# HullTec vs Scuba Diving

The clearest difference is in-app purchases: HullTec at none against Scuba Diving's 5. HullTec also leads on update cadence (every 3 months vs every 9 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Scuba Diving sells 4 in-app purchases, starting at $4.99 per month. HullTec asks for nothing beyond the download.

HullTec ships an update every 3 months, Scuba Diving every 9 months. The most recent releases landed on September 15, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | HullTec | Scuba Diving |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scuba-diving-dive-pros/id6535681866/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | — | Free with in-app purchases |
| Size | 47 MB | 11 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mark Edge](https://appshunter.io/developer/1659014900) | [Andrew Austin](https://appshunter.io/developer/1708589155) |

## What reviewers say

### HullTec

[App page](https://appshunter.io/ios/app/hulltec/id1659014898)

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

**In-app purchases:** none


### Scuba Diving

[App page](https://appshunter.io/ios/app/scuba-diving-dive-pros/id6535681866)

This app helps individual dive professionals manage their businesses efficiently. It streamlines operations by offering tools for goal and student management, invoicing, revenue tracking, and tax preparation. Stay organized and focus on teaching with this all-in-one solution.

**Highlights:** Goal management and tracking, Student information and certification management, Invoice generation and management, Revenue stream monitoring, Email list creation for marketing, Data export for analysis, Tax management and estimation, Dive shop management

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $9.99 | per year |
| Lifetime Access Free | Free | one-time |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is HullTec free?

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

### Is Scuba Diving free?

Scuba Diving is free to download, with in-app purchases available.

### Do HullTec or Scuba Diving have ads?

Neither HullTec nor Scuba Diving shows ads.

### Which is updated more often, HullTec or Scuba Diving?

HullTec ships an update every 3 months, and Scuba Diving every 9 months. Most recently, HullTec was updated on September 15, 2026 and Scuba Diving on August 18, 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.*