# neotivTrials vs MindSampler

The clearest difference is rating: MindSampler at 2.0 against neotivTrials's 1.0. MindSampler also leads on ratings volume (4 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

MindSampler holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

neotivTrials ships an update every 6 weeks, MindSampler every 2 months. The most recent releases landed on September 14, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | neotivTrials | MindSampler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/neotivtrials/id1611173081/reviews) | **[2.0 (4 ratings)](https://appshunter.io/ios/app/mindsampler/id1617535718/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 57 MB | 52 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [neotiv](https://appshunter.io/developer/1334769837) | [MindSampler Inc.](https://appshunter.io/developer/1732037708) |

## 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


### MindSampler

[App page](https://appshunter.io/ios/app/mindsampler/id1617535718)

Participate in scientific research by answering short questions and experiments throughout your day. Contribute to understanding human thought, feelings, and behavior.

**Highlights:** Contribute to scientific understanding, Receive daily experiment notifications, Answer short questions, Enter study codes, Track daily life insights

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is neotivTrials free?

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

### Is MindSampler free?

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

### Which has better reviews, neotivTrials or MindSampler?

MindSampler is rated higher. neotivTrials averages 1.0 out of 5 from 1 ratings, while MindSampler averages 2.0 from 4 ratings.

### Do neotivTrials or MindSampler have ads?

Neither neotivTrials nor MindSampler shows ads.

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

neotivTrials ships an update every 6 weeks, and MindSampler every 2 months. Most recently, neotivTrials was updated on September 14, 2026 and MindSampler on June 5, 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.*