CORE40 AMSTERDAM vs Her Rhythm
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
CORE40 AMSTERDAM
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Download the CORE40 Amsterdam App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, as well as view the studioβs location information. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today! Check out our website at core40.nl for more info.
Her Rhythm
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Her Rhythm is fitness that moves with your body, not against it. Tell the app where you are in your cycle and it recommends the right training for today - push harder in your follicular and ovulatory days, recover smarter around your period, and stop guessing why the same workout feels different week to week. WHAT YOU GET - Daily recommendations tuned to your cycle phase - A catalog of 36 workouts across strength, conditioning, and recovery - full body, legs, core, HIIT, intervals, running, Hyrox, yoga, Pilates, and mobility - Guided sessions with exercise videos, set timers, and rest tracking - Your own weights and reps, remembered per exercise - A calendar to plan your week and a history with streaks and stats - Cycle overview with phase, fertile window, and next-period estimate Your cycle data stays yours: it is used only to personalize your training, never sold, and you can delete your account and all data in the app at any time. Her Rhythm comes with a 14-day free trial. After that, training requires a Premium membership (monthly or annual auto-renewing subscription, billed through your App Store account and cancellable anytime in your App Store settings). Prices are shown in the app before you subscribe. Her Rhythm is a wellness app, not a medical device - cycle estimates are approximations and no substitute for medical advice. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://fitness-core-flux.fly.dev/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: CORE40 AMSTERDAM at none against Her Rhythm's 2. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Her Rhythm sells 2 in-app purchases, starting at $8.99 per month. CORE40 AMSTERDAM asks for nothing beyond the download.
| Parameter | CORE40 AMSTERDAM | Her Rhythm |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | β |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 197 MB | 35 MB |
| Age rating | 4+ | 12+ |
| Developer | CORE40 CENTRUM B.V. | Dayan Jonker |
In-app purchases
CORE40 AMSTERDAM
No in-app purchases
Her Rhythm
- Premium Monthly$8.991 Month
- Premium Annual$49.991 Year









