# MaxOpDepth vs Blue Infinity Freediving Watch

The clearest difference is in-app purchases: MaxOpDepth at none against Blue Infinity Freediving Watch's 3. MaxOpDepth also leads on device support (4 vs 2) and iOS requirement (13.0 vs 17.0). Blue Infinity Freediving Watch's advantage is update cadence (monthly vs every 16 months). On price and ads there is nothing between them.

Both are free to download. Blue Infinity Freediving Watch sells 3 in-app purchases, starting at $3.99 per month. MaxOpDepth asks for nothing beyond the download.

MaxOpDepth ships an update every 16 months, Blue Infinity Freediving Watch monthly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MaxOpDepth | Blue Infinity Freediving Watch |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 19 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jason Klug-Horsnell](https://appshunter.io/developer/1178078495) | [James Mansfield](https://appshunter.io/developer/1126367894) |

## What reviewers say

### MaxOpDepth

[App page](https://appshunter.io/ios/app/maxopdepth/id1178078496)

**Features:** macOS Compatibility

**In-app purchases:** none


### Blue Infinity Freediving Watch

[App page](https://appshunter.io/ios/app/blue-infinity-freediving-watch/id6738265239)

Track your snorkeling, freediving, and spearfishing sessions with real-time depth, duration, and heart rate data. Review your dive history, routes, and detailed metrics on a companion app.

**Highlights:** Real-time depth and duration, Heart rate and water temperature, Location tracking, Dive session history, Dive route on map, Depth over time chart

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Annual | $24.99 | per year |
| Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is MaxOpDepth free?

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

### Is Blue Infinity Freediving Watch free?

Blue Infinity Freediving Watch is free to download, with in-app purchases available.

### Do MaxOpDepth or Blue Infinity Freediving Watch have ads?

Neither MaxOpDepth nor Blue Infinity Freediving Watch shows ads.

### Which is updated more often, MaxOpDepth or Blue Infinity Freediving Watch?

MaxOpDepth ships an update every 16 months, and Blue Infinity Freediving Watch monthly. Most recently, MaxOpDepth was updated on October 26, 2026 and Blue Infinity Freediving Watch on October 28, 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.*