Comparison

[solidcore] vs FORM

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

Head to head
About

[solidcore]

This app allows members to find and book pay-as-you-go fitness classes. Users can connect with friends, see their class schedules, book them into classes, and share their own class activities. Track your fitness journey and stay motivated by seeing your class completion history.

Highlights
  • Find and book classes
  • Pay-as-you-go class sign-ups
  • Connect with friends
  • See friends' class schedules
  • Book friends into classes
  • Share class activities
  • Track class completion
Features
Read full description

[solidcore] is high-intensity, low-impact strength training on a custom-built reformer. 50 minutes. Stronger for it. Book classes - See the schedule at every studio, book in a few taps - Choose your class: Starter50 for your first class, Foundation50 to build the basics, Signature50 for the full [solidcore] experience. - Filter by coach, time and studio. New to [solidcore]? - Start with 2 weeks unlimited, right in the app. - Take 4+ classes with a new client offer and unlock 15% off a monthly membership. - Buy a membership, a 5- or 10-class pack, or a single class. - See your remaining classes at a glance. - Members get early access to each month's schedule. Your account - Manage your membership, payment method and bookings. - Track every class you've taken. - Core Collective: members-only perks from our partners, right in the app. It doesn't get easier. You just get stronger. California Privacy Notice: https://privacy.solidcore.co/privacy-policy#california-privacy-notice Do Not Sell My Personal Information: https://privacy.solidcore.co/opt-out See our Privacy Policy to access these links.

About

FORM

This comprehensive wellness platform offers expert-led workouts in strength, Pilates, and gym sessions, alongside mindfulness practices and personalized nutrition plans. It provides the tools and motivation to help users build strength, find balance, and transform their well-being from the inside out.

Highlights
  • Expert-led workouts
  • Strength training
  • Pilates classes
  • Mindfulness practices
  • Nourishing recipes
  • Meal plans
  • Guided programs
Features
Read full description

FORM is your all-in-one wellness platform for movement, mindfulness, and nutrition, all designed to meet you where you are and help you FORM your best self. Inside FORM, you’ll find expert-led workouts, from strength and gym sessions to Pilates, sculpt, and prenatal/postnatal classes, along with guided programs, mindful practices, nourishing recipes and meal plans. Everything you need to move with intention and feel supported lives in one place. Whether you’re building strength, finding balance, or starting fresh, FORM gives you the tools, structure, and motivation to stay consistent and transform from the inside out. Start your 7 day free trial today and feel the difference consistency makes. To access all features and content you can subscribe to FORM on a monthly or yearly basis with an auto-renewing subscription right inside the app.* Pricing can vary by region and will be confirmed before purchase in the app. In app subscriptions will automatically renew at the end of their cycle. * All payments will be paid through your iTunes Account and may be managed under Account Settings after the initial payment. Subscription payments will automatically renew unless deactivated at least 24-hours before the end of the current cycle. Your account will be charged for renewal at least 24-hours prior to the end of the current cycle. Any unused portion of your free trial will be forfeited upon payment. Cancellations are incurred by disabling auto-renewal. Terms of Service: https://digital.joinform.com/tos Privacy Policy: https://digital.joinform.com/privacy

Screenshots

[solidcore]4 screens
FORM4 screens

Verdict

The call

[solidcore] and FORM both sit at 4.9 stars, but that hides the real split: 97% of FORM's written reviews are positive against 21% of [solidcore]'s. FORM also leads on ads (none vs shown) and device support (3 vs 1). [solidcore]'s advantage is in-app purchases (none vs 2) and ratings volume (29K vs 3.9K). On price, rating, update cadence and chart position 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. FORM sells 2 in-app purchases, starting at $27.99 per month. [solidcore] asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for [solidcore] against 4.9 for FORM. That said, the two scores are not equally well evidenced: [solidcore] has 29K ratings behind it against 3.9K, so its average is the more settled of the two. Written reviews are what separate them: 21% of [solidcore]'s written reviews are positive against 97% of FORM's.

UpkeepUpdate frequency

[solidcore] ships an update every 6 weeks, FORM monthly. Both last shipped on October 31, 2026.

Scorecard6 real differences · 5 level
[solidcore] versus FORM: the parameters behind the verdict, then further details
Parameter[solidcore]FORM
PriceFreeFree
Rating4.9 (29K ratings) — better4.9 (3.9K ratings)
Positive reviews21.1% of reviews96.9% of reviews — better
Number of ratings29K — better3.9K
Update frequencyEvery 6 weeksMonthly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#181#82 — better
DevicesiPhoneiPhone, iPad, Apple TV — better
Requires iOS16.4 — better16.6
Further details — not scored
Size70 MB86 MB
Age rating4+4+
Developer[solidcore]SJC Companies, LLC

Customer experience

[solidcore]

All ratings28,963 ratings
Positive97.8%
Neutral0.6%
Negative1.6%
Written reviews247 reviews
Positive21.1%
Neutral9.3%
Negative69.6%

FORM

All ratings3,866 ratings
Positive97.3%
Neutral1.0%
Negative1.7%
Written reviews1,120 reviews
Positive96.9%
Neutral1.6%
Negative1.5%

User reviews

[solidcore]

From 29K App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Efficient booking process
  • ⭐ Great workout classes

Room to improve

  • 🐛 Glitchy and slow app
  • 📆 Lack of class package management
  • 🔍 Unclear waitlist information
  • 🔒 Privacy concerns with calendar access

FORM

From 3.9K App Store ratings

What we love

  • 🚀 Efficient and effective workouts
  • 👍 Variety of workout options
  • 💪 Challenging yet achievable workouts
  • 🧘‍♀️ Positive and motivating energy
  • 🍽️ Delicious and healthy recipes

Room to improve

  • 💰 Expensive subscription
  • 🔍 Difficulty finding/tracking past workouts
  • 🔊 Inconsistent audio levels in videos
  • 🤕 Potential for overtraining with intense workouts

Bugs and requests

[solidcore]

Reported bugs

3 issues
  • Inconsistent class credit tracking
  • Unreliable class cancellation and refund process
  • Frequent crashes and loading issues

Requested features

4 requests
  • Ability to see class package balances
  • Waitlist position visibility
  • Option to add classes to calendar without full access
  • Improved app stability and performance

FORM

Reported bugs

2 issues
  • App crashes or freezes on some devices
  • Occasional issues with video playback

Requested features

4 requests
  • Progress tracking and workout history
  • Ability to create custom workout playlists
  • More beginner-friendly and low-impact options
  • Integration with fitness trackers and smartwatches

In-app purchases

None

[solidcore]

No in-app purchases

2 purchases

FORM

Subscriptions2
  • Form by Sami Clarke Monthly7 Days trial$27.991 Month
  • Form by Sami Clarke Yearly7 Days trial$144.991 Year

Questions

Is [solidcore] free?
[solidcore] is free to download, with no in-app purchases.
Is FORM free?
FORM is free to download, with in-app purchases available.
Which has better reviews, [solidcore] or FORM?
[solidcore] is rated higher. [solidcore] averages 4.9 out of 5 from 29K ratings, while FORM averages 4.9 from 3.9K ratings.
Do [solidcore] or FORM have ads?
[solidcore] shows ads; FORM does not.
Which is updated more often, [solidcore] or FORM?
[solidcore] ships an update every 6 weeks, and FORM monthly. Most recently, [solidcore] was updated on October 31, 2026 and FORM on October 31, 2026.
Which is more popular, [solidcore] or FORM?
[solidcore] currently peaks at #181 in the App Store charts, and FORM at #82. Chart position reflects recent download velocity rather than total install base.

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