# DrGrouper vs Hailei Smart Energy

The clearest difference is update cadence: DrGrouper at every 9 months against Hailei Smart Energy's every 23 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.

DrGrouper ships an update every 9 months, Hailei Smart Energy every 23 months. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DrGrouper | Hailei Smart Energy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 23 months |
| Monetization | Free | — |
| Size | 38 MB | 167 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [REEA SRL](https://appshunter.io/developer/309575020) | [Shen Zhen Hailei New Energy Co., Ltd](https://appshunter.io/developer/1737150028) |

## What reviewers say

### DrGrouper

[App page](https://appshunter.io/ios/app/drgrouper/id1069842893)

This utility app calculates the relative value for any medical case based on DRG grouping. It includes all diagnostic and procedure codes with search functionality and a medical events calendar. The app is designed for physicians and does not collect personal patient data.

**Highlights:** DRG grouping for relative case value, Comprehensive diagnostic codes, Comprehensive procedure codes, Search by code or keyword, Medical events calendar, No personal patient data used

**In-app purchases:** none


### Hailei Smart Energy

[App page](https://appshunter.io/ios/app/hailei-smart-energy/id6479731914)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DrGrouper free?

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

### Is Hailei Smart Energy free?

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

### Do DrGrouper or Hailei Smart Energy have ads?

Neither DrGrouper nor Hailei Smart Energy shows ads.

### Which is updated more often, DrGrouper or Hailei Smart Energy?

DrGrouper ships an update every 9 months, and Hailei Smart Energy every 23 months. Most recently, DrGrouper was updated on October 11, 2026 and Hailei Smart Energy on October 10, 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.*