# Behavidence Research App vs Weianji

The clearest difference is iOS requirement: Behavidence Research App at 15.6 against Weianji's 17.0. 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.

## The numbers

| Metric | Behavidence Research App | Weianji |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/behavidence-research-app/id1600102496/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 49 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Behavidence](https://appshunter.io/developer/1600102498) | [毅 刘](https://appshunter.io/developer/6773351330) |

## What reviewers say

### Behavidence Research App

[App page](https://appshunter.io/ios/app/behavidence-research-app/id1600102496)

This app uses machine learning to passively monitor mental health conditions through digital biomarkers. Users can complete daily questionnaires and contribute anonymized behavioral data to aid in future detection of depression, anxiety, and ADHD.

**Highlights:** Machine learning-based detection, Passive digital biomarker monitoring, Daily psychological questionnaires, Anonymized behavioral data collection, Assists with remote management

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

**In-app purchases:** none


### Weianji

[App page](https://appshunter.io/ios/app/weianji/id6776474713)

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

**In-app purchases:** none


## Frequently asked questions

### Is Behavidence Research App free?

Behavidence Research App is free to download, with no in-app purchases.

### Is Weianji free?

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

### Do Behavidence Research App or Weianji have ads?

Neither Behavidence Research App nor Weianji shows ads.

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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.*