# MindSampler vs Soul Surgery Sunday

The clearest difference is rating: Soul Surgery Sunday at 5.0 against MindSampler's 2.0. Soul Surgery Sunday also leads on update cadence (every 4 days vs every 2 months). MindSampler's advantage is in-app purchases (none vs 2) and ratings volume (4 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Soul Surgery Sunday sells 2 in-app purchases, starting at $12.99 per month. MindSampler asks for nothing beyond the download.

Soul Surgery Sunday holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

MindSampler ships an update every 2 months, Soul Surgery Sunday every 4 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MindSampler | Soul Surgery Sunday |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/mindsampler/id1617535718/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/soul-surgery-sunday/id6758424180/reviews)** |
| Number of ratings | **4** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | **Free** | Freemium |
| Size | 51 MB | 22 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MindSampler](https://appshunter.io/developer/6821900739) | [Bavity LLC](https://appshunter.io/developer/1853924917) |

## What reviewers say

### 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


### Soul Surgery Sunday

[App page](https://appshunter.io/ios/app/soul-surgery-sunday/id6758424180)

This app guides users through a structured weekly self-reflection process. It uses AI to identify patterns in your week's events and helps you develop actionable insights for the week ahead. Mid-week nudges reinforce your learning.

**Highlights:** Structured weekly sessions, AI pattern recognition, Cumulative insight tracking, Mid-week reflection nudges, Clinical and honest tone, Privacy-focused data handling

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $12.99 | per month |
| Pro Yearly | $99.99 | per year |


## Frequently asked questions

### Is MindSampler free?

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

### Is Soul Surgery Sunday free?

Soul Surgery Sunday is free to download, with in-app purchases available.

### Which has better reviews, MindSampler or Soul Surgery Sunday?

Soul Surgery Sunday is rated higher. MindSampler averages 2.0 out of 5 from 4 ratings, while Soul Surgery Sunday averages 5.0 from 1 ratings.

### Do MindSampler or Soul Surgery Sunday have ads?

Neither MindSampler nor Soul Surgery Sunday shows ads.

### Which is updated more often, MindSampler or Soul Surgery Sunday?

MindSampler ships an update every 2 months, and Soul Surgery Sunday every 4 days. Most recently, MindSampler was updated on November 7, 2026 and Soul Surgery Sunday on October 31, 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.*