# Xiaoxiang BMS vs OctoApp for OctoPrint/Klipper

The clearest difference is rating: OctoApp for OctoPrint/Klipper at 4.9 against Xiaoxiang BMS's 3.6. OctoApp for OctoPrint/Klipper also leads on review sentiment (93% vs 55%) and ads (none vs shown). Xiaoxiang BMS's advantage is iOS requirement (15.0 vs 17.6). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Xiaoxiang BMS sells 1 one-off in-app purchase and OctoApp for OctoPrint/Klipper sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

OctoApp for OctoPrint/Klipper holds the better App Store score, 4.9 against 3.6. That said, the two scores are not equally well evidenced: OctoApp for OctoPrint/Klipper has 1.3K ratings behind it against 67, so its average is the more settled of the two. Written reviews point the same way: 55% of Xiaoxiang BMS's written reviews are positive against 93% of OctoApp for OctoPrint/Klipper's.

Xiaoxiang BMS ships an update every 3 weeks, OctoApp for OctoPrint/Klipper every 10 days. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Xiaoxiang BMS | OctoApp for OctoPrint/Klipper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (67 ratings)](https://appshunter.io/ios/app/xiaoxiang-bms/id1375405426/reviews) | **[4.9 (1.3K ratings)](https://appshunter.io/ios/app/octoapp-for-octoprintklipper/id1658133862/reviews)** |
| Number of ratings | 67 | **1.3K** |
| Positive reviews | 54.9% of reviews | **92.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 249 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Erhard Christian Wurthner](https://appshunter.io/developer/1658133864) |

## What reviewers say

### Xiaoxiang BMS

[App page](https://appshunter.io/ios/app/xiaoxiang-bms/id1375405426)

Monitor and manage your Bluetooth-enabled battery management systems (BMS) for Li-Ion and LiFePo4 packs. Track cell voltage, capacity, current, and temperature. Switch battery outputs on/off and configure settings remotely.

**Highlights:** Monitor cell voltage, capacity, current, and temperature, Switch battery output on/off, Calibrate cell voltage and current, Configure balancer and BMS capacity, Change Bluetooth advertised name, Unlock hardware protected BMS (firmware v20+), Set PIN code for BMS access

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $7.99 | one-time |


### OctoApp for OctoPrint/Klipper

[App page](https://appshunter.io/ios/app/octoapp-for-octoprintklipper/id1658133862)

Control and monitor your 3D printer remotely with this advanced application. Prepare prints, manage files, and tune settings with a user-friendly interface optimized for mobile devices. Supports OctoPrint, Klipper, and various printer brands.

**Highlights:** Remote print monitoring and control, Easy print preparation, Full file and terminal access, Webcam and multi-cam support, Notifications for print and filament status, Gcode Viewer, Support for multiple printers and plugins

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support for 1 month | $0.99 | per month |
| Support for 1 year | $6.99 | per year |
| All features (Transfer) | Free | one-time |
| All features | $11.99 | one-time |
| All features | $12.99 | one-time |
| All features | $17.99 | one-time |

**What reviewers like**

- 🚀 Excellent remote monitoring and control
- 👍 Seamless integration with OctoPrint and plugins
- 💡 Customizable and flexible UI
- 🔒 Secure remote access with OctoEverywhere
- ⭐ Exceptional customer support

**What reviewers complain about**

- 🐛 Occasional connectivity issues
- 🔌 Unreliable remote access at times

**Reported bugs**

- Incorrect notifications for print progress
- Compatibility issues with some printer models

**Requested features**

- Add support for Klipper-based printer firmwares
- Implement iOS widgets for quick status checks
- Improve camera rotation options


## Frequently asked questions

### Is Xiaoxiang BMS free?

Xiaoxiang BMS is free to download, with in-app purchases available.

### Is OctoApp for OctoPrint/Klipper free?

OctoApp for OctoPrint/Klipper is free to download, with in-app purchases available.

### Which has better reviews, Xiaoxiang BMS or OctoApp for OctoPrint/Klipper?

OctoApp for OctoPrint/Klipper is rated higher. Xiaoxiang BMS averages 3.6 out of 5 from 67 ratings, while OctoApp for OctoPrint/Klipper averages 4.9 from 1.3K ratings.

### Do Xiaoxiang BMS or OctoApp for OctoPrint/Klipper have ads?

Xiaoxiang BMS shows ads; OctoApp for OctoPrint/Klipper does not.

### Which is updated more often, Xiaoxiang BMS or OctoApp for OctoPrint/Klipper?

Xiaoxiang BMS ships an update every 3 weeks, and OctoApp for OctoPrint/Klipper every 10 days. Most recently, Xiaoxiang BMS was updated on November 6, 2026 and OctoApp for OctoPrint/Klipper on November 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.*