# Ionic LMS vs SailorSoft Draft Survey Pro

The clearest difference is in-app purchases: Ionic LMS at none against SailorSoft Draft Survey Pro's 1. Ionic LMS also leads on iOS requirement (12.0 vs 15.1). SailorSoft Draft Survey Pro's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. SailorSoft Draft Survey Pro sells 1 one-off in-app purchase. Ionic LMS asks for nothing beyond the download.

Ionic LMS ships an update every 3 months, SailorSoft Draft Survey Pro weekly. The most recent releases landed on September 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Ionic LMS | SailorSoft Draft Survey Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sailorsoft-draft-survey-pro/id6761015662/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 71 MB | 122 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Mathreex LLC](https://appshunter.io/developer/1690604041) | [MEDARDO JR BAJE](https://appshunter.io/developer/1887315859) |

## What reviewers say

### Ionic LMS

[App page](https://appshunter.io/ios/app/ionic-lms/id6453161485)

**In-app purchases:** none


### SailorSoft Draft Survey Pro

[App page](https://appshunter.io/ios/app/sailorsoft-draft-survey-pro/id6761015662)

This application assists marine professionals with offline cargo calculations. It provides essential tools for draft surveys, helping to determine vessel displacement and cargo weight accurately. Designed for efficiency at sea, it ensures reliable data processing without internet access.

**Highlights:** Offline cargo calculations, Draft survey assistance, Vessel displacement determination, Cargo weight calculation, Reliable data processing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime Access | $39.99 | one-time |


## Frequently asked questions

### Is Ionic LMS free?

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

### Is SailorSoft Draft Survey Pro free?

SailorSoft Draft Survey Pro is free to download, with in-app purchases available.

### Do Ionic LMS or SailorSoft Draft Survey Pro have ads?

Neither Ionic LMS nor SailorSoft Draft Survey Pro shows ads.

### Which is updated more often, Ionic LMS or SailorSoft Draft Survey Pro?

Ionic LMS ships an update every 3 months, and SailorSoft Draft Survey Pro weekly. Most recently, Ionic LMS was updated on September 7, 2026 and SailorSoft Draft Survey Pro on September 23, 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.*