# LSD Scuba vs AI Quotation Service

The clearest difference is review sentiment: AI Quotation Service at 100% against LSD Scuba's 50%. AI Quotation Service also leads on update cadence (every 5 days vs every 15 months). LSD Scuba's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. AI Quotation Service sells 1 in-app purchase, starting at $5.99 per month. LSD Scuba asks for nothing beyond the download.

LSD Scuba ships an update every 15 months, AI Quotation Service every 5 days. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | LSD Scuba | AI Quotation Service |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-quotation-service/id6755412476/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 15 months | **Every 5 days** |
| Monetization | **Ad-supported** | Freemium |
| Size | 22 MB | 35 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [London School of diving](https://appshunter.io/developer/561889154) | [Lombard Vo](https://appshunter.io/developer/1827621628) |

## What reviewers say

### LSD Scuba

[App page](https://appshunter.io/ios/app/lsd-scuba/id561889151)

This app offers consultancy services for establishing and operating scuba diving schools. It provides advice on PADI affiliation, IT systems, dive professional training, new dive site identification, marketing, and setting up scuba clubs.

**Highlights:** Scuba diving school establishment advice, PADI affiliation guidance, IT systems consultancy, Dive professional training, New dive site identification, Marketing consultancy, Scuba club setup advice

**In-app purchases:** none


### AI Quotation Service

[App page](https://appshunter.io/ios/app/ai-quotation-service/id6755412476)

Generate professional and beautifully formatted quotations quickly and accurately. This tool is ideal for freelancers, small businesses, and online sellers needing fast quotation documents.

**Highlights:** Instant quote generation, Professional formatting, Suitable for various industries, Accessible anywhere, anytime, Designed for freelancers and small businesses

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $5.99 | per month |


## Frequently asked questions

### Is LSD Scuba free?

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

### Is AI Quotation Service free?

AI Quotation Service is free to download, with in-app purchases available.

### Do LSD Scuba or AI Quotation Service have ads?

Both LSD Scuba and AI Quotation Service show ads.

### Which is updated more often, LSD Scuba or AI Quotation Service?

LSD Scuba ships an update every 15 months, and AI Quotation Service every 5 days. Most recently, LSD Scuba was updated on October 23, 2026 and AI Quotation Service on October 22, 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.*