Comparison

FastRing vs Lockscreen Fasting Timer

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

Head to head
About

FastRing

Features
Read full description

FastRing is the intermittent fasting timer for people who want to fast, not fiddle. One screen. One button. A single beautiful ring that fills as your fast progresses β€” and lives right on your Lock Screen and Dynamic Island, so most days you never even open the app. Dead simple Pick a protocol, tap Start. That's it. The ring shows elapsed time, your goal, and the fasting stage you're in. End your fast from the Lock Screen without unlocking your phone. Presets for every style 16:8, 18:6, 20:4, OMAD (23:1), 36-hour, or any custom length. Started earlier? Backdate it in two taps. The Lock Screen is the app A Live Activity and Dynamic Island keep your ring, elapsed time, and current stage in front of you β€” through fasts as long as 36 hours, with no notifications spam. See your streak build A GitHub-style history heatmap, current and longest streaks, and your 7-day average. Watch the grid fill in. Fasting stages, clearly explained Gentle, optional notes as you move through commonly cited milestones β€” blood sugar settling, glycogen depletion, ketosis, the autophagy window. Framed as commonly cited timelines, not medical advice. Recurring schedules Set protocols like "Every Tuesday" and FastRing pre-arms the fast and reminds you an hour before. Privacy is the whole point No account. No sign-up. No analytics. No third-party anything. Your data lives on your device and syncs only through your own private iCloud. We literally cannot see it. Free forever The full timer, every preset, and your last 7 days of history are free, always. Lifetime Unlock β€” one purchase, $4.99, yours for good: Unlimited history Recurring schedules Home Screen & Lock Screen widgets Stage notifications CSV / JSON export No subscription. No trial that flips into a charge. Pay once, keep it forever. FastRing is not a medical device and does not provide medical advice. Consult a healthcare professional before beginning any fasting regimen, especially if you are pregnant, nursing, diabetic, or have a history of disordered eating.

About

Lockscreen Fasting Timer

Features
Read full description

Keep your fasting window on your Lock Screen, where you already look a hundred times a day. Set your eating hours once. The rest follows on its own, every day. A clean widget shows what is happening right now: "Fast until 8:00 AM" while you fast, "Eat until 6:00 PM" once your window opens. No numbers ticking, no app to open, just a glance. WHAT YOU GET - Your fast, right on the Lock Screen, in real time - A widget for the Lock Screen and the Home Screen - Fasting and eating that switch automatically at the right time - Gentle reminders when a fasting or eating window begins - Set it once and let it repeat every day HOW IT WORKS Pick when your fasting starts and how long it lasts. Your eating window fills in the rest. Add the widget to your Lock Screen and you are done. It quietly follows your schedule from then on. MADE SIMPLE ON PURPOSE No food logging, no charts to keep up with, no clutter. One glance tells you where you are in your day. PRO Unlock everything with a subscription. It is auto-renewable and billed monthly, and it renews until you cancel. You can cancel anytime in your Apple Account settings. Payment is charged to your Apple Account at confirmation. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cofounder.co.kr/fasting/privacy

Screenshots

FastRing4 screens
Lockscreen Fasting Timer4 screens

Verdict

The call

FastRing and Lockscreen Fasting Timer are too close to call on the numbers: across 5 compared parameters β€” price, ads, in-app purchases and device support among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. FastRing sells 1 one-off in-app purchase and Lockscreen Fasting Timer sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
FastRing versus Lockscreen Fasting Timer: the parameters behind the verdict, then further details
ParameterFastRingLockscreen Fasting Timer
PriceFreeFree
Update frequencyWeeklyβ€”
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS17.0 β€” better18.0
Further details β€” not scored
Size2 MB10 MB
Age rating4+4+
DeveloperHemant KaushikHosung Hwang

In-app purchases

1 purchases

FastRing

One-time1
  • Lifetime Unlock$4.99
1 purchases

Lockscreen Fasting Timer

Subscriptions1
  • Lockscreen Fasting PRO$0.991 Month

Questions

Is FastRing free?
FastRing is free to download, with in-app purchases available.
Is Lockscreen Fasting Timer free?
Lockscreen Fasting Timer is free to download, with in-app purchases available.
Do FastRing or Lockscreen Fasting Timer have ads?
Neither FastRing nor Lockscreen Fasting Timer shows ads.

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