# Meditation Timer Meiso vs Oku

The clearest difference is review sentiment: Oku at 100% against Meditation Timer Meiso's 63%. Oku also leads on rating (5.0 vs 4.8) and iOS requirement (15.1 vs 17.0). Meditation Timer Meiso's advantage is update cadence (every 9 days vs monthly). 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.

Oku holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 63% of Meditation Timer Meiso's written reviews are positive against 100% of Oku's.

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

## The numbers

| Metric | Meditation Timer Meiso | Oku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/meditation-timer-meiso/id1275995234/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/oku-mindful-timer/id6758033917/reviews)** |
| Number of ratings | 4 | 4 |
| Positive reviews | 62.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free | Free |
| Size | 5 MB | 31 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Yamaji](https://appshunter.io/developer/1270013649) | [Clarissa Watanabe](https://appshunter.io/developer/1709730723) |

## 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


### Oku

[App page](https://appshunter.io/ios/app/oku-mindful-timer/id6758033917)

A straightforward meditation timer designed for simplicity. It allows users to set meditation durations and choose a completion sound without distractions from subscriptions, guided sessions, or ads. Focus on your practice with just a press of a button.

**Highlights:** Customizable meditation timer (1-90 minutes), Choice of completion sounds (singing bowl, bell, chime), Ad-free experience, No subscriptions required, No account needed, Simple, distraction-free interface

**Features:** macOS Compatibility, 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 Oku free?

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

### Which has better reviews, Meditation Timer Meiso or Oku?

Oku is rated higher. Meditation Timer Meiso averages 4.8 out of 5 from 4 ratings, while Oku averages 5.0 from 4 ratings.

### Do Meditation Timer Meiso or Oku have ads?

Neither Meditation Timer Meiso nor Oku shows ads.

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

Meditation Timer Meiso ships an update every 9 days, and Oku monthly. Most recently, Meditation Timer Meiso was updated on October 24, 2026 and Oku on October 15, 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.*