# BYD EnergyMS vs OCH

The clearest difference is update cadence: BYD EnergyMS at every 3 months against OCH's every 13 months. BYD EnergyMS also leads on iOS requirement (10.3 vs 15.1). 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.

BYD EnergyMS ships an update every 3 months, OCH every 13 months. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | BYD EnergyMS | OCH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/byd-energyms/id993573393/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Free | — |
| Size | 6 MB | 24 MB |
| Requires iOS | **10.3** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BYD Company Limited](https://appshunter.io/developer/785163263) | [WeMa Mobile B.V.](https://appshunter.io/developer/494886354) |

## What reviewers say

### BYD EnergyMS

[App page](https://appshunter.io/ios/app/byd-energyms/id993573393)

Monitor the real-time performance of your BYD new energy product remotely. View energy flow diagrams, power curves for the past 48 hours, and daily and total energy consumption data.

**Highlights:** Real-time energy flow diagram, 48-hour power curve display, Daily energy information, Total energy information, Remote performance checking

**Features:** macOS Compatibility

**In-app purchases:** none


### OCH

[App page](https://appshunter.io/ios/app/och/id1451480865)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BYD EnergyMS free?

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

### Is OCH free?

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

### Do BYD EnergyMS or OCH have ads?

Neither BYD EnergyMS nor OCH shows ads.

### Which is updated more often, BYD EnergyMS or OCH?

BYD EnergyMS ships an update every 3 months, and OCH every 13 months. Most recently, BYD EnergyMS was updated on October 6, 2026 and OCH on October 11, 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.*