Comparison

Meditation Timer Meiso vs Interval Timer

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

Interval Timer

Features
Read full description

A clean, powerful interval timer for Tabata, HIIT, boxing, running intervals, EMOM, AMRAP and custom workouts. No ads. No account. Start your workout in one tap and follow clear voice, bell and haptic cues, so your focus stays on training instead of on your phone. BUILT FOR REAL TRAINING Designed for workouts where every second matters: • Tabata 20s work / 10s rest • HIIT circuits • Boxing and MMA rounds • Run / walk intervals • EMOM and AMRAP workouts • Mobility, stretching and custom routines TRAIN BY SOUND Choose the cue style that fits your session: • Voice Coach for guided intervals • Boxing Bell for round-based training • Music Friendly mode for workouts with music • Silent Haptics when you want no sound BIG TIMER. ZERO GUESSING. The workout screen is built to be readable while moving: • Huge countdown numbers • Clear WORK and REST states • Color-coded phases • Next interval preview • Round progress • Simple pause, skip and stop controls CUSTOM ROUTINES Build your own interval structure in seconds: • Work duration • Rest duration • Rounds • Warmup and cooldown • Sound mode • Custom Tabata, HIIT, boxing and running timers MADE TO STAY OUT OF THE WAY Focused, fast and minimal: • One-tap start • Control lock during workouts • Cues keep firing with the screen off • Clean dark interface • No clutter • No social feed • No workout videos you did not ask for Whether you train at home, in the gym, on the track or in a boxing class, this timer keeps you on the next interval. Train by sound. Move on time.

Screenshots

Meditation Timer Meiso3 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is update cadence: Meditation Timer Meiso at every 9 days against Interval Timer's every 5 months. Interval Timer's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Meditation Timer Meiso ships an update every 9 days, Interval Timer every 5 months. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
Meditation Timer Meiso versus Interval Timer: the parameters behind the verdict, then further details
ParameterMeditation Timer MeisoInterval Timer
PriceFreeFree
Rating4.8 (4 ratings) — better—
Positive reviews62.5% of reviews—
Number of ratings4 — better—
Update frequencyEvery 9 days — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size5 MB70 MB
Age rating4+4+
DeveloperMasayuki YamajiCODEENSIS LTD

In-app purchases

None

Meditation Timer Meiso

No in-app purchases

None

Interval Timer

No in-app purchases

Questions

Is Meditation Timer Meiso free?
Meditation Timer Meiso is free to download, with no in-app purchases.
Is Interval Timer free?
Interval Timer is free to download, with no in-app purchases.
Do Meditation Timer Meiso or Interval Timer have ads?
Neither Meditation Timer Meiso nor Interval Timer shows ads.
Which is updated more often, Meditation Timer Meiso or Interval Timer?
Meditation Timer Meiso ships an update every 9 days, and Interval Timer every 5 months. Most recently, Meditation Timer Meiso was updated on October 16, 2026 and Interval Timer on October 7, 2026.

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