# Freediving.studio vs NNERB Staff

The clearest difference is in-app purchases: NNERB Staff at none against Freediving.studio's 2. NNERB Staff also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Freediving.studio sells 2 in-app purchases, starting at $3.99 per month. NNERB Staff asks for nothing beyond the download.

Freediving.studio ships an update every 5 days, NNERB Staff every 3 days. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Freediving.studio | NNERB Staff |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 17 MB | 25 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pixelated Limited](https://appshunter.io/developer/1347877164) | [Activate Sports Management Ltd](https://appshunter.io/developer/6806691290) |

## What reviewers say

### Freediving.studio

[App page](https://appshunter.io/ios/app/freedivingstudio/id6789326438)

Log and analyze your freediving sessions with detailed metrics like depth, speed, and heart rate. Track personal bests, train with guided breath-holds, and overlay dive stats onto your videos. This tool helps you understand your performance and progress safely.

**Highlights:** Import dive data from smartwatches, Detailed dive metric analysis, Personal best and progress tracking, Guided breath-hold training, Video overlay with dive stats, Organized logbook with notes and sites

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $3.99 | per month |
| All PRO features — 12 months for 10 | $39.99 | per year |


### NNERB Staff

[App page](https://appshunter.io/ios/app/nnerb-staff/id6806692612)

**In-app purchases:** none


## Frequently asked questions

### Is Freediving.studio free?

Freediving.studio is free to download, with in-app purchases available.

### Is NNERB Staff free?

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

### Do Freediving.studio or NNERB Staff have ads?

Neither Freediving.studio nor NNERB Staff shows ads.

### Which is updated more often, Freediving.studio or NNERB Staff?

Freediving.studio ships an update every 5 days, and NNERB Staff every 3 days. Most recently, Freediving.studio was updated on October 6, 2026 and NNERB Staff on October 15, 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.*