Comparison

Altoida vs Covalent ePRO

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

Head to head
About

Altoida

Measure and monitor your brain health with this app-based tool. It uses advanced technology to analyze eye movement for cognitive assessment, providing educational insights. Consult healthcare professionals for personalized advice.

Highlights
  • Brain health measurement
  • Cognitive assessment aid
  • Eye movement analysis
  • Educational insights
  • Global user community
Read full description

Altoida is the #1 app-based tool for measuring and monitoring your brain health. Join the global community of Altoida users in understanding your brain and taking control of your health. Altoida's technology is 510k exempt to be used as a computerized cognitive assessment aid, recognized by the U.S. Food and Drug Administration (FDA). It has not been cleared or approved by the FDA for any other use. The Altoida application is not intended to diagnose, treat, cure or prevent any disease. The information provided is intended for educational purposes only and should not be considered medical advice. Please speak with an appropriate healthcare professional when evaluating any wellness-related therapies or lifestyle modifications, or regarding any questions or concerns about your specific health situation. To learn more about Altoida's science, technology, and validated scoring methods, please consult our trial publications in the U.S. National Library of Medicine and our peer-reviewed studies: • https://clinicaltrials.gov/ct2/show/NCT02843529 • https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4879487/ • https://games.jmir.org/2013/1/e1/ • https://www.sciencedirect.com/science/article/pii/S2352873718300210. The front-facing camera on compatible devices is used through the TrueDepth API to register the eye movement of the user. Only abstract statistical data of the eye movement is analyzed and no images of the user are stored or transmitted at any time. During the augmented reality test, no images of either camera are recorded, stored, or transmitted at any time. No device IDs, UDIDs, or any other information capable of re-identifying your device is recorded, stored, or transmitted. The anonymized abstract statistical data of each test is stored for analysis and will be deleted upon request. For this purpose, contact support@altoida.com.

About

Covalent ePRO

Features
Read full description

ePRO refers to a digital system that allows clinical trial participants (subjects) to directly report health-related information, such as symptoms, side effects, medication intake, and quality of life, using an electronic platform. This system is designed to replace traditional paper-based questionnaires with more efficient, accurate, and real-time data capture methods.

Screenshots

Altoida4 screens
Covalent ePRO3 screens

Verdict

The call

The clearest difference is update cadence: Covalent ePRO at every 8 days against Altoida's monthly. Altoida's advantage is iOS requirement (13.0 vs 15.1). 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.

UpkeepUpdate frequency

Altoida ships an update monthly, Covalent ePRO every 8 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Altoida versus Covalent ePRO: the parameters behind the verdict, then further details
ParameterAltoidaCovalent ePRO
PriceFreeFree
Rating4.3 (29 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings29 — better—
Update frequencyMonthlyEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size84 MB24 MB
Age rating4+17+
DeveloperAltoida AGClinion IT Services Private Limited

In-app purchases

None

Altoida

No in-app purchases

None

Covalent ePRO

No in-app purchases

Questions

Is Altoida free?
Altoida is free to download, with no in-app purchases.
Is Covalent ePRO free?
Covalent ePRO is free to download, with no in-app purchases.
Do Altoida or Covalent ePRO have ads?
Neither Altoida nor Covalent ePRO shows ads.
Which is updated more often, Altoida or Covalent ePRO?
Altoida ships an update monthly, and Covalent ePRO every 8 days. Most recently, Altoida was updated on November 2, 2026 and Covalent ePRO on October 31, 2026.

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