Windmill Bike vs Rhythma
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Windmill Bike
Easily rent and ride a bike to explore Kinderdijk. Reserve and unlock a bike at designated parking spots to begin your adventure in minutes.
- Bike reservation
- Unlock bikes remotely
- Multiple parking locations
- Quick signup process
- Explore Kinderdijk
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Download de Windmill Bike app, sign up and start riding in minutes. Simply reserve and unlock a Windmill Bike at any of our parking locations. Please visit windmillbike.nl/how-to-ride/ for more information
Rhythma
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Your cycle doesnβt happen separately from your life. Rhythma brings your cycle and calendar together, helping you plan with your bodyβnot against it. Log the first day of your period in one tap, see where you are in your cycle, and get predictions for your next period and optional ovulation window. Connect your iPhone calendar to view upcoming events alongside your cycle. Rhythma helps you notice busy days, create space for recovery, and choose better moments for demanding work, workouts, meetings, and rest. With Rhythma, you can: β’ Log your period quickly β’ See your current cycle day and phase β’ View predicted periods across the year β’ Optionally estimate ovulation and fertile days β’ Sync with Apple Calendar β’ See events and workouts alongside your cycle β’ Receive phase-aware planning suggestions β’ Switch between light and dark themes β’ Use the app in English or Ukrainian Your calendar shows what you have planned. Rhythma adds the context of how you may feel. Cycle and ovulation predictions are estimates for informational and wellness purposes only. Rhythma is not a medical device and should not be used for diagnosis or contraception. Privacy Policy: https://iulianaiagodka.github.io/Rhythma/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Windmill Bike at none against Rhythma's 2. Rhythma's advantage is update cadence (every 2 weeks vs every 3 months). 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. Rhythma sells 2 in-app purchases, starting at $2.99 per month. Windmill Bike asks for nothing beyond the download.
Windmill Bike ships an update every 3 months, Rhythma every 2 weeks. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.
| Parameter | Windmill Bike | Rhythma |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | β |
| Update frequency | Every 3 months | Every 2 weeks β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Monetization | Free | β |
| Devices | iPhone, iPod β better | iPhone |
| Requires iOS | 15.6 β better | 16.4 |
| Further details β not scored | ||
| Size | 69 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | X-Bike B.V. | Iuliana Iagodka |
In-app purchases
Windmill Bike
No in-app purchases
Rhythma
- Rhythma Plus Monthly$2.991 Month
- Rhythma Plus Annual$14.991 Year
Questions
Is Windmill Bike free?
Is Rhythma free?
Do Windmill Bike or Rhythma have ads?
Which is updated more often, Windmill Bike or Rhythma?
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