# Opus Wellness vs ねむカフェ

The clearest difference is in-app purchases: ねむカフェ at none against Opus Wellness's 2. ねむカフェ also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Opus Wellness's advantage is ads (none vs shown) and update cadence (every 3 days vs every 6 weeks). On price there is nothing between them.

Both are free to download. Opus Wellness sells 2 in-app purchases, starting at $9.99 per month. ねむカフェ asks for nothing beyond the download.

Opus Wellness ships an update every 3 days, ねむカフェ every 6 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Opus Wellness | ねむカフェ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Monetization | — | Ad-supported |
| Size | 9 MB | 36 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Cagri Deliler](https://appshunter.io/developer/1875333124) | [KAZUKI SHIOTSUKI](https://appshunter.io/developer/1885130071) |

## What reviewers say

### Opus Wellness

[App page](https://appshunter.io/ios/app/opus-wellness/id6759484840)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OPUS Pro — Monthly | $9.99 | per month |
| OPUS Pro Yearly | $59.99 | per year |


### ねむカフェ

[App page](https://appshunter.io/ios/app/id6763675304)

This app helps you manage caffeine intake by calculating how much remains in your body based on what you drink and your bedtime. It provides personalized recommendations to help you enjoy caffeinated beverages without compromising your sleep.

**Highlights:** Caffeine remaining calculation, Personalized half-life settings, 3-stage intake recommendations, Customizable beverage list, Consumption logging, Home screen widget

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Opus Wellness free?

Opus Wellness is free to download, with in-app purchases available.

### Is ねむカフェ free?

ねむカフェ is free to download, with no in-app purchases.

### Do Opus Wellness or ねむカフェ have ads?

ねむカフェ shows ads; Opus Wellness does not.

### Which is updated more often, Opus Wellness or ねむカフェ?

Opus Wellness ships an update every 3 days, and ねむカフェ every 6 weeks. Most recently, Opus Wellness was updated on October 31, 2026 and ねむカフェ on November 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.*