# DrugsPRO Guide vs Sonic

The clearest difference is in-app purchases: Sonic at none against DrugsPRO Guide's 3. Sonic also leads on update cadence (daily vs weekly). DrugsPRO Guide's advantage is device support (4 vs 1) and iOS requirement (17.6 vs 26.0). On price and ads there is nothing between them.

Both are free to download. DrugsPRO Guide sells 3 in-app purchases, starting at $0.99 per month. Sonic asks for nothing beyond the download.

DrugsPRO Guide ships an update weekly, Sonic daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DrugsPRO Guide | Sonic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/drugspro-guide/id6758899429/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 12 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Chemical Safety sp. z o.o.](https://appshunter.io/developer/1875610240) | [Nikita Kasatkin](https://appshunter.io/developer/6771750290) |

## What reviewers say

### DrugsPRO Guide

[App page](https://appshunter.io/ios/app/drugspro-guide/id6758899429)

This app provides comprehensive information on psychoactive substances, including effects, risks, and interactions. It offers tools for journaling, drug checking, and interpreting test kit results to promote safer, informed choices.

**Highlights:** Psychoactive substance library, Drug interaction engine, Substance journaling, Drug checking warnings, Test kit analysis tools, Offline functionality

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DrugsPRO LiveActivity Monthly | $0.99 | per month |
| DrugsPRO LiveActivity Yearly | $3.99 | per year |
| DrugsPRO LiveActivity Lifetime | $8.99 | one-time |


### Sonic

[App page](https://appshunter.io/ios/app/sonic-flashcards-app/id6815359869)

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

**In-app purchases:** none


## Frequently asked questions

### Is DrugsPRO Guide free?

DrugsPRO Guide is free to download, with in-app purchases available.

### Is Sonic free?

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

### Do DrugsPRO Guide or Sonic have ads?

Neither DrugsPRO Guide nor Sonic shows ads.

### Which is updated more often, DrugsPRO Guide or Sonic?

DrugsPRO Guide ships an update weekly, and Sonic daily. Most recently, DrugsPRO Guide was updated on November 5, 2026 and Sonic on October 31, 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.*