# MindProber vs Memory Vault Plus

The clearest difference is rating: MindProber at 5.0 against Memory Vault Plus's 4.6. MindProber also leads on iOS requirement (12.4 vs 18.6). Memory Vault Plus's advantage is ratings volume (8 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.

MindProber holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Memory Vault Plus has 8 ratings behind it against 1, so its average is the more settled of the two.

MindProber ships an update monthly, Memory Vault Plus every 5 weeks. The most recent releases landed on September 26, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | MindProber | Memory Vault Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mindprober/id1329984122/reviews)** | [4.6 (8 ratings)](https://appshunter.io/ios/app/memory-vault-plus/id1595172308/reviews) |
| Number of ratings | 1 | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 20 MB | 6 MB |
| Requires iOS | **12.4** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Mindprober, Lda](https://appshunter.io/developer/1329984121) | [Cinnamon Mobile LLC](https://appshunter.io/developer/473206444) |

## What reviewers say

### MindProber

[App page](https://appshunter.io/ios/app/mindprober/id1329984122)

This app enables users to participate in research studies by collecting biometric and behavioral data synchronized with multimedia content. Users can accept invitations, view rewards, and provide feedback on content to help improve multimedia quality.

**Highlights:** Biometric data collection, Behavioral data synchronization, Multimedia content evaluation, Response data to questionnaires, Invitation to research studies, Reward tracking

**In-app purchases:** none


### Memory Vault Plus

[App page](https://appshunter.io/ios/app/memory-vault-plus/id1595172308)

Create your personal database to store and retrieve any information you might forget. This app helps you instantly recall names, birthdays, movies, and more by linking items with keywords and hints.

**Highlights:** Personal database creation, Keyword and hint association, Instant information retrieval, Recall forgotten names and facts, Organize personal memories

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MindProber free?

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

### Is Memory Vault Plus free?

Memory Vault Plus is free to download, with no in-app purchases.

### Which has better reviews, MindProber or Memory Vault Plus?

MindProber is rated higher. MindProber averages 5.0 out of 5 from 1 ratings, while Memory Vault Plus averages 4.6 from 8 ratings.

### Do MindProber or Memory Vault Plus have ads?

Neither MindProber nor Memory Vault Plus shows ads.

### Which is updated more often, MindProber or Memory Vault Plus?

MindProber ships an update monthly, and Memory Vault Plus every 5 weeks. Most recently, MindProber was updated on September 26, 2026 and Memory Vault Plus on September 30, 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.*