# Octopus BMS Link vs SD+ charge

The clearest difference is update cadence: SD+ charge at every 9 days against Octopus BMS Link's every 3 months. 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.

Octopus BMS Link ships an update every 3 months, SD+ charge every 9 days. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Octopus BMS Link | SD+ charge |
| --- | --- | --- |
| 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 3 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 31 MB | 65 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Xinzhiheng Electronic Technology Co., Ltd.](https://appshunter.io/developer/1745374020) | [SANDISOLAR RENEWABLE ENERGY DEVELOPMENT INTERNATIONAL COMPANY LIMITED](https://appshunter.io/developer/1880253338) |

## What reviewers say

### 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


### SD+ charge

[App page](https://appshunter.io/ios/app/sd-plus-charge/id6759696978)

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

**In-app purchases:** none


## Frequently asked questions

### Is Octopus BMS Link free?

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

### Is SD+ charge free?

SD+ charge is free to download, with no in-app purchases.

### Do Octopus BMS Link or SD+ charge have ads?

Neither Octopus BMS Link nor SD+ charge shows ads.

### Which is updated more often, Octopus BMS Link or SD+ charge?

Octopus BMS Link ships an update every 3 months, and SD+ charge every 9 days. Most recently, Octopus BMS Link was updated on October 7, 2026 and SD+ charge on October 28, 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.*