[solidcore] vs NRTHRN Strong
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
![[solidcore]](https://cdn3.appshunter.io/i/Purple211/3ab7264c36ebf6db18966ed3f3d58b70/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/640x0w.webp "[solidcore]")
[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.
- 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
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Stay connected with [solidcore]. Simply log in or create an account to easily view your studio's schedule and book class! 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.
NRTHRN Strong
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NRTHRN Strong is a low-impact, full-body workout designed to build strength, endurance, and resilience. Centered around a patented machine developed for Cross Country Skiers, every session combines controlled resistance with functional movements that engage your entire body -improving power, balance, and mobility without the strain on joints. Expect an energizing atmosphere, guided by music and rhythm, where you’ll move through intervals that challenge both body and mind. The result is a powerful, mindful training experience inspired by Nordic living - strong, grounded, and sustainable. Now available in Copenhagen and New York.
Screenshots
Verdict
The clearest difference is ads: NRTHRN Strong at none against [solidcore]'s shown. [solidcore]'s advantage is chart position (#210 vs unranked). On price, update cadence, in-app purchases and device support 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] ships an update every 6 weeks, NRTHRN Strong monthly. The most recent releases landed on October 14, 2026 and January 3, 2026 respectively.
| Parameter | [solidcore] | NRTHRN Strong |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (29K ratings) — better | — |
| Positive reviews | 21.1% of reviews | — |
| Number of ratings | 29K — better | — |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | #210 — better | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 43 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | [solidcore] | Sutra Fitness, Inc. |
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
NRTHRN Strong
Not enough reviews yet to summarise bugs or requests.
In-app purchases
[solidcore]
No in-app purchases
NRTHRN Strong
No in-app purchases
