# Spark SLO vs Everflex Plus

The clearest difference is ratings volume: Spark SLO at 543 against Everflex Plus's 12. Everflex Plus's advantage is update cadence (weekly vs monthly) and monetization model (free vs ad-supported). On price, rating, review sentiment and ads 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 Spark SLO against 4.9 for Everflex Plus. That said, the two scores are not equally well evidenced: Spark SLO has 543 ratings behind it against 12, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Spark SLO ships an update monthly, Everflex Plus weekly. The most recent releases landed on September 24, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | Spark SLO | Everflex Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (543 ratings)](https://appshunter.io/ios/app/spark-slo/id1523088322/reviews)** | [4.9 (12 ratings)](https://appshunter.io/ios/app/everflex-plus/id6503459162/reviews) |
| Number of ratings | **543** | 12 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 38 MB | 60 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Nick and Steph Young LLC](https://appshunter.io/developer/1497625125) | [Movement For Life, INC](https://appshunter.io/developer/1583644083) |

## What reviewers say

### Spark SLO

[App page](https://appshunter.io/ios/app/spark-slo/id1523088322)

This app offers a supportive environment for yoga practice, encouraging freedom of expression, playfulness, and compassion. It aims to foster personal growth through inward exploration in a judgment-free space.

**Highlights:** Supportive family-based yoga, Freedom of expression, Playfulness and compassion, Inward exploration, Judgment-free space

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

**In-app purchases:** none


### Everflex Plus

[App page](https://appshunter.io/ios/app/everflex-plus/id6503459162)

This app educates users on how to manage pain by identifying and addressing its root causes through movement. Developed by physical therapists, it offers personalized guidance and targeted exercises for a proactive approach to pain relief.

**Highlights:** Pain pattern education, Root cause identification, Personalized exercise guidance, Movement-based pain relief, User-friendly interface

**In-app purchases:** none


## Frequently asked questions

### Is Spark SLO free?

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

### Is Everflex Plus free?

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

### Which has better reviews, Spark SLO or Everflex Plus?

Spark SLO is rated higher. Spark SLO averages 5.0 out of 5 from 543 ratings, while Everflex Plus averages 4.9 from 12 ratings.

### Do Spark SLO or Everflex Plus have ads?

Neither Spark SLO nor Everflex Plus shows ads.

### Which is updated more often, Spark SLO or Everflex Plus?

Spark SLO ships an update monthly, and Everflex Plus weekly. Most recently, Spark SLO was updated on September 24, 2026 and Everflex Plus on September 2, 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.*