Comparison

Adiem vs iCountdownClock

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

iCountdownClock

Features
Read full description

iCountdownClock keeps you focused on what's ahead — the vacation, the birthday, the big day you've been working toward. Set it up on your iPhone and watch your countdowns live right on your wrist or iPhone home screen. Scrollable event tiles on Apple Watch Every countdown you care about, organized as color-coded tiles you can scroll through at a glance. Blue for your featured event, purple for upcoming, green when it arrives. Always on your watch face Pin your most important event as a watch face complication — the countdown is there the moment you raise your wrist, without opening a thing. Arrival celebration When your moment finally comes, iCountdownClock celebrates with you on the watch — confetti, a custom notification, and a little well-deserved fanfare. Stress relief, done differently Most wellness apps detect low heart rate variability and tell you that you're stressed — which isn't exactly helpful. iCountdownClock does something different: when your Apple Watch senses elevated stress, it quietly reminds you of something you're looking forward to. A nudge toward optimism, not anxiety. Private by design All your data stays on your devices. Nothing is sent to any server. Pricing Free for one countdown event — everything included. Unlock unlimited events for a one-time $2.99 in-app purchase. No subscription, no recurring charges.

Screenshots

Adiem4 screens
iCountdownClock2 screens

Verdict

The call

The clearest difference is in-app purchases: Adiem at none against iCountdownClock's 1. On price, update cadence, 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. iCountdownClock sells 1 one-off in-app purchase. Adiem asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 29, 2026 and October 3, 2026 respectively.

Scorecard1 real difference · 9 level
Adiem versus iCountdownClock: the parameters behind the verdict, then further details
ParameterAdiemiCountdownClock
PriceFreeFree
Rating5.0 (10 ratings) — better—
Positive reviews76.9% of reviews—
Number of ratings10 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, Apple WatchiPhone, Apple Watch
Requires iOS18.0 — better18.2
Further details — not scored
Size35 MB2 MB
Age rating4+12+
DeveloperAdiemLaure Chipman

In-app purchases

None

Adiem

No in-app purchases

1 purchases

iCountdownClock

One-time1
  • Unlimited Events$2.99

Questions

Is Adiem free?
Adiem is free to download, with no in-app purchases.
Is iCountdownClock free?
iCountdownClock is free to download, with in-app purchases available.
Do Adiem or iCountdownClock have ads?
Neither Adiem nor iCountdownClock shows ads.
Which is updated more often, Adiem or iCountdownClock?
Adiem ships an update every 2 months, and iCountdownClock every 2 months. Most recently, Adiem was updated on September 29, 2026 and iCountdownClock on October 3, 2026.

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