Comparison

Rhythm vs Time to fast!

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

Time to fast!

Easily monitor your intermittent fasting schedule with a visual 24-hour timeline. Adjust plans, track progress, and receive timely notifications for fasting and eating periods. Save your results and review past fasting records to stay on track with your health goals.

Highlights
  • Circular 24-hour timeline
  • Adjustable fasting plans
  • Save and edit fasting results
  • Past fasting records review
  • Fasting start/end notifications
  • Pre-set fasting plans
Features
Read full description

Easily track your intermittent fasting schedule with a circular 24-hour timeline that clearly shows your fasting and eating periods. Your current status and remaining time are always at your fingertips. You have the flexibility to adjust your fasting plans at any time and save your results once your fasting window is complete. Plus, you can conveniently access your past fasting records! - Simply press the start/stop button to initiate the timer according to your chosen plan. - Modify your fasting plan on the go, even while the timer is running. - Choose from five pre-set fasting plans and set your meal times with ease. - Edit the start time for the current session during your fasting period. - Save and edit your most recent fasting results during your eating window. - If fasting feels too challenging today, use the 'Break the Fast' button to end it early and save your progress. - To begin fasting a bit earlier today during your mealtime, select the 'Start Fast Early' button to adjust your fasting start time for this session. - Review your fasting records for the past week in a graph and track your progress in the calendar alongside your goal achievements. - Enable notifications to receive fasting start/end alerts.

Screenshots

Rhythm4 screens
Time to fast!4 screens

Verdict

The call

The clearest difference is update cadence: Time to fast! at every 3 days against Rhythm's every 13 months. Rhythm's advantage is review sentiment (89% vs 71%). On price, ads, in-app purchases and monetization model there is nothing between them.

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, Time to fast! every 3 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
Rhythm versus Time to fast!: the parameters behind the verdict, then further details
ParameterRhythmTime to fast!
PriceFreeFree
Rating4.7 (458 ratings) — better—
Positive reviews88.6% of reviews — better71.4% of reviews
Number of ratings458 — better—
Update frequencyEvery 13 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS17.616.0 — better
Further details — not scored
Size3 MB13 MB
Age rating12+4+
DeveloperBijan CroninEunbee Kang

Customer experience

Rhythm

All ratings444 ratings
Positive91.9%
Neutral3.8%
Negative4.3%
Written reviews236 reviews
Positive88.6%
Neutral5.9%
Negative5.5%

Time to fast!

Written reviews7 reviews
Positive71.4%
Neutral28.6%
Negative0.0%

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

Time to fast!

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Rhythm

No in-app purchases

None

Time to fast!

No in-app purchases

Questions

Is Rhythm free?
Rhythm is free to download, with no in-app purchases.
Is Time to fast! free?
Time to fast! is free to download, with no in-app purchases.
Do Rhythm or Time to fast! have ads?
Neither Rhythm nor Time to fast! shows ads.
Which is updated more often, Rhythm or Time to fast!?
Rhythm ships an update every 13 months, and Time to fast! every 3 days. Most recently, Rhythm was updated on November 2, 2026 and Time to fast! on November 3, 2026.

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