Comparison

Adiem vs FastTrack

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

Head to head
About

Adiem

This app uses personalized haptic rhythms based on your heart data to help you self-regulate and feel calm in social situations. It discreetly guides your body into a relaxed state through subtle vibrations on your wrist.

Highlights
  • Personalized haptic feedback
  • Apple Watch integration
  • Adaptive rhythm adjustment
  • Seamless and private operation
  • Supports emotional regulation
  • Based on heart data
Features
Read full description

Find your calm. Feel it from your wrist. Adiem delivers gentle haptic rhythms through your Apple Watch — personalized to your heart data — that help your body settle into a calmer, more grounded state. It's like music you don't just hear — you feel. Using real-time analysis of your heart rate and variability, Adiem creates a soothing pulse that mirrors your most resilient state. You'll feel this rhythm on your wrist for one minute, every three minutes — quietly guiding your body toward calm. Key Features: 1. Personalised Calming Rhythms Adiem adapts its haptic rhythm to your unique biometrics — heart rate, variability, and resting baseline. Support that's made for your body. 2. Live Dashboard & Insights Track every session in real time. See your Calming Effect, heart rate trends, and how your body responds — all in a clean, private dashboard at adiem.com. 3. Trends That Grow With You The more you use Adiem, the smarter it gets. Unlock personal insights over time — your best time of day, your calming trend, which session length works best, and even how weather affects your calm. 4. Effortless Apple Watch Integration Launch sessions discreetly, anytime, anywhere. Add Adiem as a Watch complication for instant access with one tap. Sessions run for up to 1 hour. 5. Seamless & Private Adiem operates silently in the background. No sounds, no screens, no distractions — just a calm pulse on your wrist while you live your life. How It Works: 1. Start a Session Tap your Apple Watch. Adiem begins reading your heart and delivering personalized haptic rhythms — quietly, invisibly. 2. Feel Your Body Settle Subtle vibrations sync with your heart's rhythm, gently guiding your body into a more relaxed state. Like slow breathing, but through touch. 3. See Your Progress After each session, your dashboard shows exactly what happened — how your heart rate shifted, how your body responded, and how this session compares to others. Who Is Adiem For? Anyone seeking calm, focus, or ease — privately, in everyday life. Whether you're managing anxiety, navigating social situations, preparing for a challenging moment, or simply want to feel more grounded, Adiem helps you stay centered and present. The Science Behind Adiem: Developed with leading universities in neuroscience and physiology. In our first published study, users showed a 12% increase in cognitive empathy — a key trait for meaningful connection. Ongoing research continues to validate Adiem's impact on emotional well-being and real-world resilience. Start free. Upgrade when you're ready. Learn more at adiem.com

About

FastTrack

Features
Read full description

FastTrack is a fasting timer that does one thing and does it well. No articles. No quizzes. No AI coaching. Just a timer. Start your fast with one tap. A clean countdown shows exactly where you are: fasting or eating, hours remaining, progress at a glance. ALL FASTING PLANS FREE • 16:8 - The most popular intermittent fasting schedule • 18:6, 20:4, OMAD (23:1) - For experienced fasters • Custom - Set your own fasting and eating windows TRACK YOUR PROGRESS • Calendar view with colour-coded history - see your streaks at a glance • Stats dashboard - current streak, longest streak, total fasts, total hours fasted • Full history of every fast - duration, completion status, start and end times HOME SCREEN WIDGET • See your current fast status without opening the app • Time remaining and fasting phase right on your home screen BUILT FOR SIMPLICITY • No account required - everything stays on your device • No internet needed - works fully offline • No bloat - we will never add meal logging, social features, or calorie counting All fasting plans free. 16:8, 18:6, 20:4, OMAD, and custom. Upgrade to Premium for streaks, stats, calendar history, the home screen widget, and custom app icons. FastTrack is not a medical device. Consult a healthcare professional before starting any fasting regime. Privacy Policy: https://sites.google.com/view/ces-privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Adiem4 screens
FastTrack4 screens

Verdict

The call

The clearest difference is in-app purchases: Adiem at none against FastTrack's 2. FastTrack's advantage is update cadence (every 5 days vs every 2 months) and iOS requirement (14.0 vs 18.0). On price, 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

Both are free to download. FastTrack sells 2 in-app purchases, starting at $2.99 per year. Adiem asks for nothing beyond the download.

UpkeepUpdate frequency

Adiem ships an update every 2 months, FastTrack every 5 days. Both last shipped on September 29, 2026.

Scorecard3 real differences · 7 level
Adiem versus FastTrack: the parameters behind the verdict, then further details
ParameterAdiemFastTrack
PriceFreeFree
Rating5.0 (10 ratings) — better—
Positive reviews76.9% of reviews—
Number of ratings10 — better—
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS18.014.0 — better
Further details — not scored
Size35 MB49 MB
Age rating4+4+
DeveloperAdiemFernando Mendes

In-app purchases

None

Adiem

No in-app purchases

2 purchases

FastTrack

Subscriptions1
  • Yearly3 Days trial$2.991 Year
One-time1
  • Lifetime$5.99

Questions

Is Adiem free?
Adiem is free to download, with no in-app purchases.
Is FastTrack free?
FastTrack is free to download, with in-app purchases available.
Do Adiem or FastTrack have ads?
Neither Adiem nor FastTrack shows ads.
Which is updated more often, Adiem or FastTrack?
Adiem ships an update every 2 months, and FastTrack every 5 days. Most recently, Adiem was updated on September 29, 2026 and FastTrack on September 29, 2026.

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