HOTWORX vs [solidcore]
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
![[solidcore]](https://cdn3.appshunter.io/i/Purple211/ecc0f2a684da71c0782ece8cc4014486/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/640x0w.webp "[solidcore]")
HOTWORX
Track your calorie burn and "after-burn" from HOTWORX studio sessions. This app integrates with the Health app to provide a comprehensive view of your workout's total impact over 100 minutes.
- Calorie burn tracking
- 1-hour after-burn tracking
- Total session time calorie capture
- Health app integration
- Workout session monitoring
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The HOTWORX application is indented for members of our HOTWORX Studio facilities. The purpose of this application is to encourage users to track their total amount of calories burned during a HOTWORX workout session, and to track their "1-hour after-burn." A HOTWORX workout is 40 minutes, and the after-burn is 1 hour. The total session time will capture the calories burned for a total of 100 minutes. This app integrates with the Health app.
[solidcore]
Book high-intensity, low-impact strength training classes on a custom reformer. Explore class schedules, filter by coach or time, and manage your membership and bookings. New clients can access special introductory offers.
- Book classes by coach, time, and studio
- Filter class schedules
- New client offers and introductory pricing
- Purchase memberships, class packs, or single classes
- Manage membership and payment
- Track class history
- Access member-exclusive partner perks
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[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.
Screenshots
Verdict
The clearest difference is ads: HOTWORX at none against [solidcore]'s shown. HOTWORX also leads on monetization model (free vs free with in-app purchases) and update cadence (fortnightly vs every 6 weeks). [solidcore]'s advantage is review sentiment (21% vs 8%) and chart position (#133 vs unranked). On price, rating, ratings volume and in-app purchases 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.
[solidcore] holds the better App Store score, 4.9 against 4.8. Both are backed by a comparable volume of ratings — 31K and 29K respectively. Written reviews point the same way: 8% of HOTWORX's written reviews are positive against 21% of [solidcore]'s.
HOTWORX ships an update fortnightly, [solidcore] every 6 weeks. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.
| Parameter | HOTWORX | [solidcore] |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (31K ratings) | 4.9 (29K ratings) — better |
| Positive reviews | 8.0% of reviews | 21.0% of reviews — better |
| Number of ratings | 31K — better | 29K |
| Update frequency | Fortnightly — better | Every 6 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #133 — better |
| Devices | iPhone, iPod, Apple Watch — better | iPhone |
| Requires iOS | 15.6 — better | 16.4 |
| Further details — not scored | ||
| Size | 201 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | Planet Beach | [solidcore] |
Customer experience
HOTWORX
[solidcore]
User reviews
HOTWORX
From 31K App Store ratingsWhat we love
- 🔥 Great workouts
- 🕰️ 24/7 accessibility
- 🧘♀️ Relaxing infrared sauna experience
- 🔥 Effective for fat loss and muscle toning
- 🧠 Positive mental health benefits
Room to improve
- 🐛 Buggy and unreliable app
- 🤯 Complicated and frustrating app navigation
- 🔢 Too many steps to schedule a workout
- 🤖 Inaccurate calorie tracking and sync issues
- 🔍 Lack of app descriptions and class information
[solidcore]
From 29K App Store ratingsWhat 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
Bugs and requests
HOTWORX
Reported bugs
5 issues- App crashes and freezes frequently
- Inability to record workouts and after-burn
- Inconsistent sync with Apple Watch and Fitbit
- Scheduled workouts disappearing from the app
- Incorrect calorie counting and data loss
Requested features
5 requests- Ability to book entire sauna room
- Seamless integration with fitness trackers
- Streamlined scheduling and booking process
- More detailed class descriptions in the app
- Automatic calorie tracking and recording
[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
In-app purchases
HOTWORX
No in-app purchases
[solidcore]
No in-app purchases
