# NeuralStack.io™ vs Soolstis

NeuralStack.io™ and Soolstis are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. NeuralStack.io™ sells 2 in-app purchases, starting at $2.99 per month and Soolstis sells 2 in-app purchases, starting at $17.99 per month. Whichever you choose, the download price is not the number that matters.

NeuralStack.io™ ships an update every 3 weeks, Soolstis every 5 weeks. The most recent releases landed on September 5, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | NeuralStack.io™ | Soolstis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/neuralstackio-focus-and-sleep/id6502728529/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 179 MB | 63 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Banzai Labs](https://appshunter.io/developer/305909501) | [CENTRE HYPNOSE PNL EIHPNL](https://appshunter.io/developer/1761640159) |

## What reviewers say

### NeuralStack.io™

[App page](https://appshunter.io/ios/app/neuralstackio-focus-and-sleep/id6502728529)

Create personalized audio experiences for focus, sleep, and mindset enhancement. Combine brainwave entrainment, guided breathing, and ambient sounds to build custom 'Stacks'. Listen offline and alongside other apps.

**Highlights:** Customizable Stacks with multi-stage elements, Brainwave entrainment (0.5-100 Hz), Guided breathing programs, Layered ambience and nature sounds, Offline listening, Integration with other apps, Stack playlists

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NeuralStack.io Monthly Subscription | $2.99 | per month |
| NeuralStack.io Annual Subscription | $24.99 | per year |


### Soolstis

[App page](https://appshunter.io/ios/app/soolstis/id6615092304)

This app offers guided hypnosis sessions and well-being tools to help manage anxiety, improve sleep, and achieve personal goals. It provides a range of programs based on hypnosis, psychology, and systemics for quick and effective daily self-care.

**Highlights:** Guided hypnosis sessions, Anxiety management programs, Sleep improvement tools, Personal development goals, Psychology and systemics based, Custom program development

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $17.99 | per month |
| Annual Subscription | $179.99 | per year |


## Frequently asked questions

### Is NeuralStack.io™ free?

NeuralStack.io™ is free to download, with in-app purchases available.

### Is Soolstis free?

Soolstis is free to download, with in-app purchases available.

### Do NeuralStack.io™ or Soolstis have ads?

Neither NeuralStack.io™ nor Soolstis shows ads.

### Which is updated more often, NeuralStack.io™ or Soolstis?

NeuralStack.io™ ships an update every 3 weeks, and Soolstis every 5 weeks. Most recently, NeuralStack.io™ was updated on September 5, 2026 and Soolstis 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.*