# Depression Cognitive Research vs Apollo

The clearest difference is in-app purchases: Apollo at none against Depression Cognitive Research's 7. Apollo also leads on update cadence (monthly vs every 3 months) and iOS requirement (12.0 vs 14.0). Depression Cognitive Research's advantage is review sentiment (9% vs 0%). On price, ads and device support there is nothing between them.

Both are free to download. Depression Cognitive Research sells 7 in-app purchases, starting at $4.99 per month. Apollo asks for nothing beyond the download.

Depression Cognitive Research ships an update every 3 months, Apollo monthly. The most recent releases landed on September 3, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Depression Cognitive Research | Apollo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/apollo-cognitive-testing/id1455948323/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **9.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 298 MB | 218 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [CogniFit](https://appshunter.io/developer/528285613) | [ki elements GmbH](https://appshunter.io/developer/1435472903) |

## What reviewers say

### Depression Cognitive Research

[App page](https://appshunter.io/ios/app/depression-cognitive-research/id1412024285)

Participate in scientific studies investigating cognitive aspects of depression. This tool helps researchers evaluate and understand alterations in attention, memory, and processing speed related to the mood disorder.

**Highlights:** Participate in scientific studies, Cognitive evaluation of depression, Investigates attention and memory, Tools for neuroscience research, Digital cognitive assessment

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription 75% Off | $4.99 | per month |
| Monthly Subscription 50% Off | $9.99 | per month |
| Monthly Subscription | $19.99 | per month |
| Yearly Subscription 75% Off | $22.99 | per year |
| Yearly Subscription 50% Off | $44.99 | per year |
| Yearly Subscription | $89.99 | per year |
| Assessment - Full price | $49.99 | one-time |


### Apollo

[App page](https://appshunter.io/ios/app/apollo-cognitive-testing/id1455948323)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Depression Cognitive Research free?

Depression Cognitive Research is free to download, with in-app purchases available.

### Is Apollo free?

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

### Do Depression Cognitive Research or Apollo have ads?

Neither Depression Cognitive Research nor Apollo shows ads.

### Which is updated more often, Depression Cognitive Research or Apollo?

Depression Cognitive Research ships an update every 3 months, and Apollo monthly. Most recently, Depression Cognitive Research was updated on September 3, 2026 and Apollo on September 20, 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.*