?

OPGMobility IOT ships an update every 5 weeks, and Live BMS every 6 days. Most recently, OPGMobility IOT was updated on October 25, 2026 and Live BMS 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.*