# Oku vs U4U

The clearest difference is device support: Oku at 3 against U4U's 1. Oku also leads on iOS requirement (15.1 vs 17.6). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Oku against 5.0 for U4U. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Oku ships an update monthly, U4U every 4 weeks. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Oku | U4U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/oku-mindful-timer/id6758033917/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/u4u/id6760532323/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 31 MB | 185 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Clarissa Watanabe](https://appshunter.io/developer/1709730723) | [U4U Inc](https://appshunter.io/developer/1884829596) |

## What reviewers say

### 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


### U4U

[App page](https://appshunter.io/ios/app/u4u/id6760532323)

A positive community for teen girls aged 11-18 to connect, grow, and support each other. Participate in challenges, track well-being, and earn rewards for personal development.

**Highlights:** Join supportive Houses, Make friends and connect, Complete fun challenges, Earn redeemable rewards, Track mood and habits, Focus on personal growth pillars

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Oku free?

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

### Is U4U free?

U4U is free to download, with no in-app purchases.

### Which has better reviews, Oku or U4U?

Oku and U4U are both rated 5.0 out of 5 on the App Store, from 4 and 5 ratings respectively.

### Do Oku or U4U have ads?

Neither Oku nor U4U shows ads.

### Which is updated more often, Oku or U4U?

Oku ships an update monthly, and U4U every 4 weeks. Most recently, Oku was updated on October 15, 2026 and U4U on October 5, 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.*