# Meditation Timer Meiso vs NeuroHeart Sync

The clearest difference is rating: Meditation Timer Meiso at 4.8 against NeuroHeart Sync's 3.0. Meditation Timer Meiso also leads on update cadence (every 9 days vs every 3 weeks). NeuroHeart Sync's advantage is review sentiment (100% vs 63%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Meditation Timer Meiso holds the better App Store score, 4.8 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews complicate that: 63% of Meditation Timer Meiso's written reviews are positive against 100% of NeuroHeart Sync's, so the app with the better star average is not the one people write more warmly about.

Meditation Timer Meiso ships an update every 9 days, NeuroHeart Sync every 3 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Meditation Timer Meiso | NeuroHeart Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/meditation-timer-meiso/id1275995234/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/neuroheart-sync/id6773976632/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 62.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 5 MB | 8 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Yamaji](https://appshunter.io/developer/1270013649) | [Sreekanth Gopi](https://appshunter.io/developer/6773976634) |

## What reviewers say

### Meditation Timer Meiso

[App page](https://appshunter.io/ios/app/meditation-timer-meiso/id1275995234)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### NeuroHeart Sync

[App page](https://appshunter.io/ios/app/neuroheart-sync/id6773976632)

This AI-powered companion offers personalized mindfulness, relaxation, and stress reduction through guided meditations, journaling, and calming audio. It integrates with Apple Watch to help users build awareness, focus, and emotional balance for a healthier lifestyle.

**Highlights:** AI-guided wellness conversations, Personalized meditation experiences, Guided breathing exercises, Reflective journaling support, Apple Watch integration, Mindfulness and relaxation tools, Wellness insights and progress tracking

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Meditation Timer Meiso free?

Meditation Timer Meiso is free to download, with no in-app purchases.

### Is NeuroHeart Sync free?

NeuroHeart Sync is free to download, with no in-app purchases.

### Which has better reviews, Meditation Timer Meiso or NeuroHeart Sync?

Meditation Timer Meiso is rated higher. Meditation Timer Meiso averages 4.8 out of 5 from 4 ratings, while NeuroHeart Sync averages 3.0 from 2 ratings.

### Do Meditation Timer Meiso or NeuroHeart Sync have ads?

Neither Meditation Timer Meiso nor NeuroHeart Sync shows ads.

### Which is updated more often, Meditation Timer Meiso or NeuroHeart Sync?

Meditation Timer Meiso ships an update every 9 days, and NeuroHeart Sync every 3 weeks. Most recently, Meditation Timer Meiso was updated on November 6, 2026 and NeuroHeart Sync on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*