Rhythm vs Cavnter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rhythm
This app simplifies intermittent fasting with a daily tracker. It supports various fasting schedules, from beginner-friendly to advanced, and helps users monitor their progress over time. Get notifications when your fast is complete.
- Daily fasting tracker
- Flexible schedule support
- Weekly progress tracking
- Customizable fasting goals
- One-click start
- Progress monitoring
- Completion notifications
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Rhythm is a simple intermittent fasting tracker for people who want a clean fast timer without the bloat. No account. No ads. Just a focused way to start a fast, stay on track, and review your history when you're done. Choose any fasting goal from 7 to 24 hours, including popular rhythms like 16:8 and 18:6. Start a fast in seconds, follow your progress live, and switch between countdown and elapsed timer views. Rhythm helps you stay consistent with: - flexible fasting goals - multiple fasts in the same day - reminder and completion notifications - editable fasting history - weekly progress insights If you want a fasting app that feels simple, respectful, and easy to trust, Rhythm gives you the essentials and gets out of your way.
Cavnter
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Cavnter is a daily tracker for calories, habits, or any unit you count. Spin the wheel, tap a quantity, and the day updates. Swipe to move between days. Open the calendar to review your progress over time. TRACK YOUR WAY • Wheel input: spin to pick a quantity, with haptic ticks. • Quantity buttons: set your own one-tap amounts. • Calorie calculator: enter the kcal and protein per 100 g, enter the grams you ate, and log the result. • Favorites: save frequent entries and log them with one tap. • Daily max: set a limit and watch each day fill toward it. • Notes: keep short notes for every day. • Calendar: see all your days at a glance. • Presets: start as a calories tracker or as a single-unit counter. • Reminders: local notifications nudge you to log. YOUR DATA STAYS YOURS Cavnter has no account and no sign-up. Everything you track stays on your device. The app collects no analytics, shows no ads, and uses no third-party tracking. Export a JSON backup at any time from Settings and store it wherever you want.
Screenshots
Verdict
Rhythm and Cavnter are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 13 months. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.
| Parameter | Rhythm | Cavnter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (458 ratings) — better | — |
| Positive reviews | 88.6% of reviews | — |
| Number of ratings | 458 — better | — |
| Update frequency | Every 13 months | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 17.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 3 MB | 40 MB |
| Age rating | 12+ | 4+ |
| Developer | Bijan Cronin | Ruben Sospedra |
Bugs and requests
Rhythm
Reported bugs
2 issues- Can't add past fasts
- Inconsistent weekly progress tracking
Requested features
5 requests- Ability to track longer fasts (e.g., 48-72 hours)
- Option to view fasting history beyond the past week
- Customizable notifications and reminders
- Integration with health/fitness tracking apps
- Weight tracking and progress visualization
Cavnter
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Rhythm
No in-app purchases
Cavnter
No in-app purchases









