Comparison

Rhythm vs Weightkins

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

Weightkins

Features
Read full description

Weightkins is your personal weight tracking assistant that combines powerful features with a delightful, easy-to-use interface. Whether you’re just starting your wellness journey or maintaining your goals, Weightkins provides the tools and support you need to succeed. Key Features: • Visual progress tracking with interactive charts • Seamless Apple Health integration • Weekly check-in reminders • Detailed statistics including total weight loss and loss percentage • Simple and intuitive weight logging • Complete weight history with easy editing • Privacy-focused design Weightkins syncs with Apple Health, allowing you to maintain a comprehensive health profile alongside your other fitness data. The app shows you important metrics at a glance, including your starting weight, current weight, total loss, and loss percentage. Privacy & Security: • No account required • Data stored locally on your device • Optional Apple Health integration • No third-party analytics

Screenshots

Rhythm4 screens
Weightkins3 screens

Verdict

The call

Rhythm and Weightkins 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

Rhythm ships an update every 13 months, Weightkins every 19 months. The most recent releases landed on October 20, 2026 and October 4, 2026 respectively.

ScorecardNo meaningful differences
Rhythm versus Weightkins: the parameters behind the verdict, then further details
ParameterRhythmWeightkins
PriceFreeFree
Rating4.7 (458 ratings) — better—
Positive reviews88.6% of reviews—
Number of ratings458 — better—
Update frequencyEvery 13 months — betterEvery 19 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS17.6 — better18.1
Further details — not scored
Size3 MB2 MB
Age rating12+4+
DeveloperBijan CroninBrad Butner

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

Weightkins

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Rhythm

No in-app purchases

None

Weightkins

No in-app purchases

Questions

Is Rhythm free?
Rhythm is free to download, with no in-app purchases.
Is Weightkins free?
Weightkins is free to download, with no in-app purchases.
Do Rhythm or Weightkins have ads?
Neither Rhythm nor Weightkins shows ads.
Which is updated more often, Rhythm or Weightkins?
Rhythm ships an update every 13 months, and Weightkins every 19 months. Most recently, Rhythm was updated on October 20, 2026 and Weightkins on October 4, 2026.

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