# CTE Energy vs Octopus BMS Lite

The clearest difference is update cadence: CTE Energy at every 4 months against Octopus BMS Lite's every 12 months. Octopus BMS Lite's advantage is iOS requirement (12.0 vs 17.6). 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.

CTE Energy ships an update every 4 months, Octopus BMS Lite every 12 months. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | CTE Energy | Octopus BMS Lite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Size | 53 MB | 32 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [仁义 樊](https://appshunter.io/developer/1406210820) | [Shanghai Xinzhiheng Electronic Technology Co., Ltd.](https://appshunter.io/developer/1745374020) |

## What reviewers say

### CTE Energy

[App page](https://appshunter.io/ios/app/cte-energy/id6502897105)

**Features:** macOS Compatibility

**In-app purchases:** none


### Octopus BMS Lite

[App page](https://appshunter.io/ios/app/octopus-bms-lite/id6505063095)

**In-app purchases:** none


## Frequently asked questions

### Is CTE Energy free?

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

### Is Octopus BMS Lite free?

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

### Do CTE Energy or Octopus BMS Lite have ads?

Neither CTE Energy nor Octopus BMS Lite shows ads.

### Which is updated more often, CTE Energy or Octopus BMS Lite?

CTE Energy ships an update every 4 months, and Octopus BMS Lite every 12 months. Most recently, CTE Energy was updated on October 11, 2026 and Octopus BMS Lite on October 12, 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.*