Spivi.Connect vs X4 FIT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spivi.Connect
This app uses Apple's Health Kit to measure your heart rate and stream it live to any Spivi system. It seamlessly integrates with Apple Health and automatically saves your workout data.
- Heart rate measurement
- Live streaming to Spivi systems
- Apple Health integration
- Automatic workout saving
- Activity App integration
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Powered by Apple's Health Kit, Spivi.Connect measures heart rate and streams it to any Spivi system you are logged into. Spivi.Connect is fully integrated with Apple's Health and automatically saves your workouts to the Health App and the Activity App.
X4 FIT
This app facilitates booking and managing fitness classes at a boutique gym. It offers efficient, full-body functional workouts with on-screen demos and varied routines. Members can easily register, book classes, and purchase memberships or retail items.
- Coach-led group fitness classes
- 50-minute full-body workouts
- On-screen exercise demos
- Constantly changing routines
- Class booking for members
- Membership and retail purchasing
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X4 FIT is a boutique group fitness gym offering 50-minute, full-body functional workouts designed for efficiency and variety. Each coach-led class features on-screen demos and a constantly changing workout—so no two workouts are ever the same. Our goal is to make incorporating fitness into our members’ busy lives as easy as possible so they can get in, work out, and get back out to the lives they love. The only requirements are commitment and effort. The X4 workout leverages the four elements of fitness: VO₂ Max Work, Resistance Training, Metabolic Intervals, Functional Movement Patterns. It’s a scientific methodology that ensures a full-body workout targeting cardiovascular health, muscular ability, power development, and metabolic conditioning that directly transfers to strength outside the gym. Our premium mobile app allows easy first-time registration, existing member class booking, and membership/retail purchasing!
Screenshots
Verdict
The clearest difference is review sentiment: X4 FIT at 100% against Spivi.Connect's 13%. X4 FIT also leads on rating (5.0 vs 3.4) and update cadence (every 3 weeks vs every 5 months). Spivi.Connect's advantage is monetization model (free vs free with in-app purchases) and device support (3 vs 1). On price, 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.
X4 FIT holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: X4 FIT has 222 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 13% of Spivi.Connect's written reviews are positive against 100% of X4 FIT's.
Spivi.Connect ships an update every 5 months, X4 FIT every 3 weeks. Both last shipped on November 3, 2026.
| Parameter | Spivi.Connect | X4 FIT |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (5 ratings) | 5.0 (222 ratings) — better |
| Positive reviews | 12.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 | 222 — better |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod, Apple Watch — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 6 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Spivi | X⁴, LLC |
Customer experience
Spivi.Connect
X4 FIT
In-app purchases
Spivi.Connect
No in-app purchases
X4 FIT
No in-app purchases
