# neotivTrials vs Acrius

The clearest difference is update cadence: neotivTrials at monthly against Acrius's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

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

neotivTrials ships an update monthly, Acrius every 10 months. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | neotivTrials | Acrius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/neotivtrials/id1611173081/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | Free | — |
| Size | 57 MB | 81 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [neotiv](https://appshunter.io/developer/1334769837) | [Ellions AB](https://appshunter.io/developer/1168082082) |

## What reviewers say

### neotivTrials

[App page](https://appshunter.io/ios/app/neotivtrials/id1611173081)

Contribute to cognitive research by participating in digital memory assessments. Understand how lifestyle and health factors impact your memory performance. Help scientists measure fluctuations in cognitive function.

**Highlights:** Digital cognitive assessments, Memory function tracking, Contribution to research, Understand lifestyle impacts, Measure performance fluctuations

**Features:** macOS Compatibility

**In-app purchases:** none


### Acrius

[App page](https://appshunter.io/ios/app/acrius/id6754082570)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is neotivTrials free?

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

### Is Acrius free?

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

### Do neotivTrials or Acrius have ads?

Neither neotivTrials nor Acrius shows ads.

### Which is updated more often, neotivTrials or Acrius?

neotivTrials ships an update monthly, and Acrius every 10 months. Most recently, neotivTrials was updated on October 18, 2026 and Acrius on October 19, 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.*