# Zensoft Timeclock vs SailorSoft Draft Survey Pro

The clearest difference is in-app purchases: Zensoft Timeclock at none against SailorSoft Draft Survey Pro's 1. Zensoft Timeclock also leads on iOS requirement (9.0 vs 15.1). SailorSoft Draft Survey Pro's advantage is update cadence (weekly vs every 18 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. Zensoft Timeclock asks for nothing beyond the download.

Zensoft Timeclock ships an update every 18 months, SailorSoft Draft Survey Pro weekly. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Zensoft Timeclock | 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 18 months | **Weekly** |
| Monetization | — | Free |
| Size | 22 MB | 122 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kenneth Sytian](https://appshunter.io/developer/1288409642) | [MEDARDO JR BAJE](https://appshunter.io/developer/1887315859) |

## What reviewers say

### Zensoft Timeclock

[App page](https://appshunter.io/ios/app/zensoft-timeclock/id1308799904)

**Features:** macOS Compatibility

**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 Zensoft Timeclock free?

Zensoft Timeclock 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 Zensoft Timeclock or SailorSoft Draft Survey Pro have ads?

Neither Zensoft Timeclock nor SailorSoft Draft Survey Pro shows ads.

### Which is updated more often, Zensoft Timeclock or SailorSoft Draft Survey Pro?

Zensoft Timeclock ships an update every 18 months, and SailorSoft Draft Survey Pro weekly. Most recently, Zensoft Timeclock was updated on October 6, 2026 and SailorSoft Draft Survey Pro on October 24, 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.*