# Satoria vs Spark Challenge

The clearest difference is ratings volume: Satoria at 14 against Spark Challenge's 1. On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Satoria against 5.0 for Spark Challenge. That said, the two scores are not equally well evidenced: Satoria has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Satoria ships an update every 3 weeks, Spark Challenge every 2 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Satoria | Spark Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (14 ratings)](https://appshunter.io/ios/app/satoria/id6752298162/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/spark-challenge/id6759387389/reviews) |
| Number of ratings | **14** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 449 MB | 36 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [40 Years of Zen Inc.](https://appshunter.io/developer/1557963604) | [Sparkverse LLC](https://appshunter.io/developer/1878368149) |

## What reviewers say

### Satoria

[App page](https://appshunter.io/ios/app/satoria/id6752298162)

This app offers brain training exercises and a library of free resources to enhance cognitive function. It can be used independently or paired with a Muse brain-sensing headband for a more immersive experience.

**Highlights:** Brain training exercises, Free resource library, Muse device integration, Cognitive enhancement

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

**In-app purchases:** none


### Spark Challenge

[App page](https://appshunter.io/ios/app/spark-challenge/id6759387389)

This app guides users to build healthier habits through simple, daily wellness challenges. It focuses on small, achievable actions to foster lasting change, offering progress tracking and community support without overwhelming plans.

**Highlights:** One simple daily challenge, Track streaks and progress, Earn rewards for consistency, Compete on leaderboards, Build habits with community support, 100% free, no subscriptions or ads

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Satoria free?

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

### Is Spark Challenge free?

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

### Which has better reviews, Satoria or Spark Challenge?

Satoria and Spark Challenge are both rated 5.0 out of 5 on the App Store, from 14 and 1 ratings respectively.

### Do Satoria or Spark Challenge have ads?

Neither Satoria nor Spark Challenge shows ads.

### Which is updated more often, Satoria or Spark Challenge?

Satoria ships an update every 3 weeks, and Spark Challenge every 2 weeks. Most recently, Satoria was updated on October 6, 2026 and Spark Challenge on October 10, 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.*