Comparison

FlexiAlarm vs Intermittent Fasting

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

Head to head
About

FlexiAlarm

This app offers intelligent wake-up features for Apple Watch and flexible alarm scheduling for iPhone. Customize wake windows, vibration sensitivity, and alarm repetition to fit your routine. It also provides sleep statistics and calendar event alarms.

Highlights
  • Intelligent Smart Wake on Apple Watch
  • Flexible alarm schedules on iPhone
  • Customizable wake window sensitivity
  • Calendar event alarms
  • Sleep statistics and insights (requires Apple Watch)
  • Power Nap Mode
  • Lucid Dream Alarm Mode
Features
Read full description

Smart Wake on Apple Watch. Flexible Alarms on iPhone. Wake more gently with intelligent Smart Wake on Apple Watch, or build flexible alarm schedules on iPhone. FlexiAlarm gives you control over how—and when—you wake. Smart Wake responds to signs that you’re waking within your chosen wake window, aiming for a gentler start. Adjust its sensitivity, wrist vibrations and snooze to suit you. No Apple Watch? No problem. Use iPhone alarms for shift work, changing rosters and everyday routines. Choose weekdays, repeat every few weeks or select specific dates, then skip or move one alarm when plans change. Smart Wake and sleep statistics require an Apple Watch. Scheduled iPhone alarms, Calendar alarms and timers work without one. One-time purchase. No subscription. IPHONE ALARMS THAT FIT YOUR LIFE • Flexible schedules Set fixed times for your working days, repeat every few weeks or choose individual dates. • Change one alarm, keep your schedule Skip or move a single occurrence without changing the rest. Review upcoming alarms and undo future skips or moves. • Templates, routines and timer sets Save fixed times in a template, build a routine around one start time, or run a sequence of countdowns. Keep different setups ready for workdays, days off and breaks. • Calendar event alarms Choose an event and how early its alarm should ring, or enable automatic event alarms for selected calendars. Your calendar stays unchanged. • Sounds and gentle fade-in Choose a sound, preview its softer fade-in and set separate default sounds for regular and Calendar alarms. Allow Alarms so your iPhone can ring through Silent Mode and Focus. SMART WAKE ON APPLE WATCH • Intelligent wake timing Set your latest wake-up time and choose a window. Smart Wake looks for signs that you’re waking within it instead of relying only on a fixed time. • Adjustable sensitivity and wrist vibrations Fine-tune how readily Smart Wake responds. Choose vibration strength, repeat intervals, increasing vibration and snooze length. • Power Nap Mode Set a dedicated alarm for a quick rest. • Lucid Dream Alarm Mode Automatically stop the alarm after a chosen duration for techniques such as CAN-WILD or DEILD. SLEEP REPORTS AND INSIGHTS Explore sleep recorded by your Apple Watch in Apple Health, including sleep stages, quality insights, history and trends. Keep useful information close with widgets and Watch complications. These sleep features require Apple Watch sleep data. MADE FOR IPHONE DUO Keep alarms and Calendar side by side on the open display, with layouts that adapt when you fold or rotate. Use bedside mode for a dimmable clock, next alarm and countdown, with separate iPhone and Watch status. TWO SYSTEMS, YOUR CHOICE Use iPhone alarms, Watch alarms or both. iPhone alarms follow saved schedules. Watch alarms must be armed manually in FlexiAlarm on your Watch before each sleep and do not repeat automatically. Starting, skipping or stopping one system does not control the other. Prefer your phone? iPhone-only mode focuses on alarms, Library and Calendar, with Watch and sleep features hidden. No account required. Your sleep data stays on your devices. Wake up your way, whatever your schedule. Privacy Policy: https://sites.google.com/view/mildtrainerprivacypolicy/home Terms: https://sites.google.com/view/flexialarmterms/home

About

Intermittent Fasting

This app helps you track your intermittent fasting journey with a simple, private interface. It offers a free tier with essential tracking tools and an optional one-time purchase for advanced features like water and protein tracking, and deeper insights. Your data remains on your device for maximum privacy.

