# Vision Engage vs Janssen E.ngage

The clearest difference is update cadence: Vision Engage at every 3 weeks against Janssen E.ngage's every 6 weeks. Janssen E.ngage's advantage is iOS requirement (12.0 vs 15.6). 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.

Vision Engage ships an update every 3 weeks, Janssen E.ngage every 6 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Vision Engage | Janssen E.ngage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6.9K ratings)](https://appshunter.io/ios/app/vision-engage/id6443581547/reviews)** | — |
| Number of ratings | **6.9K** | — |
| Positive reviews | 72.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 41 MB | 69 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Velocity Clinical Research, Inc.](https://appshunter.io/developer/1647351158) | [ERT,INC](https://appshunter.io/developer/1160214546) |

## What reviewers say

### 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


### Janssen E.ngage

[App page](https://appshunter.io/ios/app/janssen-engage/id6451202842)

**In-app purchases:** none


## Frequently asked questions

### Is Vision Engage free?

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

### Is Janssen E.ngage free?

Janssen E.ngage is free to download, with no in-app purchases.

### Do Vision Engage or Janssen E.ngage have ads?

Neither Vision Engage nor Janssen E.ngage shows ads.

### Which is updated more often, Vision Engage or Janssen E.ngage?

Vision Engage ships an update every 3 weeks, and Janssen E.ngage every 6 weeks. Most recently, Vision Engage was updated on November 7, 2026 and Janssen E.ngage on November 3, 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.*