Comparison

Meditation Timer Meiso vs ZenFlow

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

Head to head
About

Meditation Timer Meiso

This app offers a simple, ad-free meditation timer with real-time heart rate variability analysis. Track your progress with a contribution graph, achieve badges, and use it standalone on Apple Watch. Integrates with HealthKit and supports multiple languages.

Highlights
  • Real-time HRV analysis
  • Countdown and count-up modes
  • 12-month contribution graph
  • Achievement system
  • Standalone Apple Watch app
  • HealthKit integration
  • Home screen widgets
Features
Read full description

Make quiet time a daily habit. Meiso is a meditation timer without ads or subscriptions. Set a timer, keep a session log, and meditate at your own pace. TIMER Choose a preset such as 3 or 5 minutes, or use count-up mode without a time limit. Switch the ending sound and vibration on or off. SESSION LOG Review your activity graph, weekly meditation time, streaks and total time. Achievement badges help you track milestones. APPLE WATCH Use the timer without keeping your iPhone nearby, then sync your session history to iPhone. WIDGETS AND HEALTH Home screen widgets and Live Activities are supported. With your permission, save meditation time as Mindful Minutes in Apple Health. HEART RATE VARIABILITY (HRV) Record and analyze metrics such as SDNN and RMSSD using beat intervals from a compatible Bluetooth heart rate sensor. Apple Watch uses available heartbeat data. Compatible hardware and permissions are required; available data and metrics depend on recording conditions. An iPhone alone cannot measure HRV in this app. HRV displays are reference information for personal reflection. They do not establish meditation benefits or assess your health, and are not for diagnosis, treatment or medical decisions. Consult a healthcare professional for medical advice. YOUR PREFERENCES Light and dark modes. Japanese, English, Chinese, Korean and Spanish. Free to use, with no ads, subscriptions or account registration. Compatible external hardware is obtained separately.

About

ZenFlow

Features
Read full description

zenflow is a meditation timer for people who already sit. set a length. sit. one bell at the end. no course, no voice, nothing that nags — just the room to practice. — what zenflow is — a quiet instrument, not a program. you set the length; zenflow keeps the time and closes the sit with a single Tibetan singing bowl. a soft bell opens, one closes — and silence, or a gentle sound, in between. the screen stays awake while you sit, and the timer keeps true time even if you lock the phone. — for experienced meditators — made for zazen, vipassana and shamatha. no guidance, no lessons, no levels. five minutes or an hour and a half — if you already know how to sit, zenflow is the tool that stays out of your way. — what's inside — • a timer with a soft opening bell and one closing bell (Tibetan bowl) • sits from 5 minutes up to 90 • interval bells, only if you want them: one soft bell every few minutes • 9 ambient sounds: rain, ocean, forest, fireplace, wind, birds, thunder, white noise, creek — or silence. listen before you choose. • breathing: 4-7-8 and box, with a calm animation • a quiet record of your sits with gentle stats and a soft streak • an optional daily reminder, once a day, at a time you choose • dark mode, 7 languages, ensō and washi-paper design — honest about money — free: 5-, 10- and 15-minute sits, two sounds (rain + silence), 4-7-8 breath, and your record. premium (optional): longer sits up to 90 minutes, interval bells, all 9 sounds, box breathing, and a daily goal. monthly, or yearly with a 7-day free trial for new subscribers — cancel anytime. or pay once for lifetime premium. — what zenflow does not do — no ads. no guided courses, no voice-overs. no bells or reminders you didn't ask for. no guilt when you skip a day. — privacy, honestly — no account required to start: until you make one, your record stays on this device. an account is optional; with one, your record syncs to your own private account on servers in the EU. nothing is sold or shared with advertisers. for stability we collect only anonymous crash and usage diagnostics. sit whenever you like. zenflow waits quietly. — terms — terms of use (EULA): https://www.zenflow.day/terms privacy policy: https://www.zenflow.day/privacy

Screenshots

Meditation Timer Meiso3 screens
ZenFlow4 screens

Verdict

The call

The clearest difference is in-app purchases: Meditation Timer Meiso at none against ZenFlow's 2. Meditation Timer Meiso also leads on update cadence (every 9 days vs every 3 weeks). ZenFlow's advantage is iOS requirement (15.1 vs 17.0). 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. ZenFlow sells 2 in-app purchases, starting at $3.99 per month. Meditation Timer Meiso asks for nothing beyond the download.

UpkeepUpdate frequency

Meditation Timer Meiso ships an update every 9 days, ZenFlow every 3 weeks. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 7 level
Meditation Timer Meiso versus ZenFlow: the parameters behind the verdict, then further details
ParameterMeditation Timer MeisoZenFlow
PriceFreeFree
Rating4.8 (4 ratings) — better—
Positive reviews62.5% of reviews—
Number of ratings4 — better—
Update frequencyEvery 9 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size5 MB48 MB
Age rating4+4+
DeveloperMasayuki YamajiDJUMP, MB

In-app purchases

None

Meditation Timer Meiso

No in-app purchases

2 purchases

ZenFlow

Subscriptions2
  • ZenFlow Premium Monthly$3.991 Month
  • ZenFlow Premium Yearly$23.991 Year

Questions

Is Meditation Timer Meiso free?
Meditation Timer Meiso is free to download, with no in-app purchases.
Is ZenFlow free?
ZenFlow is free to download, with in-app purchases available.
Do Meditation Timer Meiso or ZenFlow have ads?
Neither Meditation Timer Meiso nor ZenFlow shows ads.
Which is updated more often, Meditation Timer Meiso or ZenFlow?
Meditation Timer Meiso ships an update every 9 days, and ZenFlow every 3 weeks. Most recently, Meditation Timer Meiso was updated on October 24, 2026 and ZenFlow on October 15, 2026.

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