Comparison

Spark SLO vs SLO x FORM

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Supportive family-based yoga
  • Freedom of expression
  • Playfulness and compassion
  • Inward exploration
  • Judgment-free space
Features
Read 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.

About

SLO x FORM

Easily browse and purchase class packs or membership options. View the class schedule, filter by type, and manage your reservations to stay organized and committed to your fitness goals.

Highlights
  • Purchase class packs and memberships
  • Browse class schedule
  • Filter classes by type
  • Manage reservations
  • Stay organized with fitness goals
Features
Read full description

Features: -Purchase Class Packs and Memberships Easily browse and purchase our class packs or membership options -View our schedule Filter classes by type to find the perfect fit for your routine. -Manage your reservations Book your class reservations with ease. Keep track of your upcoming classes and manage your schedule to stay organized and committed to your fitness goals.

Screenshots

Spark SLO4 screens
SLO x FORM4 screens

Verdict

The call

The clearest difference is ratings volume: Spark SLO at 555 against SLO x FORM's 27. SLO x FORM's advantage is monetization model (free vs ad-supported). On price, rating, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Spark SLO against 5.0 for SLO x FORM. That said, the two scores are not equally well evidenced: Spark SLO has 555 ratings behind it against 27, so its average is the more settled of the two.

UpkeepUpdate frequency

Spark SLO ships an update monthly, SLO x FORM every 3 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Spark SLO versus SLO x FORM: the parameters behind the verdict, then further details
ParameterSpark SLOSLO x FORM
PriceFreeFree
Rating5.0 (555 ratings) — better5.0 (27 ratings)
Positive reviews100.0% of reviews—
Number of ratings555 — better27
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhoneiPhone
Requires iOS16.016.0
Further details — not scored
Size38 MB38 MB
Age rating4+4+
DeveloperNick and Steph Young LLCSLO x FORM

Customer experience

Spark SLO

All ratings551 ratings
Positive99.8%
Neutral0.2%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SLO x FORM

All ratings27 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Spark SLO

No in-app purchases

None

SLO x FORM

No in-app purchases

Questions

Is Spark SLO free?
Spark SLO is free to download, with no in-app purchases.
Is SLO x FORM free?
SLO x FORM is free to download, with no in-app purchases.
Which has better reviews, Spark SLO or SLO x FORM?
Spark SLO is rated higher. Spark SLO averages 5.0 out of 5 from 555 ratings, while SLO x FORM averages 5.0 from 27 ratings.
Do Spark SLO or SLO x FORM have ads?
Neither Spark SLO nor SLO x FORM shows ads.
Which is updated more often, Spark SLO or SLO x FORM?
Spark SLO ships an update monthly, and SLO x FORM every 3 weeks. Most recently, Spark SLO was updated on November 7, 2026 and SLO x FORM on November 5, 2026.

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