C4

C4

Kahunasio
Apr 22, 2026
  • 68.8 MB

    File Size

  • 0/63
    Security
  • Everyone

  • Android 8.0+

    Android OS

About C4

C4 is a health and fitness coaching membership app.

Built by Kahunasio, its main appeal is personal, data-informed coaching that combines 1-2-1 support from Coach Chris J. Gregory with Health Connect and wearables. Those looking to download C4 get a holistic plan focused on exercise, nutrition, sleep, and mind, with regular check-ins and tracked progress over time. It feels practical for busy users who want measurable results without guesswork. Below are the core features that shape the experience.

  • 1-2-1 coaching with Chris J. Gregory for tailored guidance and accountability.
  • Holistic program across exercise, nutrition, sleep, and mind for long-term results.
  • Health Connect integration to pull key metrics and centralize your fitness data.
  • Wearable support for precise activity tracking and recovery insights during training.
  • Regular check-ins to review progress, adjust plans, and keep you on track.
  • Clear progress tracking over time to show trends and improvements that matter.


Personalized Coaching with Health Data

C4 taps into Health Connect and your wearable to tailor coaching to real metrics. Training intensity, recovery windows, and nutrition guidance can reflect your sleep and activity patterns, making sessions feel balanced rather than random. A typical week might include a gentle day after low sleep, followed by a higher-intensity block when recovery looks strong, helping you stay consistent without overtraining.


1-2-1 Coaching with Chris J. Gregory

In C4, this feature centers on direct, 1-2-1 support from Coach Chris J. Gregory for steady accountability. Check-ins focus on how workouts felt, what changed in daily routine, and where nutrition or sleep needs adjustment. Over time, the plan adapts to your progress, so goals remain realistic and the effort feels productive rather than rushed.


Download and Install C4

You can download the latest C4 APK from APKPure. The file is moderate in size, so most devices complete the download within a short time over stable Wi-Fi or data. During installation, the app may request permissions for activity tracking and Health Connect, which help personalize coaching.

After setup, connect your wearable to sync for more precise readings. For smooth performance, stay on the C4 latest version, especially if you rely on regular check-ins and long-term progress tracking. If storage is tight, free up space before installing to avoid interruptions.

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What's new in the latest 2.8.8

Last updated on 2026-04-22
We’ve improved chat stability, workout logging, and nutrition tracking — along with a range of fixes for a smoother experience.
Show More

Videos and Screenshots

  • C4 poster
  • C4 screenshot 1
  • C4 screenshot 2

C4 APK Information

Latest Version
2.8.8
Android OS
Android 8.0+
File Size
68.8 MB
Developer
Kahunasio
Available on
Content Rating
Everyone
Security Report
0/63
Scan Result: Secure
No security vendors flagged this file as malicious
No Virus
No Spyware
No Malware
No Virus
No Spyware
No Malware
Scan Date:Apr 22, 2026
Package Name:com.kahunas.io.C4
SHA-256:ea0ebdc91b63b500e5fe225a0558de808d19ec6d76c25070a466b2d39ce0b294
SHA-1:9dbea887bbeb4bfad06c5adef0eef5fadef665fc
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Old Versions of C4

68.8 MBApr 22, 2026
Download
68.5 MBDec 25, 2025
Download
66.7 MBNov 3, 2025
Download
28.7 MBSep 7, 2025
Download
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