Comparison

OCS vs Voice Study by SpeakUnique

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

Head to head
About

OCS

Features
Read full description

OCS-Plus provides health professionals with a brief cognitive assessment focussed on memory and executive attention. OCS-Plus was developed by the Translational Neuropsychology Research Group at the University of Oxford. The tool has been standardised, normed and validated (Demeyere et al 2021). The tool is currently undergoing further research for validity of use in specific clinical groups. The tool is not for self-assessment. Instead, a health professional assessor administers the screen to respondents to investigate domain-general cognitive impairments, with a specific focus on memory and executive attention. The tool contains multiple easy to administer tests and instructions are provided for each test. Normative data is provided for three age groups : under 60, between 60 and 70, and older than 70 and respondent performance is automatically compared to established normative cut offs. In order to activate the app for use, registration is required. There is no cost for the standard app version where data is not uploaded. Where data upload is required, an administration fee, as well as a collaboration agreement and datasharing agreement is required to be put in place.

About

Voice Study by SpeakUnique

Features
Read full description

This app allows you to participate in the studies and projects provided by the Anne Rowling Regenerative Neurology Clinic. This study investigates the use of speech recordings and user-friendly technologies to better understand, diagnose and monitor neurological conditions.

Screenshots

OCS4 screens
Voice Study by SpeakUnique3 screens

Verdict

The call

The clearest difference is update cadence: Voice Study by SpeakUnique at monthly against OCS's every 12 months. OCS's advantage is iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

OCS ships an update every 12 months, Voice Study by SpeakUnique monthly. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.

Scorecard2 real differences ยท 4 level
OCS versus Voice Study by SpeakUnique: the parameters behind the verdict, then further details
ParameterOCSVoice Study by SpeakUnique
PriceFreeFree
Update frequencyEvery 12 monthsMonthly โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 โ€” better14.0
Further details โ€” not scored
Size138 MB26 MB
Age rating12+4+
DeveloperUniversity of OxfordSpeakUnique

In-app purchases

None

OCS

No in-app purchases

None

Voice Study by SpeakUnique

No in-app purchases

Questions

Is OCS free?
OCS is free to download, with no in-app purchases.
Is Voice Study by SpeakUnique free?
Voice Study by SpeakUnique is free to download, with no in-app purchases.
Do OCS or Voice Study by SpeakUnique have ads?
Neither OCS nor Voice Study by SpeakUnique shows ads.
Which is updated more often, OCS or Voice Study by SpeakUnique?
OCS ships an update every 12 months, and Voice Study by SpeakUnique monthly. Most recently, OCS was updated on October 5, 2026 and Voice Study by SpeakUnique on October 19, 2026.

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