# Envol vs STACK DAYS Elite Training

The clearest difference is device support: STACK DAYS Elite Training at 3 against Envol's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Envol sells 3 in-app purchases, starting at $12.99 per month and STACK DAYS Elite Training sells 1 in-app purchase, starting at $249.00 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Envol | STACK DAYS Elite Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (121 ratings)](https://appshunter.io/ios/app/envol-symptom-relief/id1553911529/reviews)** | — |
| Number of ratings | **121** | — |
| Positive reviews | 98.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 348 MB | 52 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Envol](https://appshunter.io/developer/1553911531) | [Mobile Trainer, LLC](https://appshunter.io/developer/1793616106) |

## What reviewers say

### Envol

[App page](https://appshunter.io/ios/app/envol-symptom-relief/id1553911529)

This app offers a comprehensive approach to mind-body wellness, providing guided meditations, sound journeys, breathing exercises, and tools for focus and self-care. It aims to help users manage stress, improve sleep, achieve emotional balance, and support weight loss journeys.

**Highlights:** Guided meditations for sleep and stress, 3D sound journeys with binaural beats, Visualization music and solfeggio frequencies, Breathing exercises for relaxation, Tools for focus and concentration, Self-care tracker, Burnout and pain relief resources

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Envol monthly | $12.99 | per month |
| Envol half year | $49.99 | per 6 months |
| Envol yearly | $89.99 | per year |


### STACK DAYS Elite Training

[App page](https://appshunter.io/ios/app/stack-days-elite-training/id6741225635)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STACK PRO | $249.00 | per month |


## Frequently asked questions

### Is Envol free?

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

### Is STACK DAYS Elite Training free?

STACK DAYS Elite Training is free to download, with in-app purchases available.

### Do Envol or STACK DAYS Elite Training have ads?

Neither Envol nor STACK DAYS Elite Training shows ads.

### Which is updated more often, Envol or STACK DAYS Elite Training?

Envol ships an update every 2 months, and STACK DAYS Elite Training every 2 months. Most recently, Envol was updated on October 23, 2026 and STACK DAYS Elite Training on October 7, 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.*