Comparison

CANTAB vs Vision Engage

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CANTAB

This application is exclusively for registered study participants. It allows users to check in regularly to engage with research studies and monitor their personal progress.

Highlights
  • Study participation
  • Regular check-ins
  • Progress monitoring
  • Study updates
Read full description

This app is only for use by registered study participants. Install it and check in regularly to participate in the study and keep up to date with your progress.

About

Vision Engage

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
Read full description

Discover a new way to participate in clinical studies with VISION Engage — your gateway to the best clinical trial experience at Velocity Clinical Research! Whether you're a current participant or considering joining a study, VISION Engage brings the world of clinical trials to your fingertips. Elevate your experience with the following features: Explore New Studies: Instantly access a curated list of study opportunities tailored just for you. Build Your Profile: Keep your information up-to-date so VISION Engage can notify you when you may be eligible for a study. Faster payments: Seamlessly receive your study stipends via the app Manage Appointments: Never miss an important date with personalized notifications and reminders, ensuring you are always well-prepared for your upcoming visits. Stay in Touch: Stay connected with your Velocity site through seamless, in-app communication. Learn About Research: Navigate your clinical trial journey with ease, and gain insights into clinical trials, the diseases being studied, and more. Redefine your clinical study experience with VISION Engage by Velocity. Download the app now!

Screenshots

CANTAB3 screens
Vision Engage4 screens

Verdict

The call

The clearest difference is rating: Vision Engage at 4.8 against CANTAB's 2.5. Vision Engage also leads on ratings volume (6.8K vs 2) and update cadence (every 3 weeks vs every 3 months). CANTAB's advantage is monetization model (free vs ad-supported). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Vision Engage holds the better App Store score, 4.8 against 2.5. That said, the two scores are not equally well evidenced: Vision Engage has 6.8K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

CANTAB ships an update every 3 months, Vision Engage every 3 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
CANTAB versus Vision Engage: the parameters behind the verdict, then further details
ParameterCANTABVision Engage
PriceFreeFree
Rating2.5 (2 ratings)4.8 (6.8K ratings) — better
Positive reviews—72.1% of reviews
Number of ratings26.8K — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhoneiPhone, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size72 MB41 MB
Age rating17+17+
DeveloperCambridge Cognition LimitedVelocity Clinical Research, Inc.

Customer experience

CANTAB

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Vision Engage

All ratings6,819 ratings
Positive97.3%
Neutral1.7%
Negative1.0%
Written reviews165 reviews
Positive72.1%
Neutral4.2%
Negative23.6%

Bugs and requests

CANTAB

Not enough reviews yet to summarise bugs or requests.

Vision Engage

Reported bugs

3 issues
  • App freezing or crashing
  • Login and authentication problems
  • Inconsistent or missing data input functionality

Requested features

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

In-app purchases

None

CANTAB

No in-app purchases

None

Vision Engage

No in-app purchases

Questions

Is CANTAB free?
CANTAB 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, CANTAB or Vision Engage?
Vision Engage is rated higher. CANTAB averages 2.5 out of 5 from 2 ratings, while Vision Engage averages 4.8 from 6.8K ratings.
Do CANTAB or Vision Engage have ads?
Neither CANTAB nor Vision Engage shows ads.
Which is updated more often, CANTAB or Vision Engage?
CANTAB ships an update every 3 months, and Vision Engage every 3 weeks. Most recently, CANTAB was updated on October 20, 2026 and Vision Engage on October 24, 2026.

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