Comparison

Empty Fasting vs FastingCat

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

Head to head
About

Empty Fasting

This app helps users focus on a single fasting period at a time, offering both overnight and daytime schedules. It provides customizable themes and icons, home screen widgets, and tracks fasting streaks and trends with encouraging messages.

Highlights
  • Single fast focus
  • Home screen widgets
  • Overnight and daytime schedules
  • Customizable themes and icons
  • Streak and trend statistics
  • Encouragement during fasts
Read full description

· Full-focus on one fast at a time · Home screen widgets & live activities · Overnight and daytime fasting schedules · Make it yours with 6 themes and 18 icons · Statistics for your streaks and trends · Encouragement throughout your fasts

About

FastingCat

Master intermittent fasting with a focused timer and science-backed tracking. Monitor your progress with detailed insights, charts, and smart notifications to stay motivated and in control of your fasting journey. Your privacy is prioritized with on-device data storage and no ads.

Highlights
  • Customizable fasting presets
  • Science-backed fasting zone tracking
  • Detailed progress charts
  • Flexible scheduling with grace days
  • Smart notifications
  • Seamless weight logging
  • On-device data privacy
Features
Read full description

FastingCat is the fast, focused way to master intermittent fasting and watch the scale move. The app puts clear metrics and practical tools in your pocket so you can stay consistent, motivated and fully in control—for absolutely free. Why FastingCat? • Simple setup: pick a preset (16-8, 18-6, 20-4, 24-hour, alternate-day or create your own) and start the timer with one tap. • Science-backed tracking: see exactly when you move from Anabolic to Catabolic, Fat Burning, Ketosis, Deep Ketosis and Autophagy. • Deep insights at a glance: total fasting hours, completed fasts, streak length, best streak, grace days used, weight change and more. • Rich charts: overlay weight and fasting windows, follow your progress week over week and celebrate each downward trend. • Flexible scheduling: choose specific weekdays or let FastingCat ignore a set number of grace days so real life never breaks your streak. • Smart notifications: get reminded when your eating window closes, when a zone switches or when it is time to break your fast. • Seamless weight logging: import weight from the Health app or type manually; all data stays on device. • No account required, no ads, no cloud storage. Your privacy stays yours. Power users can: • Fine-tune presets with second-level precision • Track progress in both metric and imperial units How we keep you motivated • Streak tracking rewards consistency • Milestone badges for total hours and longest fast • Detailed fasting zone timeline so you can actually “see” ketosis flip on • Fast completion reports you can share anywhere Who is FastingCat for? • Beginners starting a weight-loss journey • Athletes cutting fat without losing muscle • Biohackers chasing autophagy benefits • Anyone who wants a distraction-free fasting timer with serious stats Disclaimer FastingCat is a lifestyle tracker, not medical advice. Intermittent fasting may not suit everyone. Consult a qualified healthcare professional before making any dietary or exercise changes. Privacy and Terms Your data never leaves your device unless you choose to export it. See the full policies: • Privacy Policy: https://sites.google.com/view/fastingcat-privacy-policy/home • Terms of Use: https://sites.google.com/view/fastingcat-terms-of-use/home

Screenshots

Empty Fasting4 screens
FastingCat4 screens

Verdict

The call

The clearest difference is in-app purchases: Empty Fasting at none against FastingCat's 10. FastingCat's advantage is review sentiment (100% vs 83%). On price, rating, ratings volume and update cadence 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. FastingCat sells 10 in-app purchases, starting at $0.99 per month. Empty Fasting asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

FastingCat holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 68 and 55 respectively. Written reviews point the same way: 83% of Empty Fasting's written reviews are positive against 100% of FastingCat's.

UpkeepUpdate frequency

Empty Fasting ships an update every 3 days, FastingCat every 6 days. The most recent releases landed on August 15, 2026 and August 7, 2026 respectively.

Scorecard3 real differences · 7 level
Empty Fasting versus FastingCat: the parameters behind the verdict, then further details
ParameterEmpty FastingFastingCat
PriceFreeFree
Rating4.7 (68 ratings)4.9 (55 ratings) — better
Positive reviews83.3% of reviews100.0% of reviews — better
Number of ratings68 — better55
Update frequencyEvery 3 days — betterEvery 6 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS17.017.0
Further details — not scored
Size169 MB24 MB
Age rating17+4+
DeveloperLight NudgeProApps Solutions

Customer experience

Empty Fasting

All ratings68 ratings
Positive92.6%
Neutral1.5%
Negative5.9%
Written reviews54 reviews
Positive83.3%
Neutral5.6%
Negative11.1%

FastingCat

All ratings52 ratings
Positive96.2%
Neutral1.9%
Negative1.9%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Empty Fasting

No in-app purchases

10 purchases

FastingCat

Subscriptions5
  • Monthly Donation (Cookie)$0.991 Month
  • Monthly Donation (Donut)$2.491 Month
  • Monthly Donation (Smoothie)$4.991 Month
Show 2 more
  • Monthly Donation (Salad)$7.991 Month
  • Monthly Donation (Protein)$9.991 Month
One-time5
  • One-time Donation (Coffee)$1.99
  • One-time Donation (Sandwich)$4.99
  • One-time Donation (Pizza)$9.99
Show 2 more
  • One-time Donation (Groceries)$24.99
  • One-time Donation (Books)$49.99

Questions

Is Empty Fasting free?
Empty Fasting is free to download, with no in-app purchases.
Is FastingCat free?
FastingCat is free to download, with in-app purchases available.
Which has better reviews, Empty Fasting or FastingCat?
FastingCat is rated higher. Empty Fasting averages 4.7 out of 5 from 68 ratings, while FastingCat averages 4.9 from 55 ratings.
Do Empty Fasting or FastingCat have ads?
Neither Empty Fasting nor FastingCat shows ads.
Which is updated more often, Empty Fasting or FastingCat?
Empty Fasting ships an update every 3 days, and FastingCat every 6 days. Most recently, Empty Fasting was updated on August 15, 2026 and FastingCat on August 7, 2026.

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