Comparison

Apollo vs OCS

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

Head to head
About

Apollo

This app digitizes classical neuropsychological assessments using AI for standardized, smarter, and faster evaluations. It incorporates proven testing principles with digital scoring, including innovative speech analysis.

Highlights
  • AI-driven neuropsychological assessments
  • Standardized and faster evaluations
  • Digital implementation of classic tests
  • Automated scoring via speech analysis
  • Manual scoring for clinician control
Features
Read full description

Apollo is an iPad app that digitalises classical neuropsychological assessment using Artificial Intelligence (AI). With Apollo, assessment becomes more standardized, smarter and faster. Apollo implements a wide range of classic neuropsychological tests. These tests are valid and accepted best practice; Apollo keeps their proven principles and valid scoring mechanisms but adds a digital touch. Scoring of tests is done automatically through innovative speech analysis but can be edited manually, so that clinicians stay in control of the diagnostic process.

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.

Screenshots

Apollo3 screens
OCS4 screens

Verdict

The call

The clearest difference is update cadence: Apollo at monthly against OCS's every 12 months. 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

Apollo ships an update monthly, OCS every 12 months. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

Scorecard1 real difference · 9 level
Apollo versus OCS: the parameters behind the verdict, then further details
ParameterApolloOCS
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyMonthly — betterEvery 12 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size218 MB138 MB
Age rating12+12+
Developerki elements GmbHUniversity of Oxford

In-app purchases

None

Apollo

No in-app purchases

None

OCS

No in-app purchases

Questions

Is Apollo free?
Apollo is free to download, with no in-app purchases.
Is OCS free?
OCS is free to download, with no in-app purchases.
Do Apollo or OCS have ads?
Neither Apollo nor OCS shows ads.
Which is updated more often, Apollo or OCS?
Apollo ships an update monthly, and OCS every 12 months. Most recently, Apollo was updated on September 20, 2026 and OCS on September 18, 2026.

Other comparisons