# BSAC Member vs Dive Shearwater

The clearest difference is update cadence: BSAC Member at every 10 days against Dive Shearwater's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

BSAC Member ships an update every 10 days, Dive Shearwater every 4 weeks. The most recent releases landed on October 27, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | BSAC Member | Dive Shearwater |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 9.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 4 weeks |
| Monetization | — | Free |
| Size | 49 MB | 107 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [BSAC Japan](https://appshunter.io/developer/1605902011) | [Shearwater Research](https://appshunter.io/developer/1164234361) |

## What reviewers say

### BSAC Member

[App page](https://appshunter.io/ios/app/bsac-member/id6473789042)

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

**In-app purchases:** none


### Dive Shearwater

[App page](https://appshunter.io/ios/app/dive-shearwater/id6751863035)

This app helps divers log their underwater adventures with an intuitive interface. Track dive sites with interactive maps and automatically capture coordinates. It provides a streamlined experience for organizing dive history and planning future dives.

**Highlights:** Interactive dive maps, Automatic dive site coordinate capture, Streamlined user experience, Organized dive history, Gear setup refinement, Future dive planning tools

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

**In-app purchases:** none


## Frequently asked questions

### Is BSAC Member free?

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

### Is Dive Shearwater free?

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

### Do BSAC Member or Dive Shearwater have ads?

Neither BSAC Member nor Dive Shearwater shows ads.

### Which is updated more often, BSAC Member or Dive Shearwater?

BSAC Member ships an update every 10 days, and Dive Shearwater every 4 weeks. Most recently, BSAC Member was updated on October 27, 2026 and Dive Shearwater on November 8, 2026.

---

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