# Transparency Harm Reduction vs BT Tutor

Transparency Harm Reduction and BT Tutor are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Transparency Harm Reduction | BT Tutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/transparency-harm-reduction/id6504291757/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 3 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Infinite Transparency](https://appshunter.io/developer/1751743572) | [An Huang](https://appshunter.io/developer/1503122853) |

## 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


### BT Tutor

[App page](https://appshunter.io/ios/app/bt-tutor/id6737914181)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Transparency Harm Reduction free?

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

### Is BT Tutor free?

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

### Do Transparency Harm Reduction or BT Tutor have ads?

Neither Transparency Harm Reduction nor BT Tutor shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*