# Transparency Harm Reduction vs PartyWise!

The clearest difference is rating: PartyWise! at 5.0 against Transparency Harm Reduction's 3.7. PartyWise! also leads on update cadence (every 5 days vs every 3 weeks) and device support (3 vs 1). Transparency Harm Reduction's advantage is in-app purchases (none vs 7). On price, ratings volume, ads and iOS requirement there is nothing between them.

Both are free to download. PartyWise! sells 7 in-app purchases, starting at $2.99 per month. Transparency Harm Reduction asks for nothing beyond the download.

PartyWise! holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 6 and 10 respectively.

Transparency Harm Reduction ships an update every 3 weeks, PartyWise! every 5 days. The most recent releases landed on October 22, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Transparency Harm Reduction | PartyWise! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (6 ratings)](https://appshunter.io/ios/app/transparency-harm-reduction/id6504291757/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/partywise/id6757278608/reviews)** |
| Number of ratings | 6 | **10** |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 10 MB |
| Requires iOS | **17.0** | 18.1 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 17+ |
| Developer | [Infinite Transparency](https://appshunter.io/developer/1751743572) | [Stefano Anania](https://appshunter.io/developer/1849469222) |

## What reviewers say

### Transparency Harm Reduction

[App page](https://appshunter.io/ios/app/transparency-harm-reduction/id6504291757)

This AI-powered app offers immediate guidance for substance testing, featuring a database of reaction videos and advice on kit usage. It aims to make substance testing accessible and easy with expert-backed information.

**Highlights:** AI-powered substance testing guidance, Database of over 1,100 lab-verified reaction videos, Instructions on how to test substances, Test kit recommendations, Access to testing guides and help, Direct links to purchase test kits

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

**In-app purchases:** none


### PartyWise!

[App page](https://appshunter.io/ios/app/partywise/id6757278608)

This app offers private, science-backed information on various substances to help users understand risks and make safer decisions. It includes dosage guides, timelines, effects, and harm reduction tools like an interaction checker and emergency quick-access.

**Highlights:** Private data storage, Substance profiles with dosage guides, Interaction checker, Testing and aftercare guides, Smart search functionality, Emergency quick-access button

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hydration Hero | $2.99 | per month |
| Night Owl | $1.99 | one-time |
| Baby Raver | $4.99 | one-time |
| Vibe Curator | $9.99 | one-time |
| Guestlist VIP | $19.99 | one-time |
| Main Stage Headliner | $49.99 | one-time |
| Afterparty Angel | $99.99 | one-time |


## Frequently asked questions

### Is Transparency Harm Reduction free?

Transparency Harm Reduction is free to download, with no in-app purchases.

### Is PartyWise! free?

PartyWise! is free to download, with in-app purchases available.

### Which has better reviews, Transparency Harm Reduction or PartyWise!?

PartyWise! is rated higher. Transparency Harm Reduction averages 3.7 out of 5 from 6 ratings, while PartyWise! averages 5.0 from 10 ratings.

### Do Transparency Harm Reduction or PartyWise! have ads?

Neither Transparency Harm Reduction nor PartyWise! shows ads.

### Which is updated more often, Transparency Harm Reduction or PartyWise!?

Transparency Harm Reduction ships an update every 3 weeks, and PartyWise! every 5 days. Most recently, Transparency Harm Reduction was updated on October 22, 2026 and PartyWise! on October 18, 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.*