# CST Energy vs JBD IOT

The clearest difference is update cadence: JBD IOT at every 3 weeks against CST Energy's every 4 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.

CST Energy ships an update every 4 months, JBD IOT every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CST Energy | JBD IOT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 34 MB | 73 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [亘能科技有限公司](https://appshunter.io/developer/1764914977) | [Dongguan Jiabaida Electronic Science & Technology Co., Ltd.](https://appshunter.io/developer/1420560982) |

## What reviewers say

### CST Energy

[App page](https://appshunter.io/ios/app/cst-energy/id6667113293)

**Features:** macOS Compatibility

**In-app purchases:** none


### JBD IOT

[App page](https://appshunter.io/ios/app/jbd-iot/id6743311807)

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

**In-app purchases:** none


## Frequently asked questions

### Is CST Energy free?

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

### Is JBD IOT free?

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

### Do CST Energy or JBD IOT have ads?

Neither CST Energy nor JBD IOT shows ads.

### Which is updated more often, CST Energy or JBD IOT?

CST Energy ships an update every 4 months, and JBD IOT every 3 weeks. Most recently, CST Energy was updated on October 24, 2026 and JBD IOT 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.*