# HF vs Mini EMS

The clearest difference is update cadence: Mini EMS at every 3 weeks against HF's every 17 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.

HF ships an update every 17 months, Mini EMS every 3 weeks. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | HF | Mini EMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mini-ems/id6448044595/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 4 MB | 37 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hi-Flying](https://appshunter.io/developer/588224788) | [英 张](https://appshunter.io/developer/1682824182) |

## What reviewers say

### HF

[App page](https://appshunter.io/ios/app/hf-smartlink-v8/id1093336666)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mini EMS

[App page](https://appshunter.io/ios/app/mini-ems/id6448044595)

Monitor and manage your photovoltaic inverter system remotely. Configure Wi-Fi connections, view power station performance, and access equipment details. Receive real-time alerts and perform remote operations for optimal system management.

**Highlights:** WIFI configuration for PV inverters, Login and power station list display, View equipment running status and generation, Power station and equipment information overview, Equipment operation flow chart, Daily power plant record with error/warning info, Remote settings and operations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HF free?

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

### Is Mini EMS free?

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

### Do HF or Mini EMS have ads?

Neither HF nor Mini EMS shows ads.

### Which is updated more often, HF or Mini EMS?

HF ships an update every 17 months, and Mini EMS every 3 weeks. Most recently, HF was updated on September 28, 2026 and Mini EMS on October 2, 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.*