# DeeperBlue.com vs FD Static Trainer

The clearest difference is update cadence: FD Static Trainer at every 4 days against DeeperBlue.com's every 3 months. FD Static Trainer also leads on rating (5.0 vs 4.8). DeeperBlue.com's advantage is ratings volume (61 vs 2) and iOS requirement (11.0 vs 17.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

FD Static Trainer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: DeeperBlue.com has 61 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

DeeperBlue.com ships an update every 3 months, FD Static Trainer every 4 days. The most recent releases landed on September 20, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | DeeperBlue.com | FD Static Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (61 ratings)](https://appshunter.io/ios/app/deeperbluecom/id894987002/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fd-static-trainer/id1498886666/reviews)** |
| Number of ratings | **61** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 34 MB | 1 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [DeeperBlue.com](https://appshunter.io/developer/1345475661) | [Andreas Horvath](https://appshunter.io/developer/1484572340) |

## What reviewers say

### DeeperBlue.com

[App page](https://appshunter.io/ios/app/deeperbluecom/id894987002)

Stay informed about freediving, scuba diving, ocean advocacy, and diving travel with daily news, in-depth articles, and unbiased reviews. Access ultimate guides, watch videos, and engage with a passionate community.

**Highlights:** Daily diving journalism, Live news notifications, In-depth feature articles, Ultimate diving guides, Video of the Week, Community comments and sharing, Searchable archives

**Features:** macOS Compatibility

**In-app purchases:** none


### FD Static Trainer

[App page](https://appshunter.io/ios/app/fd-static-trainer/id1498886666)

Prepare for freediving training sessions with guided breathing and breath-hold exercises. Customize preparation, breathhold, and recovery times for effective O2 or CO2 tolerance training.

**Highlights:** Customizable preparation time, Adjustable breathhold duration, Configurable recovery intervals, O2 training mode, CO2 tolerance training mode, Multiple training rounds

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DeeperBlue.com free?

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

### Is FD Static Trainer free?

FD Static Trainer is free to download, with no in-app purchases.

### Which has better reviews, DeeperBlue.com or FD Static Trainer?

FD Static Trainer is rated higher. DeeperBlue.com averages 4.8 out of 5 from 61 ratings, while FD Static Trainer averages 5.0 from 2 ratings.

### Do DeeperBlue.com or FD Static Trainer have ads?

Neither DeeperBlue.com nor FD Static Trainer shows ads.

### Which is updated more often, DeeperBlue.com or FD Static Trainer?

DeeperBlue.com ships an update every 3 months, and FD Static Trainer every 4 days. Most recently, DeeperBlue.com was updated on September 20, 2026 and FD Static Trainer on October 1, 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.*