Highlights
  • Intermittent fasting timer
  • Metabolic phase tracking
  • Water and protein tracking
  • Home and Lock Screen widgets
  • Apple Watch integration
  • On-device AI insights
  • Private data storage
Features
Read full description

Fasted is a calm, private intermittent-fasting tracker for iPhone, iPad and Apple Watch. Start a fast in one tap, follow your metabolic phases, and build a streak — no account, no analytics, no ads. Now made for iPad: your timer and your stats side by side, in landscape or portrait, with Split View and keyboard shortcuts. On iPhone, turn it sideways — landscape works too. The fasting basics are free, forever. When you want more, unlock Fasted Pro with a single one-time purchase. Buy once, own forever. No subscription, ever. WHAT'S FREE • Fasting timer — start now, start from your last meal, end, or cancel • All 8 preset plans, plus a custom plan • Metabolic phase tracking • iPhone, iPad and Apple Watch, always in sync • Apple Watch fasting page and complication • Fasting widgets for your Home and Lock Screen • Goal-reached and fasting-window reminders • Current streak, this-week hours, and your recent history • Light, dark, and system themes WHAT FASTED PRO UNLOCKS • Water tracking — goal, one-tap buttons you can customise, pace, reminders, on Watch and widgets • Protein tracking — set a daily goal and quick-add in a tap; rings on iPhone and Watch • Deeper stats — longest streak, 30-day adherence, weekly trends, water and protein streaks, 14-day phase history • On-device AI weekly insight • Phase-transition notifications • Live Activity and Dynamic Island • Siri, Shortcuts, and App Intents Buy once. Own forever. No subscription. ALREADY BOUGHT FASTED? If you previously purchased Fasted, you already own Pro — it unlocks automatically, free, the moment you update. Thank you for being an early supporter. PRIVATE BY DESIGN No account. No analytics. No tracking. Your fasting, water, and protein data stay on your device and sync only through your private iCloud. Optional Apple Health integration for fasts, water and dietary protein, read and write, with your permission. Protein tracking is deliberately simple — a daily goal and quick-add, like the water tracker. No barcode scanning, no calorie or macro counting.

Screenshots

FlexiAlarm4 screens
Intermittent Fasting4 screens

Verdict

The call

The clearest difference is price: Intermittent Fasting at Free against FlexiAlarm's $5.99. Intermittent Fasting also leads on review sentiment (100% vs 75%). FlexiAlarm's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 3 weeks). On rating, ratings volume, ads and device support 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

Intermittent Fasting is free to download; FlexiAlarm costs $5.99 up front. Intermittent Fasting sells 1 one-off in-app purchase. FlexiAlarm asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for FlexiAlarm against 5.0 for Intermittent Fasting. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews are what separate them: 75% of FlexiAlarm's written reviews are positive against 100% of Intermittent Fasting's.

UpkeepUpdate frequency

FlexiAlarm ships an update every 5 days, Intermittent Fasting every 3 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard6 real differences · 5 level
FlexiAlarm versus Intermittent Fasting: the parameters behind the verdict, then further details
ParameterFlexiAlarmIntermittent Fasting
Price$5.99Free — better
Rating5.0 (3 ratings)5.0 (2 ratings)
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings3 — better2
Update frequencyEvery 5 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#40 — better—
DevicesiPhone, Apple WatchiPhone, iPad, Apple Watch — better
Requires iOS26.226.0 — better
Further details — not scored
Size37 MB7 MB
Age rating4+4+
DeveloperNathan WoolmoreCliapis

Customer experience

FlexiAlarm

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Intermittent Fasting

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

FlexiAlarm

No in-app purchases

1 purchases

Intermittent Fasting

One-time1
  • Fasted Pro$4.99

Questions

Is FlexiAlarm free?
FlexiAlarm costs $5.99, with no in-app purchases.
Is Intermittent Fasting free?
Intermittent Fasting is free to download, with in-app purchases available.
Which has better reviews, FlexiAlarm or Intermittent Fasting?
FlexiAlarm and Intermittent Fasting are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.
Do FlexiAlarm or Intermittent Fasting have ads?
Neither FlexiAlarm nor Intermittent Fasting shows ads.
Which is updated more often, FlexiAlarm or Intermittent Fasting?
FlexiAlarm ships an update every 5 days, and Intermittent Fasting every 3 weeks. Most recently, FlexiAlarm was updated on November 8, 2026 and Intermittent Fasting on November 5, 2026.

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