# OmceanBooking vs Slumber Copilot

The clearest difference is in-app purchases: OmceanBooking at none against Slumber Copilot's 2. OmceanBooking also leads on update cadence (monthly vs every 3 months). Slumber Copilot's advantage is iOS requirement (14.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Slumber Copilot sells 2 in-app purchases, starting at $3.99 per month. OmceanBooking asks for nothing beyond the download.

OmceanBooking ships an update monthly, Slumber Copilot every 3 months. The most recent releases landed on October 24, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | OmceanBooking | Slumber Copilot |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 176 MB | 72 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Westman](https://appshunter.io/developer/1484789449) | [Wuhan Yunji Technology Co., Ltd.](https://appshunter.io/developer/1870181206) |

## What reviewers say

### OmceanBooking

[App page](https://appshunter.io/ios/app/omceanbooking/id1484789450)

Easily book fitness classes and manage your schedule. Discover studios, make reservations, and communicate directly with them. Receive reminders for upcoming sessions and access all necessary information in one place.

**Highlights:** Discover studios with pictures and reviews, Make reservations anytime, anywhere, Track your visits and schedule, Instant messaging with studios, Class reminders and important information

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

**In-app purchases:** none


### Slumber Copilot

[App page](https://appshunter.io/ios/app/slumber-copilot-sleep-diary/id6757998260)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP Membership | $3.99 | per month |
| Yearly VIP Membership | $29.99 | per year |


## Frequently asked questions

### Is OmceanBooking free?

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

### Is Slumber Copilot free?

Slumber Copilot is free to download, with in-app purchases available.

### Do OmceanBooking or Slumber Copilot have ads?

Neither OmceanBooking nor Slumber Copilot shows ads.

### Which is updated more often, OmceanBooking or Slumber Copilot?

OmceanBooking ships an update monthly, and Slumber Copilot every 3 months. Most recently, OmceanBooking was updated on October 24, 2026 and Slumber Copilot on September 26, 2026.

---

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