Spark SLO vs Headstrong
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spark SLO
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.
- Supportive family-based yoga
- Freedom of expression
- Playfulness and compassion
- Inward exploration
- Judgment-free space
Read full descriptionHide full description
Spark Yoga is a positive & supportive family based on a foundation of integrity and PURE JOY. Our hope is that each practitioner experiences the wonder of freedom of expression, maintaining a sense of playfulness and compassion throughout the profound growth process that unfolds with inward exploration. At Spark, we encourage you to be curious, let go of self-doubt, and celebrate YOU in a space free of judgement, ego, or negativity.
Headstrong
Read full descriptionHide full description
For members of Headstrong to reserve their place in a class, sign up for gym events, and general account management like updating headshots and credit card on file.
Screenshots
Verdict
The clearest difference is ads: Spark SLO at none against Headstrong's shown. Headstrong's advantage is device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 24, 2026 and September 11, 2026 respectively.
| Parameter | Spark SLO | Headstrong |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (543 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 543 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15 — better |
| Further details — not scored | ||
| Size | 38 MB | 93 MB |
| Age rating | 4+ | 4+ |
| Developer | Nick and Steph Young LLC | Headstrong Fit, LLC |
In-app purchases
Spark SLO
No in-app purchases
Headstrong
No in-app purchases
Questions
Is Spark SLO free?
Is Headstrong free?
Do Spark SLO or Headstrong have ads?
Which is updated more often, Spark SLO or Headstrong?
Other comparisons
