# i vs Live BMS

The clearest difference is update cadence: Live BMS at every 6 days against i's every 2 months. i's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (10.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for i against 5.0 for Live BMS. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

i ships an update every 2 months, Live BMS every 6 days. The most recent releases landed on October 4, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | i | Live BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/i-string/id1547563821/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/live-bms/id6790271833/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 4 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Heng Chih Huang](https://appshunter.io/developer/1063165534) | [Tim Jones](https://appshunter.io/developer/1886978098) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-string/id1547563821)

Control two-color lamp strings with a simple, intuitive interface. Intelligently manage colorful and white lights, and customize display patterns through the app's functions.

**Highlights:** Control two-color lamp strings, Manage colorful and white lights, Remote control-like interface, Intelligent display pattern control, Simple and easy operation

**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 i free?

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

### Is Live BMS free?

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

### Which has better reviews, i or Live BMS?

i and Live BMS are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do i or Live BMS have ads?

Neither i nor Live BMS shows ads.

### Which is updated more often, i or Live BMS?

i ships an update every 2 months, and Live BMS every 6 days. Most recently, i was updated on October 4, 2026 and Live BMS on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*