# HACS vs Octopus BMS Link

The clearest difference is update cadence: Octopus BMS Link at every 3 months against HACS's every 19 months. HACS's advantage is iOS requirement (11.0 vs 13.0). 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.

HACS ships an update every 19 months, Octopus BMS Link every 3 months. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | HACS | Octopus BMS Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/octopus-bms-link/id6756600102/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 1 MB | 31 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京优能易创软件技术有限公司](https://appshunter.io/developer/983459698) | [Shanghai Xinzhiheng Electronic Technology Co., Ltd.](https://appshunter.io/developer/1745374020) |

## What reviewers say

### HACS

[App page](https://appshunter.io/ios/app/hacs/id1497456193)

**Features:** macOS Compatibility

**In-app purchases:** none


### Octopus BMS Link

[App page](https://appshunter.io/ios/app/octopus-bms-link/id6756600102)

Monitor and manage your battery systems remotely via Bluetooth or WiFi. Get real-time data, smart alerts, and optimize energy usage for various applications like home storage and electric vehicles.

**Highlights:** Dual-mode Bluetooth and WiFi connectivity, Real-time battery data monitoring, Smart alerts and safety protection, Centralized multi-device management, Data analysis and reporting, Remote control and settings adjustment

**In-app purchases:** none


## Frequently asked questions

### Is HACS free?

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

### Is Octopus BMS Link free?

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

### Do HACS or Octopus BMS Link have ads?

Neither HACS nor Octopus BMS Link shows ads.

### Which is updated more often, HACS or Octopus BMS Link?

HACS ships an update every 19 months, and Octopus BMS Link every 3 months. Most recently, HACS was updated on October 25, 2026 and Octopus BMS Link on October 7, 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.*