---
title: "CK-IN - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "CK-IN, Build Consistency. Stay Accountable. Don't Skip.  CK-IN is a daily fitness accountability app built to help you show up even on the days you don't feel like it. This isn't about perfect workout"
---

# CK-IN — United States
> Fitness Tracking & Community

![CK-IN App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/c1/a5/87/c1a587e1-b2dd-5810-7dcb-4118964ce269/AppIcon-0-0-1x_U007epad-0-11-0-85-220.png/434x0w.png)

**Developer:** [Unknown](https://apptail.io/developer/unknown-UILwmc)
**Category:** Health Fitness
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.ckin.ios
**Store:** Apple App Store
**Country:** United States
**Version:** 1.1 (released 2026-01-21)
**Original Release:** 2026-01-17
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6756836121)
**AppTail Page:** [https://apptail.io/app/ck-in-sRmA/united-states](https://apptail.io/app/ck-in-sRmA/united-states)

## CK-IN Description
CK-IN, Build Consistency. Stay Accountable. Don't Skip.

CK-IN is a daily fitness accountability app built to help you show up even on the days you don't feel like it. This isn't about perfect workouts, calorie counting, or complicated plans. CK-IN is about consistency, commitment, and people who notice when you don't show up.

By using this app, you agree to our Terms of Use:  and Privacy Policy: 

## CK-IN Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/43/32/7f/43327f8d-cdbb-843a-0ed8-841ba755f388/2.jpeg/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/47/8e/60/478e606f-4f22-cced-ac5f-bffd15a13077/5.jpeg/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ad/88/2e/ad882e07-34e0-0b1e-6c5c-a9332c7667bd/3.jpeg/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/16/b5/9f/16b59f4e-9149-c5e0-fbc4-1f2ae6388c5d/4.jpeg/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f6/fb/74/f6fb74be-aaa7-71cd-c7d8-569f7123ed26/1.jpeg/1242x2688.png)



## CK-IN In-App Purchases
| Item | Price |
|------|-------|
| Premium Monthly Subscription | $7.99 |
| Premium Annual Subscription | $69.99 |
| Circle Premium Access | $2.99 |



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---

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