# ASD Connect vs Vision Engage

The clearest difference is ratings volume: Vision Engage at 6.8K against ASD Connect's 4. ASD Connect's advantage is monetization model (free vs ad-supported) and iOS requirement (11.0 vs 15.6). On price, rating, update cadence and ads there is nothing between them.

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

ASD Connect holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Vision Engage has 6.8K ratings behind it against 4, so its average is the more settled of the two.

ASD Connect ships an update fortnightly, Vision Engage every 3 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ASD Connect | Vision Engage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/asd-connect/id1524779509/reviews)** | [4.8 (6.8K ratings)](https://appshunter.io/ios/app/vision-engage/id6443581547/reviews) |
| Number of ratings | 4 | **6.8K** |
| Positive reviews | — | 72.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 37 MB | 41 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [American Sleep Association](https://appshunter.io/developer/1524779511) | [Velocity Clinical Research, Inc.](https://appshunter.io/developer/1647351158) |

## What reviewers say

### ASD Connect

[App page](https://appshunter.io/ios/app/asd-connect/id1524779509)

This app connects users with sleep dentists specializing in sleep apnea treatment. It facilitates video consultations for custom-fitted, FDA-cleared sleep appliances.

**Highlights:** Video consultations with sleep dentists, Custom-fitted sleep appliance fitting, Treatment for sleep apnea, FDA-cleared sleep appliances, Connect with specialists

**In-app purchases:** none


### Vision Engage

[App page](https://appshunter.io/ios/app/vision-engage/id6443581547)

Participate in clinical studies with ease. Explore new opportunities, manage appointments, and receive payments directly through the app. Stay informed about research and communicate with your study site.

**Highlights:** Explore new study opportunities, Build and update participant profile, Receive faster payments, Manage appointments and get reminders, In-app communication with study site, Learn about clinical research

**In-app purchases:** none

**What reviewers like**

- 🤗 Friendly and caring staff
- 👍 Easy-to-use app
- 🚀 Smooth and efficient processes
- 💰 Fair compensation for participation

**What reviewers complain about**

- 🐛 Buggy app with technical issues
- 💤 Slow or delayed payments
- 📢 Excessive notification requests for reviews

**Reported bugs**

- App freezing or crashing
- Login and authentication problems
- Inconsistent or missing data input functionality

**Requested features**

- Ability to search for studies by condition
- Integration with navigation apps for study site locations
- Patient referral function


## Frequently asked questions

### Is ASD Connect free?

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

### Is Vision Engage free?

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

### Which has better reviews, ASD Connect or Vision Engage?

ASD Connect is rated higher. ASD Connect averages 5.0 out of 5 from 4 ratings, while Vision Engage averages 4.8 from 6.8K ratings.

### Do ASD Connect or Vision Engage have ads?

Neither ASD Connect nor Vision Engage shows ads.

### Which is updated more often, ASD Connect or Vision Engage?

ASD Connect ships an update fortnightly, and Vision Engage every 3 weeks. Most recently, ASD Connect was updated on October 24, 2026 and Vision Engage on October 27, 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.*