Core Change vs CheckFit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Core Change
Browse and purchase class packs or memberships, view the class schedule, and filter by type. Easily manage your reservations, book classes, and track your upcoming sessions to stay committed to your fitness goals.
- Purchase class packs and memberships
- View and filter class schedule
- Manage class reservations
- Book upcoming classes
- Track fitness goals
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Features: -Purchase Class Packs and Memberships Easily browse and purchase our class packs or membership options -View our schedule Filter classes by type to find the perfect fit for your routine. -Manage your reservations Book your class reservations with ease. Keep track of your upcoming classes and manage your schedule to stay organized and committed to your fitness goals.
CheckFit
This app provides adaptive strength training programs tailored to your goals, equipment, and schedule. It automatically adjusts your workouts based on your performance, ensuring continuous progress without guesswork. Focus on lifting and let the plan guide your gains.
- Personalized strength training programs
- Adaptive weekly adjustments
- Progressive overload built-in
- Fast workout logging
- Strength and performance tracking
- Progress insights over time
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You've been showing up. Three, four, maybe five days a week. You've put in the work. But building muscle isn't just about effort. It takes the right training and a plan that adapts as you get stronger. Most fitness apps tell you what happened. CheckFit tells you what to do next. CheckFit is a subscription app. A paid subscription is required to generate and follow a program, and new members start with a 7-day free trial. Get a personalized strength training program built around your goals, experience, equipment, and schedule. Every workout is planned for you, so you can focus on lifting—not deciding what to do. As you train, CheckFit adapts. Your weights, volume, and progression evolve based on your performance, helping you continue making progress without guesswork. FEATURES (included with your subscription) • Personalized strength training programs • Matched to your goals, equipment, and schedule • Progressive overload built into every program • Adaptive weekly adjustments • Fast workout logging • Strength and performance tracking • Progress insights over time • Made for serious gym training No social feed. No endless scrolling. No distractions. Just a plan, your workout, and the data that proves you're getting stronger. Stop guessing. Start growing. SUBSCRIPTION • Monthly — $20/month • Annual — $200/year New subscribers get a 7-day free trial. Payment is charged to your Apple Account at confirmation of purchase. Your subscription renews automatically unless cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours of the end of the period. Manage or cancel your subscription in your Apple Account settings. Terms of Use: https://checkfit.com/terms Privacy Policy: https://checkfit.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Core Change at none against CheckFit's 2. Core Change also leads on ratings volume (51 vs 1). On price, rating, review sentiment and ads 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. CheckFit sells 2 in-app purchases, starting at $20.00 per month. Core Change asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Core Change against 5.0 for CheckFit. That said, the two scores are not equally well evidenced: Core Change has 51 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
| Parameter | Core Change | CheckFit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (51 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 51 — better | 1 |
| Update frequency | Every 4 weeks | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 38 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | AJC LLC | Trevor Greenleaf |
Customer experience
Core Change
CheckFit
In-app purchases
Core Change
No in-app purchases
CheckFit
- CheckFit Monthly7 Days trial$20.001 Month
- CheckFit Annual7 Days trial$200.001 Year
