# DrGrouper vs YellowGrid

The clearest difference is update cadence: YellowGrid at fortnightly against DrGrouper's every 9 months. DrGrouper's advantage is iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and monetization model 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, YellowGrid fortnightly. The most recent releases landed on September 24, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | DrGrouper | YellowGrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yellowgrid/id6747118921/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 38 MB | 94 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [REEA SRL](https://appshunter.io/developer/309575020) | [YellowGrid](https://appshunter.io/developer/1896555484) |

## 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


### YellowGrid

[App page](https://appshunter.io/ios/app/yellowgrid/id6747118921)

Monitor your solar energy production and consumption in real time. Track your earnings from selling surplus energy to the grid and manage your battery reserves. Connect your solar system to a network for trading and receive monthly proceeds.

**Highlights:** Real-time energy production and consumption monitoring, Surplus energy tracking to the grid, Earnings and monthly payment tracking, Battery capacity reservation, Connect solar systems for energy trading, Assistance with solar installation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DrGrouper free?

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

### Is YellowGrid free?

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

### Do DrGrouper or YellowGrid have ads?

Neither DrGrouper nor YellowGrid shows ads.

### Which is updated more often, DrGrouper or YellowGrid?

DrGrouper ships an update every 9 months, and YellowGrid fortnightly. Most recently, DrGrouper was updated on September 24, 2026 and YellowGrid on September 26, 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.*