# Mares App vs Bubble Deco

The clearest difference is price: Mares App at Free against Bubble Deco's $4.99. Bubble Deco's advantage is in-app purchases (none vs 8) and update cadence (weekly vs every 4 weeks). On ads, device support and iOS requirement there is nothing between them.

Mares App is free to download; Bubble Deco costs $4.99 up front. Mares App sells 8 in-app purchases, starting at $2.99 per month. Bubble Deco asks for nothing beyond the download.

Mares App ships an update every 4 weeks, Bubble Deco weekly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Mares App | Bubble Deco |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.5 (190 ratings)](https://appshunter.io/ios/app/mares-app/id1625641063/reviews)** | — |
| Number of ratings | **190** | — |
| Positive reviews | 48.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 203 MB | 60 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Head Watersports S.p.A.](https://appshunter.io/developer/1193522423) | [IceBubble Ltd](https://appshunter.io/developer/1453851434) |

## What reviewers say

### Mares App

[App page](https://appshunter.io/ios/app/mares-app/id1625641063)

Transform your Apple Watch Ultra into a dive computer, recording dives directly on your wrist. Log scuba, freediving, and technical dives, manage dive sites, and track underwater wildlife sightings. Share your adventures with dive buddies and keep your equipment details organized.

**Highlights:** Apple Watch Ultra dive computer integration, Digital dive logbook, Dive site database and management, Underwater wildlife tracking, Dive buddy sharing, Dive equipment management, Firmware updates

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snorkel Only | $2.99 | per month |
| Full Featured Month (Housing Only) | $6.99 | per month |
| Full Featured Month (Ultra Only) | $6.99 | per month |
| MARES Fully Featured Monthly | $8.99 | per month |
| Full Featured Yearly (Housing Only) | $49.99 | per year |
| Full Featured Yearly (Ultra Only) | $49.99 | per year |
| MARES Fully Featured Yearly | $69.99 | per year |
| MARES Fully Featured Yearly Family | $119.99 | per year |


### Bubble Deco

[App page](https://appshunter.io/ios/app/bubble-deco-dive-planner/id6778112134)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mares App free?

Mares App is free to download, with in-app purchases available.

### Is Bubble Deco free?

Bubble Deco costs $4.99, with no in-app purchases.

### Do Mares App or Bubble Deco have ads?

Neither Mares App nor Bubble Deco shows ads.

### Which is updated more often, Mares App or Bubble Deco?

Mares App ships an update every 4 weeks, and Bubble Deco weekly. Most recently, Mares App was updated on October 30, 2026 and Bubble Deco on October 24, 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.*