Comparison

Rhythm vs Cavnter

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Daily fasting tracker
  • Flexible schedule support
  • Weekly progress tracking
  • Customizable fasting goals
  • One-click start
  • Progress monitoring
  • Completion notifications
Features
Read full description

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.

About

Cavnter

Features
Read full description

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

Rhythm4 screens
Cavnter4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 13 months. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

ScorecardNo meaningful differences
Rhythm versus Cavnter: the parameters behind the verdict, then further details
ParameterRhythmCavnter
PriceFreeFree
Rating4.7 (458 ratings) — better—
Positive reviews88.6% of reviews—
Number of ratings458 — better—
Update frequencyEvery 13 monthsEvery 13 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS17.616.4 — better
Further details — not scored
Size3 MB40 MB
Age rating12+4+
DeveloperBijan CroninRuben 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

None

Rhythm

No in-app purchases

None

Cavnter

No in-app purchases

Questions

Is Rhythm free?
Rhythm is free to download, with no in-app purchases.
Is Cavnter free?
Cavnter is free to download, with no in-app purchases.
Do Rhythm or Cavnter have ads?
Neither Rhythm nor Cavnter shows ads.
Which is updated more often, Rhythm or Cavnter?
Rhythm ships an update every 13 months, and Cavnter every 13 months. Most recently, Rhythm was updated on October 20, 2026 and Cavnter on October 17, 2026.

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