# NADA2go vs HSG Exten

The clearest difference is update cadence: HSG Exten at every 3 weeks against NADA2go's every 4 months. NADA2go's advantage is iOS requirement (12.0 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.

NADA2go ships an update every 4 months, HSG Exten every 3 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | NADA2go | HSG Exten |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 36 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [kultwerk GmbH](https://appshunter.io/developer/457889187) | [tewesol UG (haftungsbeschraenkt)](https://appshunter.io/developer/814943319) |

## What reviewers say

### NADA2go

[App page](https://appshunter.io/ios/app/nada2go/id532478926)

Check medication for doping relevance in the NADAmed database, find doping-free treatments, and assess the doping risk of supplements. Access anti-doping information, tools, and lists for clean performance. Download now to use tools offline and personalize content with favorites and watchlists.

**Highlights:** Medication doping relevance check, Find doping-free treatments, Assess supplement doping risk, Offline tool usage, Personalized favorites and watchlists, Contact relevant NADA personnel

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

**In-app purchases:** none


### HSG Exten

[App page](https://appshunter.io/ios/app/hsg-exten-rinteln/id1499464543)

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

**In-app purchases:** none


## Frequently asked questions

### Is NADA2go free?

NADA2go is free to download, with no in-app purchases.

### Is HSG Exten free?

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

### Do NADA2go or HSG Exten have ads?

Neither NADA2go nor HSG Exten shows ads.

### Which is updated more often, NADA2go or HSG Exten?

NADA2go ships an update every 4 months, and HSG Exten every 3 weeks. Most recently, NADA2go was updated on October 26, 2026 and HSG Exten on October 25, 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.*