ONX vs The GRIND Mpls
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ONX
Easily plan and schedule your classes with this app. It keeps you signed in for quick reservations, allows you to view updated schedules, purchase class packages, and find studio location details. You can also connect to social media.
- Class scheduling and planning
- Quick class reservations
- View updated class schedules
- Purchase class packages
- Studio location information
- Social media integration
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Download the ONX App to easily and quickly plan and schedule your classes. This app keeps you signed in, so reserving your spot in class is super quick and ultra convenient. In addition to signing up for classes, use this app to view updated class schedules, buy class packages, and see our studio location information. You can also click through to view our social media accounts, including Facebook and Instagram. | Also be sure to check out our website at http://www.onxmn.com |
The GRIND Mpls
This app connects users to a premium indoor cycle, sculpt, and stretch studio. It offers group fitness classes with a focus on endurance, strength, and flexibility, some enhanced by infrared heaters.
- Book cycle classes
- Book sculpt classes
- Book stretch classes
- Group fitness focus
- Infrared heated classes
- Studio location details
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The Grind MPLS is a premium indoor cycle, sculpt, and stretch studio located in the heart of the North Loop neighborhood in Minneapolis, MN. Having two studios in their space allows for a strong focus on endurance, strength, and flexibility training in a group setting. Some of the classes will have added infrared heaters to deepen one's fitness levels and goals in a natural setting.
Screenshots
Verdict
The clearest difference is review sentiment: The GRIND Mpls at 100% against ONX's 0%. The GRIND Mpls also leads on rating (5.0 vs 3.0) and ratings volume (142 vs 2). On price, update cadence, ads 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.
The GRIND Mpls holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: The GRIND Mpls has 142 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of ONX's written reviews are positive against 100% of The GRIND Mpls's.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.
| Parameter | ONX | The GRIND Mpls |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (142 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 142 — better |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 193 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Upper East LLC | The Grind Cycle Sculpt Stretch |
Customer experience
ONX
The GRIND Mpls
In-app purchases
ONX
No in-app purchases
The GRIND Mpls
No in-app purchases
